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.

Ruairí Donnelly Portrait

Ruairí Donnelly

Director of Growth

Ruairí is in charge of building up the Philanthropy team. He sets fundraising targets as well as the project's strategy and budget. He directs and oversees the work of the Philanthropy team and represents the project activities in public. Previously, he was a very successful fundraiser for EAF himself.

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.

Tobias Pulver Portrait

Tobias Pulver


Tobias is a fundraiser for the Effective Altruism Foundation. Tobias studied political science at the University of Zurich and worked for the Centre for Democracy Studies Aarau (ZDA).

Stefan Torges Portrait

Stefan Torges


Stefan Torges manages Raising for Effective Giving as part of the Philanthropy team. Previously, Stefan studied philosophy, neuroscience and cognition at the University of Magdeburg.

Daniel Kestenholz Portrait

Daniel Kestenholz


Daniel supports our Philanthropy division as an Economist. Previously he acquired experience in development cooperation and studied economics.

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.

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.

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

Operations Analyst

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.

Advisors, interns, and volunteers

Prof. Dr. Thomas Metzinger, Co-founder and advisor, Effective Altruism Foundation
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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