1. Resource Person – MWONGOZO Training for State Corporations. Organized by the State Corporations Advisory Committe. Mombasa, 28th September – 5th December 2015 and 6th – 17th February 2017.
  2. External Evaluator – PhD thesis of the Ontario Institute of Studies in Education (OISE), University of Toronto, Canada. 28th April 2015.
  3. Facilitator – Training of Cotton-growers in Eastern Region of Kenya. OFAB Event, Kenya, 5th February 2015.
  4. External expert – Interview panel for position of PRINCIPAL, 11th February 2014. For the positions of DEPUTY PRINCIPAL (AA & FPA), 9th April 2014 at The Co-oporative University College of Kenya.
  5. Lead resource person – A Survey to Determine the Prevailing Knowledge, Attitude and Practices of Agricultural Biotechnology in Kenya : A case Study of Selected Biotechnology Stakeholders in Kenya. Sponsored by the Open Forum on Agricultural Biotechnology in Africa, Kenya Chapter. June 2013.
  6. Resource person – Training Workshop on Strengthening Biosafety Regulatory Capacity in Nigeria.  Organised by the African Biosafety Network of Experts. Abuja, Nigeria. 5 – 9th November, 2012.
  7. Discussant – A meeting  on ‘Biosecurity and the Global Governance of Infectious Diseases’ organised by The Hague Institute for Global Justice. The Hague, Netherlands. 9th October, 2012.
  8. Moderator – NEPAD Agency ABNE/Michigan State University Side Event at the African Green Revolution Forum  2012 : A dialogue with African Stakeholders on New Science and Technology. Arusha, Tanzania.  26 – 28th September 2012.
  9. Resource person – Training course on Communicating Biosafety and Regulations of GMOs for Public Health Officers. Organised by ISAAA, PBS and Ministry of Health. Kenya. 20 – 21st September, 2012.
  10. Resource person – OFAB Kenya Science Communication Training Workshop for Scientists and Journalists.  Organised by OFAB Kenya Chapter and ISAAA. Kenya. 17 – 18th September 2012.
  11. Moderator/Facilitator – African COP/MOP6 Preparatory meeting on ‘Stregthening Capacity for Implementation of the Biosafety Protocol in Africa ‘. South Africa. 28 – 29th August 2012.
  12. Resource person – on ‘Dual Use Research (DUR), Biosafety and Biosecurity’ during the 1st National Biosafety Conference organised by the National Biosafety Authority. Kenya. 6 – 9th August 2012.
  13. Resource person – BIPCEA Science Communication Training Workshop for Bio-Innovate Projects.  Organised by ISAAA, PBS and Bio-Innovate Programme. Kigali, Rwanda. 3 – 4th July 2012.
  14. Resource person – Training course on Communicating Biosafety Issues in Modern Biotechnology.  Organised by ISAAA and PBS.  Kenya. 2011.
  15. Resource person – Kenya Biosciences Policy and Bill Communication Workshop.  Organised by the National Council of Science and Technology. Nairobi. November 2011.
  16. Resource person – Biosafety Training Workshop for Staff of Kenya Bureau of Standards.  Organized by KEBS. Nairobi, Kenya. 5 – 6th December 2011.
  17. Resource person – Workshop on Agri-biotech Outreach and Awareness for Biosafety Regulators & Policy makers in Agric Sector Ministries.  Organized by University of Nairobi, CEBIB USAID Project. Machakos, Kenya, 16 – 17th December 2011.
  18. Lead consultant for Kenya.  The Bioweapons Monitor Project. June – Dec 2010 and 2011. www.bwpp.org
  19. Resource Person – Risk Communication Training Course for Senior Ministry of Public Health and Sanitation Officers. Organised by International Service for the Acquisition of Agri-Biotech Applications (ISAAA) and Programme for  Biosafety Systems, Nairobi, Kenya, February 2010.
  20. Resource Person – Training Workshop on Science Communication for Scientists and Project Technical Staff involved in Bt Cowpea Project in Nigeria, Burkina Faso and Ghana. Organised by The African Agricultural Technology Foundation (AATF).  Abuja, Nigeria, June 2009.
  21. Resource Person – Risk Communication Training Course for Senior Ministry of Agriculture (MoA) Officers. Organised by International Service for the Acquisition of Agri-Biotech Applications (ISAAA) and Programme for  Biosafety Systems, June 2009.
  22. Lead National Consultant (Kenya) – Under a Regional Capacity Initiative Project entitled  ‘ Improving the Availability and Relevance of Agricultural Learning Resources in Africa’ sponsored by The Association of African Universities (AAU) and The African Network for Agriculture, Agroforestry and Natural Resources Education (ANAFE).  May – July 2009.
  23. Resource Person – Workshop on Biotechnology and Good Practices for Min. of Agriculture, Religious and Ginnery Staff.  Organized by the Intergrated Community Organisation for Sustainable Education and Empowerment for Development.  Embu, Kenya, April 2009.
  24. Resource Person – Workshop on Risk Communication Training for Biosafety Regulators and National Biosafety Committee Members (NBC).  Organised by National Council for Science and Technology (NCST), International Service for the Acquisition of Agri-Biotech Applications (ISAAA) and Programme for  Biosafety Systems. 19 – 20 April 2009.
  25. Resource Person – Farmers’ Workshop on Biotechnology Tools and Innovations. Organized by the Uganda National Council for Science and Technology & Uganda Open Forum on Agricultural Biotechnology, 17th December, 2008.
  26. Resource Person – Biotechnology Training Workshop for High School teachers: A Mentorship Programme for Strengthening the Teaching of Biotechnology by Science Teachers.  Sponsored by Monsanto (Kenya).  August 18 – 28, 2008.
  27. Resource Person – Regional Workshop on Development of Biosafety Curriculum/Programmes for Trainers of Academic and Non-academic Stakholders in East Africa organized by The Program for biosafety Systems (PBS/IFPRI), April 2007, Entebbe, Uganda.
  28. Resource Person – Regional Workshop on Enhancing Communication Skills in Modern Biotechnology Issues in Eastern Africa – Approaches and Methods of Risk Communication, January 23rd – 25th 2007, Arusha, Tanzania.
  29. Member of Kenya Research Team – WHO-UNAIDS Cost-Effectiveness and Delivery for HIV Vaccines. 2005.
  30. Resource Person – prepared a background paper on ‘Genetically Modified Organisms and the Environment – An African Perspective’ for the Africa Environment Outlook Progress and Report. 2004.
  31. Member – Ad Hoc Expert Committee on the fourth Global Environment Outlook (GEO-4) Progress and Report. 2004.