Our team

“Alone we can do so little; together we can do so much” - Hellen Keller


Rogier Buker

Mr. Rogier Buker is Dutch and is the Managing Director of The Green Elephant. He has been working in Africa since 1986; in Uganda since 1992. He has good knowledge of local habits and governments as well as extensive knowledge of Export, Logistics, Sales and Management.

Mobile NL: +31 653 159104
Mobile UG: +256 752 672 340


Dirk de Jong

Mr. Dirk de Jong is Dutch/New-Zealander and is the Operations Director of The Green Elephant. He has extensive knowledge of international Supply Chains and has held senior management positions in a number of large multinational corporations.

Mobile NZ: +64 21 506103


Keren Okuvuru Asiimwe

Ms. Keren Okuvuru Asiimwe is Ugandan and is The Green Elephant’s General Manager. Keren has extensive experience in (local) business development and is passionate about the environment and improving Ugandan living conditions.

Mobile UG: +256 756 892 960


Michael White

Mr. Michael White is a New Zealander and The Green Elephant’s Finance Director. He is the founder of Collab Global targeting new models for impact investing and integrate financial returns and measurable social impacts. Michael has over 25 years of experience in US bond markets, corporate finance, M&A, and pioneer VC for growth funds and investing in clean energy.



Chris Littlejohn

Dr. Chris Littlejohn is a New Zealander and The Green Elephant’s Plantation and Research Manager. Chris has a wealth of experience in energy grass research and livestock management. He has worked internationally and is keen to be at the forefront of energy grass development in Africa.



Jolly Kabirizi

Dr. Jolly Kabirizi is Ugandan and The Green Elephant’s Senior Principal Research Officer / Forage Scientist. Dr. Jolly has over 40 years of experience with the National Research Institute and has contributed in many ways to improving animal nutrition and alleviating poverty. She received the Woman’s day medal 2017. The Green Elephant is grateful for her contributions and welcomed Dr. Jolly with open arms.