Former Members and Long-Term Visitors
- Simon Albrecht (2016)
- Matthieu Arfeux (2012, 2014-2016)
- Caroline Arvis (2012)
- Artur Avila (1999, 2001, 2008, 2009, 2019)
- Pavel Bachurin (2008 - 2010)
- Eric Bedford (2009, 2013-2024)
- Michael Benedicks (2007)
- Pierre Berger (2007-2008, 2012)
- Francois Berteloot (2013)
- Ilia Binder (2012)
- Christopher Bishop (1991-1992)
- Kingshook Biswas (2005-2006)
- Alexander Blokh (1990, 2016)
- Araceli Bonifant (2001- current)
- Sylvain Bonnot (2005-2008)
- Joshua Bowman (2009-2012)
- Philip Boyland (1991-1995)
- Melkana Brakalova (2002-2003)
- Shimon Brooks (2009-2012)
- Xavier Buff (2001, 2012)
- Lennart Carleson (2000)
- Clinton Curry (2009 - 2011)
- Andre de Carvalho (2000 - 2002)
- Reza Chamanara (2006 - 2007)
- Moira Chas (2002-2003, 2008)
- Arnaud Chéritat (2009, 2013)
- Trevor Clark (2016)
- Sylvain Crovisier (2024, 2025)
- Predrag Cvitanović (1989)
- Nguyen-Bac Dang (2018-2021, 2025)
- Andre Salles De Carvalho (2003)
- Caroline Davis (2025 - current)
- Laura DeMarco (2009, 2016)
- Dmitry Dolgopyat (2009, 2012)
- Fabrizio Donzelli (2009-2011)
- Adrien Douady (1991)
- Kostiantyn Drach (2019, 2020, 2024, 2025)
- Artem Dudko (2012 - 2016)
- Dzmitry Dudko (2012-2014, 2017-2021)
- Romain Dujardin (2010)
- Christophe Dupont (2022, 2024, 2025)
- Akhtam Dzhalilov (2011 - 2012)
- Adam Epstein (1995-1998, 2009, 2013)
- Alena Erchenko (2019, 2022, 2023, 2024, 2025)
- Alexandre Eremenko (2013)
- Nuria Fagella (2014)
- Hershel M. Farkas (1999 - 2000)
- Tatiana Firsova (2009, 2011-2014, 2021, 2023, 2024)
- Albert Fisher (1993-1995)
- Thomas Gauthier (2012-2013)
- Andriy Gogolyev (2011, 2014)
- Michael Goldstein (2014)
- Christophe Golè (1991-1995)
- Jacek Graczyk (1993)
- Rostilav Grigorchuk (2020)
- Suzanne Hruska (Boyd) (2002-2003)
- Nils Hemmingsson (2023, 2025 - current)
- John H. Hubbard (2009, 2014, 2016)
- Zair Ibragimov (2024)
- Hiroyuki Inou (2009)
- Yutaka Ischii (2025)
- Yunping Jiang (1990-1992)
- Svetlana Jitomirskaya (2011)
- Leo P. Kadanoff (2000)
- Jeremy Kahn (1998-2010, 2020, 2022, 2024)
- Vadim Kaimanovich (2000)
- Alex Kapiamba (2023, 2024)
- Christina Karafyllia (2020-2022)
- Anatole Katok (2011)
- Linda Keen (2012)
- Kostantin Khanin (2009, 2012, 2021)
- Boris Khesin (2012)
- Kyounghee Kim (2011, 2024)
- Alexandre Kirillov Sr (2021 - 2025)
- Bruce Kitchens (2003-2004)
- Jan Kiwi (2005, 2023)
- Victor Kleptsyn
- Sarah Koch (2009, 2013)
- Raphael Krikorian (2024)
- Gregory Lawler (2012)
- Marco Lenci (1999-2001)
- Zhiqiang Li (2015-2019, 2023)
- Yuri Lima (2024)
- Carlangelo Liverani (1992-1993)
- Andrew Lobb (2009-2011)
- Russell Lodge (2016-2018, 2023)
- Luna Lomonaco (2013)
- Yusheng Luo (2019-2023)
- Peter Makienko (2009)
- Fedor Malikov (2003)
- Stefano Marmi (2022 - current)
- Marco Martens (1992-1998, 2009-2010)
- Vanessa matus de la Parra (2024 - current)
- Mikhail Mazin (2011-2013)
- Jacob Mazor (2025)
- Marco Mazzucchelli (2024)
- Welington de Melo (1997, 1999, 2000)
- Sergiy Merenkov (2010- current)
- Yair Minsky (1993-1994, 2005)
- Gerard Misiolek (2021, 2025)
- Babak Modami (2017-2021)
- Grigori Monakov (2024)
- Yoav Moriah (1994-1995)
- Mikhail Movshev (2016)
- Sabyasachi Mukherjee (2015-2019, 2020, 2021, 2022, 2025)
- Volodymyr Nekrashevych (2009; 2024)
- Hongming Nie (2021-2024)
- Tomasz Nowicki (1994, 2012)
- Dimitrios Ntalampekos (2018-2021)
- Yusuke Okuyama (2023)
- Fedor Pakovich (2024-2025)
- Liviana Palmisano (2019, 2022)
- Insung Park (2023 - current)
- Gregory Perelman (Fall 1993, 2003)
- Ricardo Perez-Marco (1998)
- Han Peters (2010-2011, 2019)
- Carsten Lunde Petersen (2016, 2019)
- Anton Petrunin (1997 - 1998)
- Anthony Phillips (1989 - present)
- Kevin Pilgrim (2006, 2013, 2023)
- Michael Polyak (2002 - 2003)
- Feliks Przytycki (1991-1992)
- Enrique Pujals (2009, 2014, 2025)
- Remus Radu (2009, 2013-2017)
- Julio Rebelo (2000)
- Mary Rees (1991)
- Lasse Rempe (1999-2002, 2005, 2008, 2009, 2018, 2022, 2023)
- Ana Rechtman (2013)
- Nicolai Reshetikhin (2003)
- Thomas Richards (2024)
- John W. Robertson (2000 - 2002)
- Roland Roeder (2008-2009)
- Maria Sabitova (2015-current)
- Supun Samarakoon (2021-2022)
- Duncan Sands (1997-1998)
- Dragomir Saric (2004-2006)
- Vadim Schechtman (2003)
- Dierk Schleicher (1994, 1997, 2012, 2021, 2024)
- Paul Schweitzer (2000)
- Tom Sharland (2012-2015)
- Nikita Selinger (2011 - 2015, 2019, 2022)
- Caroline Series (1990, 2000)
- Thomas Sharland (2013 - 2015)
- Mitsuhiro Shishikura (1990-1991, 1998, 2009)
- Santiago Simanca (1990, 2002)
- John Smillie (2009, 2013, 2024)
- Stanislav Smirnov (2001)
- Boris Solomyak (2019, 2020)
- Gregory Swiatek (1989-1994)
- Alexander Stolin (2022)
- Sebastian van Strien (1993, 2009
- Johan Taflin (2011)
- Raluca Tanase (2009, 2012-2017)
- Folkert Tangerman (1989, 2009)
- Dylan Thurston (2016, 2024)
- Vladlen Timorin (2004-2007, 2011, 2015)
- Serge Troubetzkoy (1993-1995)
- Boris Tsygan (2003)
- Eva Uhre (2009, 2012-2013, 2017)
- Peter Van Nieuwenhuizen (2003)
- Edson Vargas (1991-1992)
- J.J.P. Veerman (1990, 2013, 2016, 2018, 2024)
- Anatolii Vershik (1996, 2000, 2012)
- Alexander Voronov (2003)
- James Waterman (2021-2024)
- Barak Weiss (1998 - 2000)
- Michael Yampolsky (2009, 2012, 2014, 2017, 2019, 2021, 2023)
- Jonguk Yang (2017-2022; 2024, 2025)
- William Yessen (2013)
- Jean-Christophe Yoccoz (1993, 2009)
- Saeed Zakeri (Spring 2015)
- Runze Zhang (2024 - current)
- Yongquan Zhang (2022- 2025)
- Zhiyuan Zhang (Fall 2023)
- ShengYuan Zhao (2020-2022)
- Peter Zograf (2003)
- Vladimir Zorich (1998)