Jonas Vollmer Portrait

Jonas Vollmer

Co-Executive Director

Jonas is responsible for the strategic direction and management of EAF as well as communications with the effective altruism community. 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.

Stefan Torges Portrait

Stefan Torges

Co-Executive Director

Stefan is responsible for all philanthropic activities and donor relations as well as representing the organization to the general public. In addition, he manages Raising for Effective Giving, one of our projects. He regularly gives talks and workshops on effective altruism. Previously, Stefan studied philosophy, neuroscience, and cognitive science at the University of Magdeburg.

Lukas Gloor Portrait

Lukas Gloor

Senior Researcher

Lukas is responsible for EAF big picture thinking and approach. 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.

Alfredo Parra Portrait

Alfredo Parra

Director of Operations

Alfredo coordinates the operations department. 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.

Anni Leskelä Portrait

Anni Leskelä


Anni's research interests include the philosophy of simulations, AI policy and strategy, and the evolution of suffering. She studies philosophy and neuroscience at the University of Helsinki, and has previously published material on bioethics as well as blogged about topics related to AI risk and suffering-focused altruism.

David Althaus  Portrait

David Althaus


David runs empirical studies on decision theory and descriptive ethics. He studied psychology at the Universities of Innsbruck, Cologne, and Basel.

Daniel Kestenholz Portrait

Daniel Kestenholz

Operations Analyst

Daniel supports EAF in operations after running the department from 2015 to 2019. He's also a part-time coach. Previously he acquired experience in civil engineering and development cooperation and studied economics and philosophy.

Jesse Clifton Portrait

Jesse Clifton


Jesse is a part-time researcher whose main research interest is methods for promoting cooperation among AI systems, using tools from game theory and machine learning. He is also a PhD student in statistics specializing in reinforcement learning.

Ruairí Donnelly Portrait

Ruairí Donnelly

Director of Growth

Ruairí defines EAF's growth plan and coordinates fundraising for EAF projects. Previously, he led our high net worth philanthropy project, Raising for Effective Giving.

Brian Tomasik Portrait

Brian Tomasik


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.



Prof. Dr. Thomas Metzinger

Thomas K. Metzinger is professor and director of the theoretical philosophy group and the research group on neuroethics/neurophilosophy in the department of philosophy at the Johannes Gutenberg University of Mainz, Germany. From 2014 to 2019 he is a Fellow at the Gutenberg Research College. He is the founder and director of the MIND group and Adjunct Fellow at the Frankfurt Institute of Advanced Studies, Germany. His research centers on analytic philosophy of mind, applied ethics, and philosophy of cognitive science.


Prof. Dr. Melinda Lohmann

Melinda F. Lohmann is an Assistant Professor of Business Law with a specialization in Information Law and is Director of the Research Center for Information Law at the University of St. Gallen. In her research she deals with legal questions concerning artificial intelligence, robotics and self-driving cars.


Prof. Dr. Rajshri Jayaraman

Rajshri (Raji) Jayaraman is an economics professor at the European School of Management and Technology (ESMT) in Berlin whose research examines the role of incentives and networks in fostering student, worker, and company performance. The primary aim of her research is to bring empirical evidence to bear on policy design and effectiveness. She received a PhD in economics from Cornell University and a Master’s from Yale University. Her publications have appeared in top economics journals including the American Economic Review and the Journal of Political Economics.


Prof. Dr. Dina Pomeranz

Dina is an assistant professor of microeconomics at the University of Zurich. Her research focuses on public policies in developing countries, in particular in the areas of taxation and public procurement. She aims to contribute to the movement towards more evidence-based policy making, in countries with both developing and emerging economies. She previously taught at the Harvard Business School and was a Post-Doctoral Fellow at MIT's Poverty Action Lab, where she is still an affiliate professor. Besides her academic interests, she also serves on the advisory board of a number of social enterprise ventures committed to translating research into practice, including Evidence Action, TamTam-Together Against Malaria and IDinsight.


Prof. Dr. Klaus Wälde

After having held full professorships at Universities in Dresden, Würzburg and Glasgow, Klaus Wälde has been Professor of Economics at the Johannes Gutenberg University Mainz since May 2009. Since finishing his PhD in 1994 he has been thinking about how to reduce poverty, unemployment or inequalities of income and wealth. His work includes the analysis of labor markets and their reforms, especially the Hartz Reforms in Germany. His work has appeared in leading international academic journals. Having understood standard approaches to economic thinking, he turned to ‘Emotional Economics’ in an attempt to understand how standard approaches can be overcome. He has worked for the World Bank and as an adviser at the European Commission. The birth of his two daughters revealed to him that acting altruistically can badly harm one’s own career plans and be strongly rewarding at the same time.


Prof. Dr. Stefan Klein

Stefan Klein, born 1965 in Munich, is the most successful science author in German. He studied physics and analytical philosophy in Munich, Grenoble, and Freiburg, and did research in theoretical biophysics. He turned to writing because he “wanted to excite people about a reality that’s more thrilling than any mystery novel”. His book “Die Glücksformel” (2002, engl. “The Science of Happiness”) was at the top of German bestseller lists for over a year and led to international renown. In the following years he published more bestsellers like “The Secret Pulse of Time”, “Survival of the Nicest”, and most recently “On the Edge of Infinity”. His works have received numerous awards and have been translated into 25 languages. Stefan Klein lives in Berlin and teaches at the University of the Arts.


Jun.-Prof. Dr. Sascha Fink

Sascha Benjamin Fink is a junior professor of neurophilosophy and member of the Center for Brains and Behavioral Sciences at the Otto-von-Guericke Universität in Magdeburg. His work focuses on the philosophical foundations of consciousness research, specifically on the question of whether and how we can know which experiences are had by minds other than our own, and what role neuroscience can play in answering this question. His goal is to elucidate how we can reliably detect pain and suffering in other humans and nonhuman animals.


Dr. Lucius Caviola

Lucius Caviola is a moral psychologist at Harvard University and a co-founder of the Effective Altruism Foundation. He received his PhD in experimental psychology at the University of Oxford. Lucius’ research lies at the intersection of moral philosophy and psychology. His recent research aims to understand how people make charitable giving decisions and how they perceive the moral status of future generations and of animals. His research has been published in top psychological journals, such as the Journal of Personality and Social Psychology and Psychological Review. For his publication on utilitarian psychology, he and his colleagues received the prestigious Daniel M. Wegner Prize for the most innovative theoretical contribution to social psychology in 2018.


Thomas Moispointner, Operations assistant

Naoki Peter, IT

Daniel Rüthemann, Design

Nicolas Feil, Research Assistant

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