Our team
Baxter Bullock
Executive Director
Baxter Bullock is the Co-founder of Students for High-Impact Charity (SHIC) and RC Forward. Prior to Rethink Charity’s founding, Baxter served as the Programs Director for the Charity Science Foundation. He was also a high school math teacher for 4 years.
Tee Barnett
Senior Director of Growth & Strategy
Tee Barnett currently serves as the Senior Director of Growth at Rethink Charity and co-founded Students for High-Impact Charity (SHIC). He earned his M.A. in International Development from National Chengchi University (政治大學) in Taipei.
Peter Hurford
Co-founder and Board Member
Peter Hurford is Data Scientist at DataRobot. He co-founded Rethink Charity, and is on the board of Charity Science and Animal Charity Evaluators. He's reviewed and produced research on cause prioritization and effective altruism since 2013. Peter works directly on Rethink Priorities research and strategy. He also works with Rethink Charity on focus projects, in particular the EA Survey.
David Moss
Director of Research
David Moss is Director of Research, focusing on measurement and evaluation. He previously worked for Charity Science and has worked on the EA Survey for several years. David studied Philosophy at Cambridge and is an academic researcher of moral psychology.
Siobhan Brenton
Operations Manager
Siobhan works on systems optimization, organizational compliance and oversees day-to-day operations for Rethink Charity. Previously, she helped coordinate EA meetups in Sydney and worked as the communications officer for Effective Altruism Australia. In 2014 Siobhan earned a Bachelors of Science in Biochemistry from Memorial University of Newfoundland and went on to get a Masters of International Public Health from the University of New South Wales.
Marcus A. Davis
Senior Researcher for Rethink Priorities
Marcus is a co-founder of Charity Entrepreneurship and Charity Science Health, where he systematically analyzed global poverty interventions, led cost-effectiveness analyses, and oversaw all technical aspects of the project. Before joining the Charity Science team, he ran Effective Altruism Chicago and worked with LEAN coordinating outreach to local EA groups around the globe.
Michal Trzesimiech
Manager of LEAN
Michael's current role is to steer the Local Effective Altruism Network. He also presides over The Polish Foundation for Effective Altruism, which is built upon 3 local groups he started between 2014 and 2017. He is also a technologist with several years of experience at Goldman Sachs, UBS, and others.
Simmo Simpson
Operations and Administration Officer
Simmo helps oversee day-to-day operations across all aspects of Rethink Charity. Among other things, his work includes finance, HR, and communications. Over the past decade he’s worked in the education sector in the UK, Taiwan and Japan, not only as a teacher, but also running giving games with high-potential students from many different countries, and facilitating socio-educational summer boarding courses for international teenagers. Simmo coordinated events for EA Taipei, from its inception in 2016 until 2018.
Catherine Low
Resource Curator
Catherine Low compiles resources for local effective altruism groups for the LEAN project. She gained a PhD in particle physics from The University of Melbourne and worked as a Science, Physics and Ethics teacher. A founding member of Effective Altruism New Zealand, she has been involved in effective altruism outreach since 2015, giving presentations to any group who could possibly be convinced to listen, and managed the Students for High-Impact Charity project.
Marisa Jurczyk
Operations Officer
Marisa helps with maintaining RC Forward and other day-to-day operations at Rethink Charity. Previously, Marisa volunteered as a Student Leader Coordinator for Students for High-Impact Charity. Marisa is also working towards a BA in Sociology at Loyola University New Orleans.
Jacob Grossbard
Tech Officer
Jacob is studying computer engineering at the University of British Columbia, with the goal of becoming a software engineer. At Rethink Charity, he helps maintain and improve technical resources and infrastructure. He is also an Eagle Scout. When not futzing with servers, he is typically on skis or a bike. He may be responding to your email from the top of a mountain.
Kim Cuddington
Research Analyst
Kim Cuddington is a Research Analyst at Rethink Priorities. She has a PhD in ecology with a background in mathematical modeling. She is an academic researcher of population ecology.
Derek Foster
Research Analyst
Derek is a Research Analyst at Rethink Priorities. He studied philosophy and politics as an undergraduate, followed by public health and health economics at master’s level. Before joining RP, Derek worked on the Global Happiness Policy Report and various other projects related to global health, education, and subjective well-being.
Luisa Rodriguez
Research Analyst
Luisa Rodriguez is a Research Analyst at Rethink Priorities. Previously, she conducted cost-effectiveness evaluations of nonprofit and government programs at ImpactMatters, Innovations for Poverty Action, and GiveWell.
Saulius Šimčikas
Research Analyst
Saulius is a Research Analyst at Rethink Priorities. Previously, he was a research intern at Animal Charity Evaluators, organised Effective Altruism events in the UK and Lithuania, and worked as a programmer.
Neil Dullaghan
Research Analyst
Neil is a Junior Research Analyst at Rethink Priorities. He also volunteers for Charity Entrepreneurship and Animal Charity Evaluators. Before joining RP, Neil worked as a data manager for an online voter platform and has an academic background in Political Science.
Jason Schukraft
Junior Research Analyst
Jason is a Junior Research Analyst at Rethink Priorities. Before joining the RP team, Jason earned his doctorate in philosophy from the University of Texas at Austin. Jason specializes in questions at the intersection of epistemology and applied ethics.
Daniela R. Waldhorn
Junior Research Analyst
Daniela is a Junior Research Analyst at Rethink Priorities. She is a PhD candidate in Social Psychology, and has a background in management and operations. Before joining RP, Daniela worked for Animal Ethics and for Animal Equality.