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Board of Directors

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Tom Green


Following a career in vertically integrated production agriculture, farming over 85,000 hectares in UK and Europe as CEO of Spearhead International, Tom is now focussing on the theme of “Agritech to drive farm performance and sustainability”.

Tom continues as a Non-executive director at Spearhead, he is Chairman of UK based Agritech companies Hummingbird and PBD Biotech, and Non-Executive Director at Metos and Camagritech.

Tom is a Trustee of the charity LEAF, Linking Environment and Farming, and Chairman of the farm and food assurance scheme, LEAF Marque Ltd.


Charlie Tryon


Charlie Tryon co-founded Maris and is a Director of Maris Limited. He oversees the group from East Africa. Prior to Maris, Charlie developed a successful portfolio of venture businesses in Afghanistan and East Africa.


Edward Stiles


Ed joined Maris in 2018 as the Country Manager for Zimbabwe. Prior to joining Maris he worked in different senior management positions with Syngenta in Tanzania, Malawi and Zambia. Ed holds a Masters of Engineering from Oxford University and an MBA from INSEAD and has served in the British Army Special Forces.

Board: Team
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