Information for EleutherAI

Table of contents

Basic information

Item Value
Donations List Website (data still preliminary)

Positions count by year

Hover over a name to see the position and date range. This table only includes positions where at least the start date is known. The positions count can count the same person multiple times if they held different positions; similarly, the list of staff may include the same person multiple times if they held more than one position during a single year. For each year, a person is included if they were at the organization for any part of the year; this means the actual staff count at any point during the year can be lower (or higher, if some staff held multiple positions in a single year).

Year Positions count Researchers General staff Associates Board members Advisors
2020 1 Eric Alcaide
2021 1 Eric Alcaide
2022 1 Eric Alcaide
2023 46 Alex Mallen, Brennan Dury, Curt Tigges, Dashiell Stander, Dashiell Stander, Eric Alcaide, Hailey Schoelkopf, Lintang Sutawika, Louis Castricato, USVSN Sai Prashanth, USVSN Sai Prashanth Alex Havrilla, Aman Tiwari, Aran Komatsuzaki, Aviya Skowron, Aviya Skowron, Celia Ashbaugh, Curt Tigges, Curtis Huebner, Dashiell Stander, Delta Hessler, Duy Phung, Erfan Al-Hossami, Hailey Schoelkopf, Herbie Bradley, Honglu Fan, Joel Lehman, Jon Tow, Justice Edgell, Katherine Crowson, Lintang Sutawika, Louis Castricato, Maksym Zhuravinskyi, Nathan Cooper, Nora Belrose, Nora Belrose, Oskar van der Wal, Quentin Anthony, Quentin Anthony, Reshinth Adithyan, Shahbuland Matiana, Shivanshu Purohit, Stella Biderman Colin Raffel, Connor Leahy, Emad Mostaque
2024 40 Adam Scherlis, Alex Mallen, Brennan Dury, Curt Tigges, Eric Alcaide, Gonçalo Paulo, Gonçalo Paulo, Gonçalo Paulo, Hailey Schoelkopf, Hailey Schoelkopf, Lintang Sutawika, Louis Castricato, Lucia Quirke, Naomi Saphra, USVSN Sai Prashanth Annette Chivers, Aran Komatsuzaki, Aviya Skowron, Bo Peng, Celia Ashbaugh, Curtis Huebner, David Johnston, Delta Hessler, Eugene Cheah, Ingyu Seong, Jacob Hatef, Jason Phang, Justice Edgell, Logan Riggs, Naomi Saphra, Natalie Chivers, Nora Belrose, Quentin Anthony, Sebastian Majstorovic, Stella Biderman, Zhangir Azerbayev Colin Raffel, Connor Leahy, Emad Mostaque, Stella Biderman
2025 21 Adam Scherlis, Alex Mallen, Brennan Dury, Eric Alcaide, Gonçalo Paulo, Jonas Müller, Louis Jaburi, Lucia Quirke Aran Komatsuzaki, Aviya Skowron, Bo Peng, Celia Ashbaugh, David Johnston, Eugene Cheah, Ingyu Seong, Naomi Saphra, Nora Belrose, Quentin Anthony, Sebastian Majstorovic, Stella Biderman, Zhangir Azerbayev
2026 20 Adam Scherlis, Catherine Arnett, Eric Alcaide, Gonçalo Paulo, Jonas Müller, Louis Jaburi, Lucia Quirke Aran Komatsuzaki, Aviya Skowron, Bo Peng, Celia Ashbaugh, David Johnston, Eugene Cheah, Ingyu Seong, Naomi Saphra, Nora Belrose, Quentin Anthony, Sebastian Majstorovic, Stella Biderman, Zhangir Azerbayev

Number of full-time staff at the beginning each year

The following table lists some dates and people who were at the organization on the given date (namely, the start of the year). The table may not list every person who worked for the organization (e.g. they could have joined and left in the middle of a single year). This table excludes associates, interns, advisors, and board members.

Date Staff count Staff
2021-01-01 1 Eric Alcaide
2022-01-01 1 Eric Alcaide
2023-01-01 1 Eric Alcaide
2024-01-01 17 Alex Mallen, Aviya Skowron, Brennan Dury, Celia Ashbaugh, Curt Tigges, Curtis Huebner, Delta Hessler, Eric Alcaide, Gonçalo Paulo, Hailey Schoelkopf, Justice Edgell, Lintang Sutawika, Louis Castricato, Nora Belrose, Quentin Anthony, Stella Biderman, USVSN Sai Prashanth
2025-01-01 19 Adam Scherlis, Alex Mallen, Aran Komatsuzaki, Aviya Skowron, Bo Peng, Brennan Dury, Celia Ashbaugh, David Johnston, Eric Alcaide, Eugene Cheah, Gonçalo Paulo, Ingyu Seong, Lucia Quirke, Naomi Saphra, Nora Belrose, Quentin Anthony, Sebastian Majstorovic, Stella Biderman, Zhangir Azerbayev
2026-01-01 19 Adam Scherlis, Aran Komatsuzaki, Aviya Skowron, Bo Peng, Celia Ashbaugh, David Johnston, Eric Alcaide, Eugene Cheah, Gonçalo Paulo, Ingyu Seong, Jonas Müller, Louis Jaburi, Lucia Quirke, Naomi Saphra, Nora Belrose, Quentin Anthony, Sebastian Majstorovic, Stella Biderman, Zhangir Azerbayev

Full history of additions and subtractions

This table shows the full change history of positions. Each row corresponds to at least one addition or removal of a position. Additions are in green and subtractions are in red. If a position name changed, it is listed simultaneously as an addition (of the new name) and removal (of the old name) and colored yellow. Additionally there are faded variants of each color for visited links.

Date Number of positions Number of positions added Number of positions removed Positions added Positions removed
1 1 0 Mohammad Aflah Khan
2020-12-01 2 1 0 Eric Alcaide
2023-02-27 15 24 -11 Alex Havrilla, Aman Tiwari, Aviya Skowron, Colin Raffel, Connor Leahy, Curt Tigges, Curtis Huebner, Dashiell Stander, Duy Phung, Erfan Al-Hossami, Hailey Schoelkopf, Herbie Bradley, Joel Lehman, Jon Tow, Lintang Sutawika, Louis Castricato, Maksym Zhuravinskyi, Nathan Cooper, Quentin Anthony, Reshinth Adithyan, Shahbuland Matiana, Shivanshu Purohit, Stella Biderman, USVSN Sai Prashanth Alex Havrilla, Aman Tiwari, Duy Phung, Erfan Al-Hossami, Joel Lehman, Jon Tow, Louis Castricato, Maksym Zhuravinskyi, Nathan Cooper, Reshinth Adithyan, Shahbuland Matiana
2023-03-15 16 2 -1 Emad Mostaque, Katherine Crowson Dashiell Stander
2023-04-01 16 1 -1 Aviya Skowron Aviya Skowron
2023-04-19 9 4 -11 Aran Komatsuzaki, Celia Ashbaugh, Dashiell Stander, Nora Belrose Aran Komatsuzaki, Curt Tigges, Dashiell Stander, Hailey Schoelkopf, Herbie Bradley, Katherine Crowson, Lintang Sutawika, Nora Belrose, Quentin Anthony, Shivanshu Purohit, USVSN Sai Prashanth
2023-11-06 20 14 -3 Alex Mallen, Brennan Dury, Curt Tigges, Dashiell Stander, Delta Hessler, Hailey Schoelkopf, Honglu Fan, Justice Edgell, Lintang Sutawika, Louis Castricato, Nora Belrose, Oskar van der Wal, Quentin Anthony, USVSN Sai Prashanth Dashiell Stander, Honglu Fan, Oskar van der Wal
2024-01-01 21 1 0 Gonçalo Paulo
2024-03-13 30 12 -3 Annette Chivers, Aran Komatsuzaki, Bo Peng, Eugene Cheah, Ingyu Seong, Jacob Hatef, Jason Phang, Logan Riggs, Naomi Saphra, Natalie Chivers, Stella Biderman, Zhangir Azerbayev Connor Leahy, Jason Phang, Naomi Saphra
2024-04-07 19 1 -12 Naomi Saphra Annette Chivers, Colin Raffel, Curt Tigges, Delta Hessler, Emad Mostaque, Hailey Schoelkopf, Jacob Hatef, Justice Edgell, Logan Riggs, Louis Castricato, Natalie Chivers, Stella Biderman
2024-06-01 19 1 -1 Gonçalo Paulo Gonçalo Paulo
2024-08-01 18 0 -1 Gonçalo Paulo
2024-09-01 19 1 0 Gonçalo Paulo
2024-11-19 20 5 -4 Adam Scherlis, David Johnston, Hailey Schoelkopf, Lucia Quirke, Sebastian Majstorovic Curtis Huebner, Hailey Schoelkopf, Lintang Sutawika, USVSN Sai Prashanth
2025-01-07 18 0 -2 Alex Mallen, Brennan Dury
2025-04-01 19 1 0 Louis Jaburi
2025-08-01 20 1 0 Jonas Müller
2026-01-29 16 0 -4 Adam Scherlis, Aran Komatsuzaki, Ingyu Seong, Zhangir Azerbayev
2026-04-05 17 1 0 Catherine Arnett

List of people (71 positions)

Person Title Start date End date AI safety relation Subject Employment type Source Notes
Stella Biderman Executive Director 2023-02-27 AGI organization strategy [1], [2]
Curtis Huebner Head of Alignment 2023-02-27 2024-11-19 AGI organization technical research [1], [3], [4]
Shivanshu Purohit Head of Engineering 2023-02-27 2023-04-19 AGI organization software engineering [1], [5], [6]
Louis Castricato Head of CarperAI 2023-02-27 2023-02-27 AGI organization technical research [1], [7]
Louis Castricato RLHF Researcher 2023-11-06 2024-04-07 AGI organization technical research [6], [8], [3]
Erfan Al-Hossami PhD Fellow 2023-02-27 2023-02-27 AGI organization technical research [1], [7]
Reshinth Adithyan Engineer 2023-02-27 2023-02-27 AGI organization software engineering [1], [7]
Quentin Anthony Lead Engineer 2023-02-27 2023-04-19 AGI organization software engineering [1], [5], [6]
Quentin Anthony Head of HPC 2023-11-06 AGI organization software engineering [6], [2]
Herbie Bradley Senior Scientist 2023-02-27 2023-04-19 AGI organization technical research [1], [5], [6]
Nathan Cooper PhD Fellow 2023-02-27 2023-02-27 AGI organization technical research [1], [7]
Alex Havrilla Technical Project Manager 2023-02-27 2023-02-27 AGI organization general [1], [7]
Joel Lehman Lead Scientist 2023-02-27 2023-02-27 AGI organization technical research [1], [7]
Shahbuland Matiana Lead Engineer 2023-02-27 2023-02-27 AGI organization software engineering [1], [7]
Duy Phung Engineer 2023-02-27 2023-02-27 AGI organization software engineering [1], [7]
USVSN Sai Prashanth Research Intern 2023-02-27 2023-04-19 AGI organization technical research intern [1], [5], [6]
USVSN Sai Prashanth NLP Researcher 2023-11-06 2024-11-19 AGI organization technical research [6], [3], [4]
Hailey Schoelkopf Senior Scientist 2023-02-27 2023-04-19 AGI organization technical research [1], [5], [6]
Hailey Schoelkopf Interpretability Researcher 2023-11-06 2024-04-07 AGI organization technical research [6], [8], [3]
Hailey Schoelkopf NLP Researcher 2024-11-19 2024-11-19 AGI organization technical research [3], [4]
Aviya Skowron Ethicist 2023-02-27 2023-04-01 AGI organization policy [1], [5], [9]
Aviya Skowron Head of Policy and Ethics 2023-04-01 AGI organization policy full-time [9], [2]
Celia Ashbaugh Assistant to the Executive Director 2023-04-19 AGI organization general [5], [2]
Nora Belrose Lead Scientist 2023-04-19 2023-04-19 AGI organization technical research [5], [6]
Nora Belrose Head of Interpretability 2023-11-06 AGI organization technical research [6], [2]
Katherine Crowson Lead Engineer 2023-03-15 2023-04-19 AGI organization software engineering [7], [5], [6]
Aran Komatsuzaki Lead Scientist 2023-04-19 2023-04-19 AGI organization technical research [5], [6]
Aran Komatsuzaki Natural Language Processing 2024-03-13 2026-01-29 AGI organization technical research affiliate [10], [11], [12]
Dashiell Stander Research Scientist 2023-02-27 2023-03-15 AGI organization technical research [1], [7]
Dashiell Stander Scientist 2023-04-19 2023-04-19 AGI organization technical research [5], [6]
Dashiell Stander Interpretability Researcher 2023-11-06 2023-11-06 AGI organization technical research [6], [10]
Lintang Sutawika Senior Scientist 2023-02-27 2023-04-19 AGI organization technical research [1], [5], [6]
Lintang Sutawika NLP Researcher 2023-11-06 2024-11-19 AGI organization technical research [6], [3], [4]
Curt Tigges Scientist 2023-02-27 2023-04-19 AGI organization technical research [1], [5], [6]
Curt Tigges Interpretability Researcher 2023-11-06 2024-04-07 AGI organization technical research [6], [8], [3]
Aman Tiwari Senior Engineer 2023-02-27 2023-02-27 AGI organization software engineering [1], [7]
Jon Tow Senior Engineer 2023-02-27 2023-02-27 AGI organization software engineering [1], [7]
Maksym Zhuravinskyi Engineer 2023-02-27 2023-02-27 AGI organization software engineering [1], [7]
Brennan Dury Interpretability Researcher 2023-11-06 2025-01-07 AGI organization technical research [6], [4], [13]
Justice Edgell Data Engineer 2023-11-06 2024-04-07 AGI organization software engineering [6], [8], [3]
Honglu Fan Mathematician 2023-11-06 2023-11-06 AGI organization technical research [6], [10]
Delta Hessler Server Support Staff 2023-11-06 2024-04-07 AGI organization general [6], [8], [3]
Alex Mallen Interpretability Researcher 2023-11-06 2025-01-07 AGI organization technical research [6], [4], [13]
Oskar van der Wal PhD Intern 2023-11-06 2023-11-06 AGI organization technical research intern [6], [10]
Annette Chivers Data Engineer 2024-03-13 2024-04-07 AGI organization software engineering [10], [8], [3]
Natalie Chivers Data Engineer 2024-03-13 2024-04-07 AGI organization software engineering [10], [8], [3]
Jacob Hatef HPC Engineer 2024-03-13 2024-04-07 AGI organization software engineering [10], [8], [3]
Zhangir Azerbayev AI for Mathematics 2024-03-13 2026-01-29 AGI organization technical research affiliate [10], [11], [12]
Eugene Cheah RWKV 2024-03-13 AGI organization technical research affiliate [10], [2]
Jason Phang Natural Language Processing 2024-03-13 2024-03-13 AGI organization technical research affiliate [10], [8]
Bo Peng RWKV 2024-03-13 AGI organization technical research affiliate [10], [2]
Logan Riggs Sparse Coding 2024-03-13 2024-04-07 AGI organization technical research affiliate [10], [8], [3]
Naomi Saphra Interpretability Researcher 2024-03-13 2024-03-13 AGI organization technical research affiliate [10], [8]
Naomi Saphra Interpretability 2024-04-07 AGI organization technical research affiliate [8], [2]
Ingyu Seong Korean NLP 2024-03-13 2026-01-29 AGI organization technical research affiliate [10], [11], [12]
David Johnston Interpretability Reseacher 2024-11-19 AGI organization technical research [3], [2]
Sebastian Majstorovic Open Data Specialist 2024-11-19 AGI organization general [3], [2]
Gonçalo Paulo Interpretability Research Volunteer 2024-01-01 2024-06-01 AGI organization technical research volunteer [14]
Gonçalo Paulo Research Intern 2024-06-01 2024-08-01 AGI organization technical research intern [14]
Gonçalo Paulo Interpretability Researcher 2024-09-01 AGI organization technical research full-time [14], [2]
Lucia Quirke Interpretability Researcher 2024-11-19 AGI organization technical research [3], [2]
Adam Scherlis Interpretability Researcher 2024-11-19 2026-01-29 AGI organization technical research [3], [11], [12]
Catherine Arnett Multilingual NLP Researcher 2026-04-05 AGI organization technical research [12], [2]
Louis Jaburi Postdoctoral Research Scientist 2025-04-01 AGI organization technical research postdoc [15], [2]
Jonas Müller Open AI Safety Research 2025-08-01 position technical research part-time [16]
Eric Alcaide Open Source Researcher 2020-12-01 AGI organization technical research full-time [17]
Mohammad Aflah Khan Research Scientist AGI organization technical research [18]
Connor Leahy Board Member 2023-02-27 2024-03-13 AGI organization strategy board member [1], [10], [8]
Colin Raffel Board Member 2023-02-27 2024-04-07 AGI organization strategy board member [1], [8], [3]
Emad Mostaque Board Member 2023-03-15 2024-04-07 AGI organization strategy board member [7], [8], [3]
Stella Biderman Board Member 2024-03-13 2024-04-07 AGI organization strategy board member [10], [8], [3]

Products (0 products)

Name Creation date Description

Organization documents (0 documents)

Title Publication date Author Publisher Affected organizations Affected people Document scope Cause area Notes

Documents (0 documents)

Title Publication date Author Publisher Affected organizations Affected people Affected agendas Notes

Similar organizations

Organization Number of people in common List of people in common
Redwood Research 2 Alex Mallen, Adam Scherlis
AI Safety Camp 2 Louis Jaburi, Jonas Müller
AI Objectives Institute 1 Joel Lehman
OpenAI 1 Joel Lehman
FAR.AI 1 Nora Belrose
Fund for Alignment Research 1 Nora Belrose
Animal Charity Evaluators 1 Jonas Müller
Conjecture 1 Connor Leahy
ControlAI 1 Connor Leahy