Jonas Vollmer Portrait

Jonas Vollmer

Executive Director

Jonas manages and coordinates EAF's activities. He studied medicine and economics with a focus on health and development economics, during which time he acquired expertise central to charity evaluation. He previously served on the boards of several charities. His career choice, motivated by effective altruism, was covered in major Swiss media outlets.

Tobias Pulver Portrait

Tobias Pulver


Tobias coordinates EAF's work related to local effective altruism groups. Previously he led Raising for Effective Giving (REG). Under his leadership, the EAF project generated more than a million in donations in the first two years of its existence. Tobias studied politics at the University of Zurich and worked for the Centre for Democracy Studies Aarau (ZDA).

Lukas Gloor Portrait

Lukas Gloor

Director of Strategy

Lukas is responsible for EAF’s strategic focus. Working at the Foundational Research Institute (FRI), he developed important considerations from the perspective of suffering-focused ethics. He is currently researching how to mitigate risks from emerging technologies.

Stefan Torges Portrait

Stefan Torges

Director of Communications & Philanthropy

Stefan Torges manages Raising for Effective Giving, a project by the Effective Altruism Foundation. He also gives talks and workshops on effective altruism. Previously, Stefan studied philosophy, neuroscience and cognition at the University of Magdeburg.

Prof. Dr. Thomas Metzinger Portrait

Prof. Dr. Thomas Metzinger

Scientific Advisor and Board Member

Thomas Metzinger is a professor in theoretical philosophy at the University of Mainz and director of the interdisciplinary Mind Group. His research interests are the analytical philosophy of the mind, the philosophy of cognitive science and the ethics of neurotechnology.

Daniel Kestenholz Portrait

Daniel Kestenholz

Director of Operations

Daniel coordinates the Operations department. Previously he acquired experience in civil engineering and development cooperation and studied economics and philosophy.

Persis Eskander Portrait

Persis Eskander

Executive Director | Wild Animal Suffering Research

Persis manages the Wild Animal Suffering Research project and conducts research on the topic. Previously she worked in social justice policy, advocacy, and analysis. Persis holds degrees in law and philosophy from UNSW and is currently undertaking a Masters of Economics at ANU.

Max Daniel Portrait

Max Daniel

Executive Director | Foundational Research Institute

Max manages FRI and oversees the development of FRI's strategy and research agenda. He holds a degree in mathematics from Heidelberg University and previously served on the board of an international development NGO.

Anne Wissemann Portrait

Anne Wissemann


Anne supports EAF’s management. She leads on sponsorship and transactions and undertakes countless administrative and legal clarifications as well as strategic research on NGO management. Anne studied biology, art and chemistry in Essen.

Caspar Oesterheld Portrait

Caspar Oesterheld

Researcher | Foundational Research Institute

Caspar studied computer science at the University of Bremen. In middle and high school, he completed a year's worth of university-level courses in mathematics at the University of Hamburg. He has published in the journal Synthese and his research areas include theoretical computer science, ethics, and artificial intelligence.

Ozy Brennan Portrait

Ozy Brennan

Research Associate | Wild Animal Suffering Research

Ozy researches wild animal suffering. They graduated from New College of Florida with a degree in sociology.

David Althaus Portrait

David Althaus

Director of Strategy | Foundational Research Institute

David runs the operations of the Foundational Research Institute (FRI) and coordinates their human resources, outreach and research activities. He studied psychology at the Universities of Innsbruck, Cologne and Basel.

Johannes Treutlein Portrait

Johannes Treutlein

Research and Growth | Foundational Research Institute

Johannes researches decision theory and supports FRI's recruiting and Outreach. Before his work at FRI, Johannes studied the double bass in Stuttgart and Nuremberg and played with the Munich Philharmonic.

Adrian Rorheim Portrait

Adrian Rorheim


Adrian is in charge of copyediting and proofreading of English content at EAF, including its sister projects. Before joining the team, Adrian worked as an assistant teacher, helped found a human rights organization, and campaigned for animal rights in Oslo, Norway.

Brian Tomasik Portrait

Brian Tomasik

Research Lead | Foundational Research Institute

Brian is the author of over 100 pieces on his website, "Essays on Reducing Suffering", as well as several published papers. He has worked at Microsoft and FlyHomes as a data scientist and web developer. He studied computer science, mathematics, and statistics at Swarthmore College.

Kim Korte Portrait

Kim Korte

Chief Technology Officer

Kim coordinates the Information Technology department and is responsible for systems and infrastructure. He worked as a freelance web developer in the areas of seafaring, automobile, and aviation and studied Human-Computer-Interaction.

Alfredo Parra Portrait

Alfredo Parra


Alfredo supports EAF in Operations. He holds a bachelor’s degree in Engineering Physics as well as a master’s degree and a PhD in Computational Science from the Technical University of Munich.

Georgia Ray Portrait

Georgia Ray

Research | Wild Animal Suffering Research

Georgia writes about a variety of topics including animal welfare and existential risk on the website Eukaryote Writes Blog, and helps run the Seattle Effective Altruists group. She has done research on bacteriophage-host interactions and graduated from The Evergreen State College with a focus in microbiology.

Interns and volunteers

Lucius Caviola, Advisor, Effective Altruism Foundation
Jan Dirk Capelle, Advisor & Speaker, Effective Altruism Foundation
Kaspar Etter, Advisor, Effective Altruism Foundation
Dr. Massimo Mannino, Advisor, Effective Altruism Foundation
Dr. Adrian Hutter, Advisor, Foundational Research Institute
Naoki Peter, IT, Effective Altruism Foundation
Denis Drescher, IT, Effective Altruism Foundation
Pascal Zimmer, Advisor, Effective Altruism Foundation
Jasper Götting, Community & Speaker, Effective Altruism Foundation
Max Räuker, Community & Speaker, Effective Altruism Foundation

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