Name: Prof. Caleb Mireri
Department/Unit/Section: Spatial & Environmental Planning
Contact Address: P.O. Box 43844-00100 Nairobi
Position: Associate Proffesor
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Conferences/seminars/workshops

Participation/attendance of conferences/workshops

  •  Attended the 3rd Symposium on Climate Change Adaptation in Africa “Strengthening the capacity of African countries to handle the challenges of a changing environment”, 23rd – 24th January 2020 at the University of Nairobi
  •  Presented a paper titled “The role of sport in achieving the Sustainable Development Goals”, during World Under 18 Athletics Championships Pre-games International Symposium – “Enhancing Youth Sports for Good Health & Well – being”, held at Kenyatta University, 10 – 11 July 2017, organized by Kenyatta University.
  •  Presented a paper (jointly with Prof. Vincent Onywera) titled “Spatial configuration, attractiveness and physical activity in Nairobi County, Kenya”, during the 2nd International Conference on Physical Activity and Sports for Health and Development in Africa, 21st – 23rd September, 2016
  •  Presented a paper (jointly with Prof. Vincent Onywera) titled “The interplay between policy and institutional framework on public open spaces and active transport in Kenya”, during the 2nd International Conference on Physical Activity and Sports for Health and Development in Africa, 21st – 23rd September, 2016
  • Attended Climate Impacts Research Capacity Leadership Enhancement (CIRCLE) for supervisors and mentors Workshop, help at Africa Academy of Sciences, Nairobi, 17 – 19 May, 2017, organized by CIRCLE & African Academy of Sciences
  •  Attended “Impact Evaluation Research Workshop”, Nairobi Kenya, May 5 – 8, 2016, organized by APHRC & World Bank. 7. Attended “East African Scholars Initiative" meeting, organized by National Socio-Environmental Synthesis Center (SESYNC) in Annapolis, Maryland University, USA, November 9-13, 2015 8. Attended a national conference on ““Urbanization and Planning in the context of Devolved Governance systems in Kenya” organized by Kenya Institute of Planners 2nd – 5th December 2015, Machakos, Kenya
  •  Attended a national conference on “Second Conference on Planning Under Devolved System of Government in Kenya”, held in Kisumu City, 27 – 28 November, 2013.
  • Attended National Urban Development Policy Conference in Naivasha Municipality, November 2013.
  • Attended International Conference on and jointly presented (Dr. Vincent Onywera) a paper titled “Non – communicable disease prevention in Africa: Challenges & opportunities for increasing physical activity levels and active transport in Kenya”, during 13th World Congress on Public Health ‘Moving towards Global Health Equity: Opportunities Threats”, 23 – 27 April, 2012, in Addis Ababa, Ethiopia, organized by IDRC.
  • Attended a Regional Consultation Meeting on the Development of the Global Climate Change Adaptation Network in Africa, January 19 - 20, 2009, organized by UNEP, UN Complex, Nairobi, Kenya.
  • Attended a MESA International Conference on Environment, Development and Climate Change: Universities Responding, held on 24 – 28.08, in Nairobi, organised by UNEP.
  •  Attended a workshop on Access to Useful Services Workshop, held in Nakuru Municipality, organised by Practical Action. November 28, 2008.
  • Attended a scientific workshop on Strengthening Scientific Output – Socio-economic Instruments and PROACT, organised by Partnership for Research on Viable Environmental Infrastructure, at Arusha, Tanzania, 6 – 8.10.2008
  • Attended a National Workshop on Integrated Approaches to Urban Development, Nairobi. 7-8 December 2005 organised by Intermediate Technology Development Group.
  •  Attended a workshop on Reinvigorating University Mandate in a Globalising World: Challenges, Obstacles and the way forward, 26-27.05.2005, at Kenyatta University, organised by German Academic Exchange Service and Kenya DAAD Scholars Association
  • Attended regional workshop on Lake Victoria Research Initiative, 18.05 - 19.05.2005, at Arusha Tanzania, organised by Inter-University Council for East Africa
  • A resource person during an Integrated Environmental Management Workshop - Sensitisation of Policy Maker and Chief Officers of Nakuru Municipality, May 2005 at Naivasha, organised by Intermediate Technology Development Group.
  • Attended a Stakeholder Workshop on Nairobi Urban Transport Study, Nairobi (September 2004).
  • Attended a Regional Workshop on Environmental Impact Assessment Guidelines on Shared Ecosystems of East Africa, Arusha Tanzania – August 2004.
  • Attended a workshop on State of Environment Report for Kenya, organized by National Environment Management Authority (in Embu - 2003).
  • Attended a workshop on Land Use Regulations, Guidelines and Standards for Environmental Management and Co-ordination Act – 1999, organized by National Environmental Management Authority (in Nakuru - May 2003 and in Nyeri - September 2003).
  • Attended a workshop on Developing a Strategy for Environmental Education for Sustainability in Kenya, jointly organised by National Environmental Management Authority and Kenya Organisation for Environmental Education, July 2003.
  • Attended Urban Rivers Symposium in Nairobi on Sustainable Environmental Planning and Management of Urban Rivers, organized by United Nations Environmental Programme, May 2003.
  • During an International Workshop on Urban Policy Implications on Enhancing Food Security in African Cities (May 27-31, 2002 in Nairobi) I presented two papers: 1. The Implications of Urban Planning & Management on Urban Agriculture in Kenya and 2. Credit & Investment in Urban Agriculture in Kenya.
  • A facilitator during the Seventh Africa Training Course on Local and Regional Development Planning and Management (October/November 2001) organised by the United Nations Centre for Regional Development, Africa Office.
  • A facilitator during the Sixth Africa Training Course on Local and Regional Development Planning and Management (October/November 2000) organised by the United Nations Centre for Regional Development, Africa Office.

Presentation of papers at academic and professional conferences

  • Co-presented a paper titled ‘Non – communicable disease prevention in Africa: challenges and opportunities for increasing physical activity levels and active transport in Kenya’, during 13th World Congress on Public Health: Towards Global Health Equity: opportunities and threats, 23 – 27.05.2012, Addis Ababa Ethiopia. 2. Presented a paper titled ‘Challenges and Possibilities of Ecologically
  • Conscious Technologies in Africa: A Case of Kenyan Environmental Governance’, during a Symposium and Peace Building, Hekima College, Nairobi, March 5 – 7, 2012.
  • Presented two papers jointly with my postgraduate students (Assessment of the opportunities and challenges of infrastructure and service delivery in Kianda area, Kibera Slum Settlements, Nairobi. (Mwikali & Waswa) and Assessment of the Effects of Habitat Transformation on the Nairobi National Park and Kitengela Ecosystem (Wanja and Waswa) during the National Environment Conference on Conserving and Managing the Environment for Sustainable Livelihoods, held on 19-21 May 2008 at Kenyatta University
  •  Presented a paper titled ‘Climate Change Adaptations among selected rural communities in the freshwater ecosystems in East Africa’ during the African Climate Change Fellowship Program round 1 culmination Conference, 8 – 10 December, 2010, held at Le Meridien President, Dakar, Senegal.
  • Presented a paper titled Socio-economic Impact of Community Based Wildlife Conservation in Samburu District, Kenya, during a Scientific Workshop on Sustainable Natural Resource Management, held in Naivasha, organised by National Centre for Competence in Research North – South Programme hosted by CETRAD, (15 – 16.12.08)
  •  Presented a paper titled ‘Development of Environmental Protection Concepts’ during Fifth training course on Industrial Waste Water Management for Agro-based and allied Industries and Local Authorities, held in Kisumu Municipality, organised by Osianala, May 25 – June 06, 2008.
  • Presented a paper titled ‘The Potential Impacts of Human Settlement on Groundwater Quality: A case study of Kisumu Municipality, Kenya, during a Summer School on Groundwater Quality & Rural Water Supply. Organised by Siegen University, Germany, September 03 – 15.2007
  • Presented a research paper on Socio – economic Impact of Wildlife Conservation during a Regional Workshop on Dryland Ecosystems: Challenges and Opportunities for Sustainable Natural Resource Management, (Arusha Tanzania, June 2006).
  • Attended a two-weeks training on Topics of Integrated Watershed Management at Siegen University, Germany (12.04 - 24.04.2005. During the training a presented a paper titled Challenges Facing the Conservation of Lake Naivasha, Kenya.
  •  Presented a paper titled “ Environmental Planning and Environmental Impact Assessment” during the 12th Africa Training Course on Local & Regional Planning, (February 22, 2007), Juja, organised by United Nations Centre for Regional Development
  •  Presented a paper titled “Emerging Issues on Sanitation and Solid Waste Management in East Africa, during a workshop on Partnership for Research on Viable Environmental Infrastructure in East Africa at Wageningen University, Netherlands November 30th /December 12, 2006
  • Presented a paper titled Land and Water User Conflicts, Population Structure and Growth in the Bwathonar Watershed Nyambene Hills, Meru North District, Kenya during the ‘2006 Meru Summer School on Integrated Watershed Management’, July 2006
  • Presented a paper titled Theoretical and Empirical Dilemma of Industrialisation during 2005 Jomo Kenyatta University of Agriculture and Technology Scientific, Technological and Industrialisation Conference at JKUAT, Nairobi, 27-28.10.2005.
  • Presented a paper on ‘The Nexus between Spatial Planning and Desaster Management’ during an International Workshop on Disaster Management at Makerere University, Uganda, September 12-13, 2005. Organised by Makerere University.
  • I presented a paper titled ‘The Impact of Export Processing Zones on Industrial Development in Kenya’ during the Association of Third World Studies Kenya Chapter Conference between 17th and 19th September 2001 at Egerton University.

Convening and coordination of workshops/Conferences

  • Co-Chairman of Kenya Urban Forum Conference Preparation Committee, held in Lake Naivasha Resort, Naivasha Municipality June 13 – 16, 2023
  • Co – Chairman of the preparatory committee on National Conference on Solar Electronic Waste in Kenya, September 14, 2023, La Mada Hotel, Nairobi
  • Participated in the organisation of National Environment Conference on Conserving and Managing the Environment for Sustainable Livelihoods, held on 19-21 May 2008 at Kenyatta University
  • Organised an international workshop on Partnership for Research on Viable Infrastructure Development in East Africa (involving Kenyatta University, Wageningen University, Makerere University and Ardhi University, held in Sunset Hotel Kisumu, 21 – 23, Nov 2007.
  • Organised a Stakeholder Workshop on the Africa Network for Ecological Modernisation of Urban, Nairobi, September 2004, AVU Hall, Kenyatta University.

Research and publications

Articles in refereed journals – international journals

  • Co – author (Oduho, R. A., Vikiru , G., & Mireri , C) Assessing the sustainability content in Kenya’s interior design curricula.Journal of Pedagogy and Curriculum (JPC), 1(1), 1–13. https://doi.org/10.51317/jpc.v1i1.237, 2022
  • Co – author (Oduho, R. A., Vikiru, G., & Mireri, C.) Users’ awareness and perceptions of green building in Kenya.Journal of Environmental Sciences and Technology (JEST), 1(1), 28–36. https://doi.org/10.51317/jest.v1i1.232, 2022
  • Co-author (Gordon Ocholla & Sammy Letema) “Socioeconomic determinants of water delivery satisfaction in a medium sub-Saharan Africa city: A case of Kisumu, Kenya”. Water Supply Vol 22 No 12, 8682 doi: 10.2166/ws.2022.388
  • Co – author (Mugendi D. & Muraya, M) “Review of environmental governance in oil and gas exploration fields in Kenya: analysis of constitutional, environmental policy, legal institutional framework and management practices in South Lokichar Basin, Turkana County”. J. Environmental Policy and Decision Making, Vol. 3, No. 2, 2022, 97.
  • Author of a scientific article titled ‘Environmental and Public Health Risk of Urban Agriculture in Kisumu City, Kenya’. African Journal of Food, Agriculture, Nutrition and Development, Vol. 22 No 1. pp 19045 – 19087, 2022
  •  Co – author (Stella K. Mbiti, M. Makworo) “Level of Participation in Urban Parks within Nairobi City County, Kenya”. Africa Habitat Review Journal. Volume 14, 1; pp 1711 – 1717; 2020
  •  Co – author (Stella K. Mbiti, M. Makworo) “Factors Influencing Diversity in Urban Park Utilization in Nairobi City County, Kenya”. Africa Habitat Review Journal. Volume 14, 1; 2020; pp 1765 - 1772
  •  Co-author (Dr. Paul Aloyo,Dr. Solomon Mwaniki, Dr. Peter Kamau and Dr. Dennis Karanja) “Mainstreaming the School Physical Environment in Learning Institutions: The Case of Secondary Schools in Nairobi County, Kenya” International Journal of Current Research. Vol. 12, 05, pp.11674-11683, 2020
  •  Co – author (David Mugengi, Jacob Kibwage) “Assessment of heavy metals concentration in mud cuttings of reserve pit 7 in Twiga 1 well pad South Lokichar Basin relative to acceptable levels in drinking water”. Journal of Biodiversity and environmental sciences. Vol 15, 1. pp 87 – 94, 2019
  • Co-author (Adoyo Laji, Fatuma Daudi, Jeremiah Ayonga) “The Dual Pathways in the Process of Urban Development and their influence on Flood Damage in Kisumu City, Kenya” International Journal of Scientific and Research Publications. Volume 7, 10, 2017.
  •  Co – author (Paul Muthee Kanyi, Dr.P.K Kamau) Assessment of the security preparedness and adherence to international civil aviation standards at Wilson Airport, Kenya. Journal of Humanities and Social Science. Volume 21, Issue 6, Ver. 3 (June. 2016) PP 23-41.
  • Co – author (Dr C. Majale) Cooperation among small urban centres in the Lake Victoria Basin as a necessary strategy for managing solid waste: the case of Kisii, Homa Bay and Migori municipalities. Int. J. Environment and Waste Management. Vol. 13, No. 4, 2014; pp. 412 – 428
  • Author of a scientific article “Assessment of the Contribution of Urban agriculture to employment, income and food security in Kenya: A case of Kisumu Municipality”. African Journal of Agricultural Research. Vol 8(23), pp. 2884 – 2896, 2013
  •  Co – author (Paul Matikua, Ogol Callistus) “The Impact of Participatory Forest Management on Local Community Livelihoods in the Arabuko‑Sokoke Forest, Kenya”. Conservation and Society. 11(2): 112-129, 2013
  •  Co – author (M. Makworo, B. O. Moirongo) “The effect of spatial planning patter on distribution of pebestrians in public places of residential neighbourhoods in Nairobi City. JAGST. Vol. 15(1) 2013
  • Co – author of a scientific article (Matiku Paul, Ogol Callistus) “Does participatory forest management change household attitudes towards forest conservation and management?” African Journal of Environmental Science and Technology. Vol. 6(5), pp. 237-346, 2012
  • Co-author (Ocholla, G.O., Koske, J., Asoka ,G. W., Bunyasi. M.M., Pacha, O. Omondi, S. & Mireri, C.) of a scientific article titled ‘Assessment of Traditional Methods Used by the Samburu Pastoral Community in Human Wildlife Conflict Management’, International Journal of Humanities and Social Science Vol. 3 No. 11; June 2013
  • Co-author “Is participatory forest management (PFM) an asset or liability to local community households adjacent to Arabuko Sokoke Forest, Kenya?”, Journal of African Studies and Development, Vol.4(3), pp 96-104, April 2012
  • Co – author of a scientific article titled “Participatory Natural Resource Management: Policy and Institutional Framework” (Part II), Environmental Policy and Law, The Journal of Decision – Makers, 41/6 (2011), pp 292 – 298;
  • Co – author of a scientific article titled “Participatory Natural Resources Management: policy and institutional framework”, (Part I), Environmental Policy and Law, The Journal of Decision – Makers, 41/4 – 5 (2011), 232 – 239;
  • Co – author of a scientific article titled “The impact of participatory forest management on forest integrity and biodiversity in Arabuko-Sokoke forest, Kenya”, African Journal of Ecology, pp 184 -192, 2011;
  •  Corresponding author of a scientific article titled ‘Public Open Spaces in Nairobi City - Kenya under Threat’, Journal of Environmental Planning & Management, 2011, Vol. 54, No. 8 pp 1107-1125;
  • Corresponding author of a scientific article titled “The Socio – economic Impacts of Community – based Wildlife Conservation in Samburu District, Kenya”, Hekima Journal of the humanities and social sciences, Vol. V, Number 1, 2011, pp 80 – 94;
  • Corresponding author of a scientific article titled “The Liberalisation of State – led Agriculture and its Implication on Rice Production and Growth of Wang’uru Town, Kenya”. Vol. 1, No. 2010;
  • Lead author of a scientific article titled “Environmental Risks of Urban Agriculture in the Lake Victoria Drainage Basin: A case of Kisumu Municipality”. Habitat International Journal, 2007, Vol. 31/3-4 pp 375-386.
  • Author of a scientific article titled ‘Private Investment in Urban Agriculture in Nairobi City, Kenya’. Urban Agriculture Magazine No 7, 2002. www.ruaf.org.
  • Author of a scientific article titled, “The Impact of Export Processing Zone Development on Employment Creation in Kenya”, Singapore Journal of Tropical Geography, Vol 21 No. 2, 2000.

Chapters in books

  • Co – author of a scientific article (Mireri, C. & Letema, S.) titled ‘Review of Environmental Governance in Kenya: Analysis of Environmental Policy and Institutional Frameworks’ in African Political Economic and Security Issues: Kenya Political, Social and Environmental Issues, pp 153-165, New York: Nova Publishers. 2013
  • Co – author of a scientific article (Mireri, C. & Letema, S.) titled ‘Review of Environmental Governance in Kenya: Analysis of Environmental Policy and Institutional Frameworks’ in Handbook of Environmental Policy, pp 371 – 380, ISBN No. 978 – 60741 – 635 - 7, Nova Science Publishers, (novapublishers.com) 2010
  • Author of (book chapter) titled ‘Irrigated Urban Agriculture in Kisumu Municipality, Kenya: Opportunities and Challenges’ in Agricultural Irrigation Research Progress. Eds Alonso, D. & Iglesias, H.J. Nova Science Publishers, 2008. ISBN 978-1-60456-579-9.
  • Author of a scientific article titledChallenges Facing the Conservation of Lake Naivasha, Kenya’. Weiterbildung Siegen, No 18 Vol. 3, Research Institute for Water & Environment, University of Siegen, Germany. DAAD Alumni Summer School 2005, Topics on Integrated Watershed Management.
  • Lead author of a scientific article (Mireri, C., Letema, S. & Majale, C.) (book chapter) Water and Sanitation Service Delivery in Kenya in Environment & Sustainable Development: A guide for Higher Education in Kenya Vol II, 2007. Eds. – Waswa, F., Otor, S., Olukoye, D., and Mugendi D., pp 275 – 295. Downtown Printing Works: Nairobi. ISBN: 9966-776-34-6.
  • Author of a scientific article, book chapter - Urbanisation Challenges in Kenya in a book ‘Environment & Sustainable Development in Kenya. Nairobi Downtown Printing Works, 2006 ISBN No. 9966-776-02-8
  • Author of a book titled, “Trends and Instruments of Industrial Development in Kenya” in May 2000, ISBN 3-8265-7496-6, Shaker Verlag, Aachen.

Publications in Conference Proceeding

  • Corresponding author of a paper (Mwele, E., Mireri, C. Oguge, N.) titled Socio – economic Impact of Wildlife Conservation in Samburu District, Kenya, in conference Proceeding on Drylands Ecosystems: Challenges and Opportunities for Sustainable Natural Resource Management. Dar es Salaam: Research Programme on Sustainable Use of Drylands Bio – Diversity. ISBN: 9987-9034-2-8
  •  Author of a paper titled Theoretical and Empirical Dilemma of Industrialisation in ‘Leveraging Indigenous Products and Technologies through Research for Industrialisation and Development. Jomo Kenyatta University of Agriculture and Technology, 2006. ISBN No. 9966-923-28-4.

Networking and Collaboration with External Organizations

  • Partnership for Research on Viable Environmental Infrastructure in East Africa ( 4 year research collaboration between Kenyatta, Makerere, Dar es Salaam and Waginengen universities
  • Victoria Research Initiative (Inter – University Council of East Africa, Researcher on Land Use Management for Sustainable Livelihood and Poverty Alleviation in the Lake Victoria Drainage Basin
  • Earthwatch Institute where two students received research funds

Projects/Research Grants

  • Researcher -DSCA (Support mechanism for collaboration with sub-Saharan Africa) DSCA (Dispositif de soutien aux collaborations avec l’Afrique sub-saharienne), Kenya-France Geothermal Social Science Research Partnership (KFGSSRP), 2022- 2023.
  • Researcher - Governing solar electronic waste recycling in Kenya, funded by Danida Fellowship Centre, 2021 – 2023
  • Department of Environmental Planning & Management as Regional Centre of Excellence under DAAD Scholarship Programme – Ph.D. & Msc ( as Chairman, I successfully led the Department in winning the Award) from 2014, ongoing)
  • Principal Researcher of Multi – Disciplinary Research on Assessment of Productivity and Safety of Urban Agriculture in Nairobi City County, Funded by Vice Chancellor’s (Kenyatta)  University Research Grant 2013, (2013/2014).
  • In collaboration with researchers from University of Nairobi, Masinde Muliro University, Maseno University and Ministry of Energy, we won a three year research grant (funded by National Council for Science and Technology) to undertake a research on “Developing biomass pyrolysis stoves for sustainable bioenergy use by rural households and small business enterprises in Kenya”, since November 2011
  • Researcher in a programme on Partnership for Research on Viable Environmental Infrastructure in East Africa ( 4 year research collaboration between Kenyatta, Makerere, Dar es Salaam and Waginengen universities beginning August 2006) (two staff members got Ph.D. scholarships.
  • Land Use Management for Sustainable Livelihood and Poverty Alleviation in the Lake Victoria Drainage Basin: A case of Urban Agriculture in Kisumu, Mwanza and Entebbe. A three-year (2004 – 2010) collaborative research project funded by Victoria Research Initiative (Inter-University Council of East Africa), involving four researchers from Kenya, Tanzania and Uganda.

International assignments

  • Reviewer for Lake Victoria Region Local Authorities Cooperation on The Review of City Development Strategies, March/April 2009
  • Reviewer for IDRC of Research Proposals on Urban Vulnerabilities to Climate Change in Africa. January, 2009.
  • Mantor during Sustainable Communities Course, Asian Institute of Technology, Bangkok, Thailand, August 11 -22, 2008, rganized by UN-HABITAT & UNEP.
  • Analyst for FAO – UN, Nairobi office, National Policy Analyst, Integrated Natural Resource Assessment (Natural Resource Management), May/June, 2008
  • UN-HABITAT Consultant on Mid-Term Review of Localising Agenda 21 on Sustainable Urban Development and Environmental Management – Nakuru Municipality Kenya, November 2005-January 2006.

Honorary positions/consultancy

  • A member of the International Jury on the Global Award for Sustainable Development in Cities (Shanghai Award), in Shanghai, China, from 8-9 September 2023.
  • Project Planner, Planning, Surveying & Preparation of RAP for 5 informal settlements in Nairobi City County, Nakuru County and Mombasa City County, Kenya, February 2019 – November 2019.
  • Team Leader/Principal Consultant, Planning & Surveying of 5 informal settlements in Nyeri County, Client, Kenya Informal Settlement Improvement Programme, Ministry of Transport, Infrastructure, Housing and Urban Development, May 2017 – May 2018.
  • Team Leader/Principal Consultant, Planning & Surveying of 8 informal settlements in Nyeri County, Client, Kenya Informal Settlement Improvement Programme, Ministry of Transport, Infrastructure, Housing and Urban Development, April 2016 – April 2017.
  • Team Leader/Principal Consultant, Capacity Building Needs Assessment of Physical Planning Department, Ministry of Land, Housing & Urban Development, May – June, 2015.
  • Consultant for DFID, Kenya on Sustainable Urban Economic Development in Kenya (October/Nov 2014).
  • Principal Consultant/spatial planner, Mapping and Spatial Planning of Iten Town, Elgeyo Marakwet County, October 2014 – June 2015, by EcoVision Consultants.
  • Lead EIA Expert, for NKN Ltd, Preparation of ESIA Study Report for Ethanol Plant, Proponent - Sony Sugar Co Ltd, March/May 2014.
  • Consultant for Laikipia Wildlife Foundation under SADKTA, Preparation of Laikipia County Forest Conservation Strategy, March/June 2013.
  • Team Leader/Principal Consultant, preparation of Integrated Plan for Mandera Town, Ministry of State for the Development of Northern Kenya and other arid Lands, Dec 2011 – July 2012
  • Urban Expert, Preparation of Sessional Paper No 6 of 2016 on National Urban Development Policy for Kenya (Office of the Deputy Prime Minister and Ministry of Local Government, Department of Urban Development, June 2011 – April, 2012). (As part of the policy preparation process, we made study tour of Curitiba City, Brazil to appreciate the urban governance and management).
  • Analyst for KIPPRA on A status report on development issues in northern Kenya and other arid lands (environment and human settlements component), June/July 2009.
  • A member of National Land Policy Formulation Programme, Legal Framework Thematic Group, Convenor of Land Management Subgroup (written two topical land policy papers: (1) Environmental Management and (2) Natural Resource Exploitation and Conservation, September 2004/05.
  • Chairman of Technical Advisory Committee on Environmental Impact Assessment and Audit - National Environment Management Authority from March 2004 – June 2005.
  • The Vice-chairman, Kenya Institute of Planners (professional body of urban and regional planners), 2005/06.
  • Training Consultant for UN-HABITAT/IGS/IHS on Environmental Planning and Management, September 27 – October 01, 2010, held at Cooperative College, Kenya
  • Consultant for Bushland Ltd on Agricultural and Economic Viability of geotrofa in Kilifi District, Kenya June/August, 2010
  • Consultant for Nature Kenya on Conservation Master Plan and Action Plans for Tana Delta, March/April, 2010
  • Training consultant for WWF – Kenya during a one week course on sustainable development and strategic environmental assessment, June 2010
  • Consultant for WWF-EARPO on Economic Opportunities for Women and Youth in the Mara Catchments, June/July 2009.
  • Consultant for KIPPRA on A status report on development issues in northern Kenya and other arid lands (environment and human settlements component), June/July 2009.
  • Consultant for UNDP/Nature Kenya on Protected Areas Planning, Management and Institutional Development in Western Kenya (April-September, 2009)
  • Facilitator – City Development Strategies for improved Urban Environment and Poverty Reduction - Programme Review, UN-HABITAT/SIDA programme, April 6 – 7, 2009
  • Consultant for Lake Victoria Region Local Authorities Commission on The Review of City Development Strategies, March/April 2009
  • Facilitator Kisumu Integrated Sustainable Waste Management Project (KISWAMP) review, funded by UN-HABITAT, February 12, 2009
  • Consultant for IDRC on Review of Research Proposals on Urban Vulnerabilities to Climate Change in Africa. January, 2009.
  • Consultant for Practical Action (Intermediate Technology Development Group Ltd – Eastern Africa) on Municipal Solid Waste Management Policy for Kenya. Jan 2009, ongoing.
  • Consultant for WWF-EARPO on Governance in the Forestry Sector. Dec – January, 2008.
  • Consultant for World Agro-forestry Centre (ICRAF) on Preliminary Audit of Sasumwa Catchment, Central Province, Kenya. November 2008 – January 2009.
  • Consultant for WWF – EARPO on Climate Change Adaptation Strategies and Capacities of Local Communities around Freshwater Ecosystems in Eastern Africa. July – Nov. 2008.
  • Facilitator during Sustainable Communities Course, Asian Institute of Technology, Bangkok, Thailand, August 11 -22, 2008, organised by UN-HABITAT & UNEP.
  • Consultant for UN-HABITAT on Integrated Solid Waste Management Strategy for Improved Urban Environment and Poverty Reduction in Nairobi City. October-November, 2008.
  • Lead consultant for WWF-EARPO on the Strategic Environment Assessment, Mara River Basin (Kenya/Tanzania). January 2008 – June, 2009.
  • Physical Planners Registration Board examiner on ‘Environmental Planning, Management and Resource Use Practices’ (2007/09)
  • Lead Consultant for Nature Kenya, on the Economic Valuation of the Proposed Tana River Integrated Sugar Project in Tana River and Lamu Districts, Kenya. March – April 2008.
  • Consultant for FAO – UN, Nairobi office, National Policy Analyst, Integrated Natural Resource Assessment (Natural Resource Management), May/June, 2008
  • Consultant for International Fund for Animal Welfare (IFAW) on the Evaluation of IFAW’s Meru Conservation Area Project and Development of a Habitat Restoration/Rehabilitation Model (April/June 2007).
  • Chairman, Conflict Resolution Meeting between Ministry of Water & Irrigation & National Environment Management Authority on Water Quality Regulations Legal Notice No. 120 of 2006 (March 14-15, 2007 in Nairobi).
  • Consultant for German Technical Co-operation on Documentation of Best Practices on Integrated Watershed Management of Bwathanaro Sub – Catchment, in Nyambene District, Kenya (February/March, 2007)
  • Resource person during the Lake Victoria City Development Strategy Expert Group Meeting, 29 – 30 January 2007 Organised by UN-HABATAT.
  • A facilitator during the “Regional Partners Meeting on Integrated Solid Waste Management (ISWM) in the Lake Victoria Region” (September 2006).
  • Chairman, Conflict Resolution Meeting between Ministry of Water & Irrigation & National Environment Management Authority on Water Quality Regulations Legal Notice No. 120 of 2006 (March 14-15, 2007 in Nairobi).
  • A consultant for International Union for the Conservation of Nature on ‘Assessment of Status and Trends of Natural Resource Use’ – The Drylands Livestock Environment Interface Project, July – September 2006.
  • UNHABITAT consultant on Mid-Term Review of Localising Agenda 21 on Sustainable Urban Development and Environmental Management - Nakuru Municipality Kenya, November 2005-January 2006.
  • Aga Khan Foundation Consultant on the Integration of Environmental Concerns in the Coastal Rural Support Programme, Dec 2005– January, 2006.
  • Chairman of the task force on Land Use Planning & Management and Environmental Impact Assessment Thematic Group on National Housing Bill Formulation, Ministry of Lands and Housing (2005/06).
  • A member of National Land Policy Formulation Programme, Legal Framework Thematic Group, Convenor of Land Management Subgroup (written two topical land policy papers: (1) Environmental Management and (2) Natural Resource Exploitation and Conservation. Since September 2004/05.
  • The Vice-chairman, Kenya Institute of Planners (professional body of urban and regional planners), 2005/07.
  • Consultant on Pathways for Industrialisation of Kenya with Kenya Institute of Public Policy Research and Analysis September 2004 - June 2005.
  • Consultant on Better Access to Water in Informal Settlements of Nairobi City, Kenya through support to Water - Providing Enterprises for Intermediate Technology Development Group (Nov. 2003-February 2004).
  • Chairman of the task force on State of Environment Report for Kenya 2003 – Population, Human Settlement and Poverty Alleviation (National Environment Management Authority).
  • A member of the task force on Land use Regulations, Guidelines and Standards for Environmental Management and Co-ordination Act - 1999, (Representing Kenya Institute of Planners).
  • Consulting Assistant - Sustainable Development of Community-based Nyakairu Water Project, Laikipia District (1994/95).
  • Consulting Assistant – Socio-economic Evaluation of Minor Roads Programme, Management Centre, Nairobi, Oct – Dec, 1989