Trustee from The Netherlands
Sam Muller is presently the Chair of WWF-Netherlands.

Career Snapshot
Sam Muller is the founding director of HiiL. Its mission is to empower 150 million people to prevent or resolve their most pressing justice problems by 2030. HiiL has developed a unique, evidence-based and innovation driven approach to achieve this. An international lawyer by training, Sam works on justice strategy and innovation at the highest political levels, connecting knowledge about needs and what works with change processes that make a difference. The clients he has worked for include governments, international businesses and leading civil society organisations. Sam also led the setting up of the Justice Leaders group Foundation and the Wildlife Justice Commission.
Before his work at HiiL he was closely involved in building the International Criminal Court. He worked as legal adviser at UNRWA and the then newly established ICTY.
Sam has served on many boards. He was chair of the supervisory board of the Wildlife Justice Commission until September 2021 and now a board member. He served as Senior Adviser to the Task Force on Justice that published a ground-breaking report in July 2019. In addition, he is a member of the Advisory Board of the Impact Investment Exchange, IIX. He was active within the World Economic Forum on the topics of rule of law and justice, chairing two agenda councils. Sam is an alumnus of the Future Leaders Programme of the French Foreign Ministry and of the High Performance Leadership Programme of the IMD. He is also a facilitator of leadership retreats for the Foundation for Natural Leadership.

Formal Education
Sam holds a law degree and a doctorate in international law from Leiden University.

He has published and spoken extensively on various topics: people centred justice, legal trends and strategy, justice leadership, justice innovation, and international justice issues


Sam Muller 
© Sam Muller
Sam Muller
© Sam Muller