
He and a middle-school friend built a GPU company, turned it into an AI coding assistant, then made the editor itself their product. In 2025, the next turn took Douglas Chen to Google DeepMind.

He turned a profitable GPU business into Codeium, then gave the coding assistant its own editor. After Windsurf’s abrupt 2025 split, Mohan took the same question to Google DeepMind: how much of building software can an agent actually do?