Stefan Torges

Managing Director

Stefan is responsible for overseeing CERR and its grantmaking program. He is also Co-Executive Director at the Center on Long-Term Risk. Previously, Stefan studied philosophy, neuroscience, and cognitive science.

Ruairi Donnelly


Ruairi is a philanthropist and investor. At CERR, he provides guidance on strategic direction and grantmaking. Previously, he was Chief of Staff at Alameda Research and FTX, two leading companies in the cryptocurrency industry.

Daniel Kestenholz

Chief Operating Officer

Daniel is responsible for all operational matters. Previously, he was COO at the Effective Altruism Foundation and acquired experience in civil engineering and development cooperation. Daniel studied economics and philosophy.

Tobias Baumann


Tobias is responsible for financial management and advises on grantmaking. In addition, he is also a PhD student in machine learning and a researcher at the Center for Reducing Suffering. Prior to joining CERR, he worked at a quantitative trading firm. Tobias studied computer science, physics, and mathematics.