# OpenAI’s revenue chief just said the quiet part out loud about Microsoft - slug: openais-revenue-chief-just-said-the-quiet-part-out-loud-about-microsoft - date: 2026-04-13 - category: Artificial Intelligence In a staff memo, Denise Dresser acknowledged that Microsoft’s partnership ‘limited’ OpenAI’s ability to reach enterprise customers through AWS Bedrock — the first internal confirmation of a constraint that Microsoft itself flagged in its own annual filing. ---