Dali Rajic, most recently president and COO of Google-owned cybersecurity company Wiz will be the new COO.

Denise Dresser's sudden departure could be a major blow to OpenAI as it pursues a blockbuster IPO.

OpenAI is replacing its first-ever CRO Denise Dresser with Dali Rajic from Wiz as the company pushes enterprise revenue toward 50% of total

Dali Rajic will take over as OpenAI's top salesperson.

Denise Dresser will be pursuing “other opportunities.”