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Director General Office

M. Ann Tutwiler, Director General

M. Ann Tutwiler is the Director General of Bioversity International, an international research for development organization that is a CGIAR Research Centre.

As Director General, Ann Tutwiler is responsible for leading Bioversity International, forging effective research partnerships and overseeing the organization’s strategic priorities and research agenda. She has more than 30 years of experience in agricultural policy and development working in the public and private sectors.


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Read Ann Tutwiler's Blog - DG Dialogues
Follow Ann Tutwiler on Twitter: @AnnTutwiler


Stephan Weise, Deputy Director General, Research

Dr. Stephen Weise joined Bioversity International in 2008 as the Director of the Commodities for Livelihoods Programme, based in our Montpellier Office in France. He was appointed Deputy Director General Research in 2011. Before joining Bioversity International, Stephan worked for 16 years with the International Institute of Tropical Agriculture (IITA) on a variety of programmes related to tree crops, the environment, and farm diversification in the forest margins of West and Central Africa. 

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Local agrobiodiversity in Guatemala. Credit: Bioversity International/R. Robitaille

One thousand and ninety seven reasons to celebrate World Food Day

In her World Food Day blog, Ann Tutwiler, Director General, Bioversity International draws attention to the thousands of overlooked food...

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To conserve biodiversity, conserve agricultural biodiversity

In her latest blog, Ann Tutwiler, Director General of Bioversity International, explains why she is proud to be an International Ambassador for the...

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Disrupting agricultural and tree biodiversity science – a review of Bioversity International’s 2017

On the International Day of Biological Diversity, which in 2018 marks 25 years of action for biodiversity, our Director General, Ann Tutwiler is proud...

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