AI talent shifts accelerate as OpenAI poaches from competitors

Yesterday, three top executives abruptly departed Thinking Machines Lab, an AI research laboratory led by Mira Murati. The three executives were quickly hired by OpenAI. This transition appears to be part of a larger wave of departures from Murati’s laboratory. According to reporting from Alex Heath, two more employees from Thinking Machines Lab are expected to leave the organization to join OpenAI in the coming weeks, suggesting that the talent pipeline between the two entities remains active as OpenAI continues to recruit from its competitors.

While OpenAI is recruiting from Thinking Machines Lab, it is simultaneously losing personnel to competitors. Anthropic continues to recruit alignment researchers—defined as researchers focused on ensuring AI systems behave in accordance with human intent—from OpenAI. The Verge reported that Andrea Vallone, a senior safety research lead at OpenAI, has left the company to join Anthropic. At OpenAI, Vallone specialized in how AI models respond to mental health issues. This area of research is highly sensitive for OpenAI following its recent “sycophancy problems.” Sycophancy refers to a behavior in AI models where the model tends to agree with the user’s stated opinion rather than providing objective information. At Anthropic, Vallone will work under alignment researcher Jan Leike, who departed OpenAI in 2024 over concerns that the company was not taking safety seriously enough. Leike’s previous departure had already highlighted safety concerns at OpenAI, and Vallone’s exit to join his team at Anthropic suggests those safety-related talent shifts are continuing.

In addition to these executive and safety research shifts, OpenAI has secured another key hire from the broader tech sector. Max Stoiber, the former director of engineering at Shopify, is joining OpenAI. Stoiber will work on OpenAI’s long-rumored operating system. In describing his new role, Stoiber stated that he will be working within a “small high-agency team.” In this context, a high-agency team refers to a group or individual with high autonomy and the capability to execute tasks. Stoiber’s transition from Shopify to OpenAI highlights the company’s efforts to recruit engineering talent for its software projects.

Why it matters

The rapid movement of top talent between major AI labs underscores the intense competition for personnel in the sector.