The Giving What We Can Team
Meet our staff
Sjir Hoeijmakers
CEO
Sjir is the CEO of Giving What We Can. He has a background in impact evaluation, policy advocacy and mathematical economics.
Grace Adams
Head of Marketing
Grace Adams works on marketing for Giving What We Can. She has worked across marketing and product roles both in consulting and industry.
Fabio Kuhn
Director of Tech
Fabio is the Director of Tech at Giving What We Can, where he leads product development and manages the underlying technical infrastructure.
Sarah Baka
Technical Product Manager
Sarah is a product lead and full-stack software engineer at Giving What We Can, supporting product development and maintaining the technical infrastructure.
Zou Xinyi
Operations Manager
Zou is the Operations Manager at Giving What We Can, with a background in Philosophy and Education studies.
Max Klijnstra
Chief Growth Officer
Max is the Chief Growth Officer at Giving What We Can, where he leads the cross-team effort of growing Giving What We Can's impact and its community of🔸10% Pledgers.
Casey Yates
Operations Associate
Casey is an Operations Associate at Giving What We Can where she works to help ensure smooth operations across the organisation.
Lorenzo Buonanno
Software engineer
Lorenzo supports the product development and maintenance of technical infrastructure at Giving What We Can.
Lucas Moore
Partnerships Manager
Lucas develops and manages partnerships with organisations that share GWWC’s vision of a world in which giving effectively and significantly is a cultural norm.
Alana Horowitz Friedman
Content Lead
Alana is a Content Lead at Giving What We Can. She is passionate about increasing the reach of core effective giving concepts.
Aidan Whitfield
Researcher
Aidan is a researcher at Giving What We Can, helping to identify the highest-impact opportunities for donors. He has a background in public health and health research.
James Rayton
Head of Community and Partnerships
James is the Head of Community and Partnerships at Giving What We Can; helping to support and grow our network of givers. His background is in international development in East Africa.
Patrick Allen
Finance Associate
Patrick is a Finance Associate at Giving What We Can.
Spencer Ericson
Community Engagement Coordinator
Spencer is the Community Engagement Coordinator at Giving What We Can. She helps people around the world learn how to make significant, effective giving a sustainable part of their lives with the 10% Pledge.
Our entities
Giving What We Can is an international, multi-entity organisation. You can view details for each of our entities below.
We also have a partnership with Effective Altruism Australia and Effective Altruism Australia Environment.
See more about our governance structure.
Our trustees and board of directors
Our founders
Toby Ord
Co-Founder of GWWC
Toby co-founded Giving What We Can and the wider effective altruism movement. He is also a Senior Research Fellow at the Future of Humanity Institute at Oxford University. His current research is on the long-term future of humanity, and the risks which threaten to drastically limit our potential.
William MacAskill
Co-Founder of GWWC
Philosopher Will MacAskill is a co-founder of the effective altruism movement, Giving What We Can, 80,000 Hours, and the Centre for Effective Altruism, and the author of Doing Good Better, Moral Uncertainty, and What We Owe the Future. He is an Associate Professor in Philosophy and Research Fellow at the Global Priorities Institute, University of Oxford.
Join our team
Want to be part of our team? Visit our Careers page to see our current job openings and apply today.
Or become a volunteer
If you are interested in volunteering for Giving What We Can, we welcome you to apply to volunteer.