← Back to PeopleFTResearcherFoivos TsimpourlasResearch Scientist at OpenAILinkedInFoivos Tsimpourlas is a researcher at OpenAI who worked there for three years before moving to Reflection AI.1Mentions1Articles1OutletsCompanies CoveredOpenAI1ArticlesMost recent firstMentioned InReferenced in coverageReinforcement learning towards broadly and persistently beneficial modelsOpenAIpositiveJun 19, 2026“Co-author on OpenAI's reinforcement learning research for beneficial model behavior.”