CISO UnitedHealth Care and Sr. Vice President at Optum
Gretchen Block began her professional journey at John Deere HealthCare in 1995 with roles in IT Asset Management, Computer Operations,and Security. Gretchen joined UnitedHealth Group in 2006, as part of the acquisition of John Deere Healthcare with UnitedHealth Group. With Optum she has been a part of the Enterprise Security organization, working specifically with risk governance, compliance, and threat management in support of the broader cybersecurity program. Currently, Gretchen leads the enterprise policy and risk governance teams, including security oversight for the enterprise supplier base. Gretchen has become a global leaders at Optum|UnitedHealth Group driving technology risk management across business towners and geographies.