With his showbiz style and fundraising glitz, CEO Sam Altman overshadows all other big names on the firm’s roster. That responsibility falls to OpenAI’s twin heads of research—chief research officer Mark Chen and chief scientist Jakub Pachocki. I also wanted to get a sense of where their heads are at in the run-up to OpenAI’s biggest product release in months: GPT-5. An EPA rule change threatens to gut US climate regulationsThe mechanism that allows the US federal government to regulate climate change is on the chopping block. This might sound like an obscure legal situation, but it’s a really big deal for climate policy in the US.