Foundations of Post-training

A COLT 2025 workshop
June 30th, 2025 in Lyon, France

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Welcome to the homepage of the first workshop on the Foundations of Post-training (FoPt 2025). FoPt is located at COLT 2025 and will be organized in the beautiful city of Lyon, France on the 30th of June, 2025. This workshop seeks to explore the theoretical and practical aspects of the post-training of LLMs, across a diversity of domains and abstractions. The workshop aims to bring together experts from diverse fields including theoretical reinforcement learning, optimization, statistical learning theory, as well as more empirical directions, to identify critical research opportunities.

As a part of FoPt 2025, we invite abstract submissions to a single non-archival track. See our call for abstracts for more details. The submission deadline is Wednesday, May 21st, 2025.

Workshop details

Date: Monday, 30th June, 2025, 1:30pm to 4:30pm CET
Location: (Mérieux Amphitheater, ENS Lyon)
Schedule:

Time Activity
1:30pm to 1:35pm Opening Remarks
1:35pm to 2:15pm Invited talk 1 (Samy Jelassi)
2:15pm to 2:55pm Invited talk 2 (Sadhika Malladi)
2:55pm to 3:35pm Invited talk 3 (Csaba Szepesvári)
3:35pm to 4:30pm Posters and coffee break


Invited Speakers

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Csaba Szepesvári

University of Alberta & Deepmind

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Sadhika Malladi

Princeton University

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Samy Jelassi

Harvard University



Organizers

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Adam Block

Columbia University

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Dylan Foster

Microsoft Research

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Audrey Huang

University of Illinois Urbana-Champaign

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Akshay Krishnamurthy

Microsoft Research

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Nived Rajaraman

UC Berkeley

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Ayush Sekhari

MIT