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umbutu - Guillaume Taylor


After graduating from Boston University in 1989, Guillaume Taylor started his career as a credit analyst with Intel Corporation ( in the United Kingdom and then from 1992 to 1995 as a treasury specialist in Paris, managing all foreign currency hedging activities of Intel’s European operations and responsible for operating the company’s Euro Commercial Paper program. In 1995, Guillaume Taylor joined Darier Hentsch & Cie (, private bankers in Geneva, as a private portfolio manager. In 2002, he became a partner of de Pury Pictet Turrettini & Co. Ltd (, a CHF 3 billion+ independent asset and wealth management firm where he oversaw sustainable finance for private clients. He founded Quadia in 2010 ( 

Since 2000, Guillaume’s activities have been concentrated on responsible investing. He has travelled extensively in emerging markets, focusing on impact investing in many of these regions. In the context of sustainable finance, Guillaume was a board member for 10 years of ECLOF International (, one of the oldest microfinance institutions in the world, present in 20 countries with over 500 employees. He was also the treasurer of la Fondation Internationale du Banc d’Arguin (FIBA), a major conservation foundation focusing on West African coastal regions, now part of the MAVA Foundation (  Guillaume is also a co-founder of Sustainable Finance Geneva (, a key advocacy association. From 2009 to 2016, Guillaume was a member of the Steering Committee of WWF International’s Campaign for a Living Planet ( From 2009 till 2017 he was a member of Firmenich’s Sustainability Advisory Council ( and from 2016 till 2020 he was a member of the board of the Global Alliance for Improved Nutrition (

Currently, Guillaume is CEO of Hanaku AG (, a Basel based asset management company active in small-scale sustainable infrastructure in the areas of the sanitation economy, renewable energy, real-estate, and life sciences. He is vice-president of ASE INFRA Partners ( Guillaume sits on the board of Astanor’s ( investment funds. 

Guillaume presides the investment committee of BACoMaB (, a UK based nature conservation trust fund, and sits on its board. He is a Trustee of the Spirit of the Wild Trust, a South African environmental leadership organisation and acts as chair of the Bergplaas HRH Princess Irene of the Netherlands Foundation, both part of Bergplaas Nature Reserve in the Karoo ( Guillaume is Treasurer of ProValat ( and a board member of the Montagu Foundation in Geneva (, both endowed Swiss nature conservation foundations.

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