Team
The KGAC team
Meet our experts
Our multidisciplinary team brings together expertise in plant science, agricultural economics, forestry, research management, and policy working together to deliver credible, impactful agricultural solutions across Kenya.
Mary Kinyua
Professor of plant breeding and biotechnology. Founder and CEO of KGAC. Chair of Technical Experts on Strategic Value Chains at ASNET. Guides both technical work and day-to-day operations.
Dr. Shadrack Kinyua Inoti
Environmental and forestry expert with over 30 years of experience. PhD in Forestry from Sokoine University. Published author of 28+ papers on forest ecology, agroforestry, and climate change.
Dr.Dennis Otieno
Agricultural economist with 15+ years in research, teaching, and policy analysis. PhD from Moi University. Has contributed to major projects funded by USAID, FAO, and WFP.
Paul Gamba
Lecturer at Egerton University specialising in Agricultural Economics and Rural Development Policy. Formerly Senior Research Fellow at Tegemeo Institute. Advises on national and international agricultural policies.
Dr. Francis Mwaura
PhD in Agricultural Economics with 20+ years of experience in research, policy reviews, and development advisory across agriculture, energy, water, and education sectors.
James Muriithi
Seasoned researcher with 15+ years of experience in quantitative and qualitative research across FMCG, energy, finance, and social studies. Has managed multi-country projects across East Africa.
James Kimathi
Deputy to the CEO overseeing administrative operations. Applies Geomatic Engineering skills to conduct spatial analysis of production sites and consumer survey locations.
Joy Muriithi
Experienced project manager with 10+ years delivering agri-infrastructure and development projects across Kenya. Background in civil engineering from JKUAT. Board member at Karumo TVET.
Carolyne Khalayi
Responsible for data management, financial accounting, and client communications. Oversees the company's technological operations ensuring seamless data handling and accurate financial reporting.
Ruth Nzioki
Marketing strategist with 13+ years of experience. MBA in Strategic Management. Leads KGAC's Marketing division specialising in brand development, market positioning, and strategic communication.
Mark Nzioki
Risk management professional with 10+ years of experience developing and executing risk and insurance strategies. Oversees risk assessment, insurance structuring, and compliance at KGAC, ensuring protection of assets and operations.
Nelson Kimei
Extensive experience in field experiment setup, trial execution, data collection, and report writing. Manages product trials across various locations ensuring accurate documentation.
Testimonials
What our clients say about us
KGAC delivered our pesticide trial reports with exceptional accuracy and within the required regulatory timelines. Their PCPB-compliant documentation made the approval process seamless.

Fertilizer Manufacturer, Nakuru
The team at KGAC brought scientific rigour and practical field knowledge to our trials. Their insights helped us refine our product formulation before market launch.

Smallholder Cooperative, Kisumu
KGAC's consultancy on soil health and crop variety selection significantly improved our members' yields last season. They truly understand Kenyan farming conditions.

NGO Agricultural Programme, Rift Valley
Working with KGAC on our agroforestry research gave us credible, publishable data. Their team is professional, thorough, and deeply committed to sustainable land use.
FAQ's
The Frequently asked Question
Have questions about working with KGAC? Here are answers to the most common ones. Can’t find what you’re looking for? Contact us directly.
We conduct efficacy and safety trials for pesticides and fertilizers in compliance with PCPB Kenya standards. Our trials cover a range of crops and agroecological zones across Kenya, producing certified reports suitable for regulatory submissions.
Yes. KGAC is a PCPB Kenya-certified firm, meaning our trial reports meet the standards required by the Plant Health and Pest Control Board for product registration and approval in Kenya.
Our consultancy services cover crop science, soil health, animal health, forestry, agroforestry, agricultural economics, market linkage, and regulatory compliance. We work with smallholder farmers, agribusinesses, NGOs, and government bodies.
You can reach us via our Contact page, by email, or by phone. Once we understand your needs, we will propose a tailored scope of work, timeline, and budget. We work with clients across Kenya and the wider East Africa region.

David Kariuki
Agrochemical Company, Nairobi