Joel Hellermark

Chief AI Officer

Joel Hellermark is Chief AI Officer at Workday and leads Sana at Workday. He began his AI research career at age 13 and founded Sana at 19, scaling it to millions of users before the company was acquired by Workday in 2025. Joel also invests in applied AI startups, including early investments in Legora, Lovable, and CuspAI.