Bohan Zhang is a member of the technical staff at OpenAI. Prior to joining OpenAI, he co-founded OtterTune, a startup specializing in automatic database tuning services. He has also been a speaker at various PostgreSQL conferences, including PostgresConf 2024 and PostgresConf Silicon Valley 2023. He also co-authored with Prof. Andy Pavlo the article "The Part of PostgreSQL We Hate the Most," which critically examines PostgreSQL's implementation of MVCC, and is cited in the PostgreSQL's Wikipedia page.