Principal Consultants

Prof. Alfred Omenya, B.Arch, M.Arch, PhD [Principal Researcher / Consultant]

  • PhD, Department of Architecture, Wits University Johannesburg (2005)
  • Master of Architecture, (With Distinction in all subjects) Wits University Johannesburg (2002)
  • Bachelor of Architecture, University of Nairobi, Kenya (1997).
  • KCSE, Alliance High School (1989) scored 7 straight As

Prof. Alfred Omenya is an environmental Architect trained in architectural design, sustainable urbanism and development. He is Principal Researcher, Eco-Build Africa. He has been the Dean, School of the Built Environment at the Technical University of Kenya and Principal Researcher at Eco-Build Africa. He taught at the University of Witwatersrand, Johannesburg and University of Nairobi, Kenya, as Associate Professor of Architecture. He has published over 70 academic papers in his research areas.

Prof. Omenya has also worked in the private Sector, as a Principal Architect, in Planning Systems Architects (Kenya) and Sync Consult (South Africa). He has undertaken various research consultancies for many international organisations including the World Bank, UN-Habitat, UNEP, African Union, Sida (Sweden), UK-Aid, Oxfam GB, GOAL Ireland, etc. He collaborates in research with Harvard Graduate School, ETH Zurich, University of Manchester, University of Florida, the Woodrow Wilson Center, African Centre for Cities, Institute of Security Studies, etc. His recent works include African Union Common Position on Climate Change; African Union Strategy on Climate Change, State of African Cities Reports and the Swedish SymbioCity Programme

Prof. Tom Anyamba, B.Arch, M.Arch, PhD, MAAK, Reg. Arch [Associate Consultant]

  • PhD, Oslo School of Architecture and Design – Oslo, Norway, 2006.
  • Master of Architecture, Helsinki University of Technology – Otaniemi, Finland, 1986.
  • B. Arch, University of Nairobi, Bachelor of Architecture – Nairobi, Kenya, 1980.

Prof. Anyamba has been Dean School of the Built Environment, University of Nairobi, Chairman, Department of Architecture, University of Nairobi, Principal Partner, Mazingira Architects. He has practiced Architecture for over three decades and published extensively in Architecture and Urbanism

Prof. Caleb Mireri [Associate Consultant]

  • Duesseldorf University – Germany. (Ph.D. Major subject: Geography and minor subjects: Economics and Sociology), 2000.
  • University of Nairobi, Kenya. (Master of Arts Degree – Planning), 1992
  • University of Nairobi, Kenya. (Bachelor of Arts Degree – Economics & Geography), 1989

Prof. Mireri is a planner and an academic, with extensive experiences in government and the academy. He has published extensively in his areas of research. He has supervised several Masters and doctoral students.  He has collaborated in research and consultancy internationally with such organisations as: Inter University council of East Africa, Earth Watch Institute, Waginengen University, University of Dar es Salaam, University of Makerere, IDRC, UN-Habitat, FAO, etc. He has been Chairman of Department of Environmental Planning & Management, and Chairman, Centre for Research and Extension at Kenyatta University, where he has also played other significant administrative roles including:

  • Chairman, KU – Regional Centre of Capacity Development
  • Member of University Teaching, Research and Referral Hospital Project Committee
  • Member of KU, Campus City Project
  • Member of KU, Environmental Compliance Committee
  • Chairman, Departmental Postgraduate Committee
  • Member of School Board of Postgraduate Committee

Prof. Mireri has worked with the Government of Kenya as a planner rising to deputy Director of Physical planning. He was Vice chairman of the Kenya institute of planners. He has continued to support government in various roles including:

  • Urban  Specialist on the preparation of National Urban Development Policy for Kenya;
  • Analyst for KIPPRA on a status report on development issues in northern Kenya and other arid lands;
  • Chairman of the task force on Land Use Planning & Management and Environmental Impact Assessment, National Housing Bill Formulation, Ministry of Lands and Housing
  • Chairman of Technical Advisory Committee on Environmental Impact Assessment and Audit – National Environment Management Authority
  • Policy analyst on Pathways for Industrialisation of Kenya with Kenya Institute of Public Policy Research and Analysis
  • 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

Dr. Romanus Opiyo [Associate Consultant]

  • PhD Planning, University of Nairobi (Department of Urban Planning) (2014)
  • MA (Planning), University of Nairobi (Department of Urban Planning), 2004
  • Bachelor of Arts Social Sciences (Upper Second Class Honours), Catholic University of Eastern Africa (CUEA), 1998

Dr. Opiyo is a registered planner, with strong social science research skills particularly use of participatory techniques.  who has worked with UN-Habitat and University of Nairobi. He has over ten years experience in consultancy, research and teaching. His research work mainly focuses on urban challenges in developing countries, especially in the realm of safety and livelihoods. His planning work is mainly based on interventions for vulnerable groups (more specifically, slum dwellers, informal sector workers and the urban poor generally), crime-risks and policing including evaluation of community policing.

Dr. Opiyo has also done significant studies in the area of micro-enterprise development with a focus on locational and clustering theory, use and impact of information and communication technologies (ICTs) and learning processes and innovation systems within the small and micro-scale enterprise sector.

Dr. Lawrence Esho [Associate Consultant]
B.A (Sociology), MA (Planning), M.Arch (Human Settlements), PhD

  • PhD (KU Leuven), Reg. Planner, MKIP, MAAK
  • MArch Human Settlements (KU Leuven),
  • M.A. Planning (UoN),
  • B.A. Sociology (KU)

Dr. Esho is trained in sociology, planning and human settlements. He has worked as a planner and an academic. He is Chairman, Department of Urban and Regional Planning at the Technical University of Kenya. Lawrence has researched various aspects of housing, transport and planning in the region and continues to collaborate in research with a number of institutions, including KU Leuven, HIS the Netherlands, New Towns programme, the Netherlands, etc.


  1. Arch. Gideon Ngumbau, B.Arch (University of Nairobi), M.Arch (KU-Leuven)
  2. Tabitha Onyinge, B.A (Communication), University of Nairobi
  3. Planner David Zinny, B.A. (Planning), University of Nairobi, Reg Planner, MAAK

Support Team

  1. Maureen Gikonyo, B.A (Urban and Regional Planning, University of Nairobi)
  2. Fredrick Onzere, Dip. Arch (Technical University of Kenya)
  3. Joseph Maroa, Dip Arch (Jomo Kenyatta University)
  4. Caroline Asike, CPA
  5. Susan Aseyo – Office Assistant
  6. Edith Tonui – B. Arch Student, intern (University of Nairobi)
  7. Wanza Nashiemi – B. Arch Student, intern (University of Nairobi