In a blog post, Mr. Altman, who was rapidly reinstated last week, also outlined his priorities for OpenAI as he retakes the reins of the high-profile artificial intelligence start-up.
He added that its board would focus on improving governance and overseeing an independent review of the events that led to and followed his removal as chief executive.
Microsoft expands a three-person board that OpenAI announced last week.
Microsoft will be able to participate in OpenAI’s board meetings but not vote on business decisions.
“Part of what good governance means is that there’s more predictability, transparency and input from various stakeholders, and this seemed like a good way to get that from a very important one,” Mr. Altman said in an interview, referring to Microsoft.
OpenAI, Sam Altman, Altman, Mr