James E. Kostas

Researcher, Amazon
Joined
July 2019

Names

James E. Kostas (Preferred)
, 
James Kostas

Emails

****@cs.umass.edu (Confirmed)
, 
****@gmail.com (Confirmed)

Personal Links

Career & Education History

Researcher
Amazon (amazon.com)
2024 – Present
PhD student
University of Massachusetts, Amherst (umass.edu)
2017 – 2025
Intern
Sony AI (sony.com)
2023 – 2024

Advisors, Relations & Conflicts

Coauthor
Georgios Theocharous
2021 – Present
Coauthor
George Konidaris
2021 – Present
Coauthor
Martha White
2020 – Present
PhD Advisor
Philip Thomas
2017 – Present

Expertise

LLMs
2024 – Present
NLP
2024 – Present
Reinforcement Learning
2017 – Present
Stochastic Networks for Reinforcement Learning
2017 – Present

Publications

Co-Authors