HCSC Leadership Team


David J. Lesar

Board Member and Interim CEO, Health Care Service Corporation (HCSC)

Dave Lesar is a board member and interim CEO of HCSC, the nation’s largest customer-owned health insurer. He joined HCSC’s board of directors in 2018 because of his strong belief in helping people gain access to quality, affordable health care.

A Wisconsin native, Lesar began his career in 1978 with Arthur Andersen, where he spent 16 years as a certified public accountant in its Dallas office and Chicago headquarters. Lesar then spent 25 years in the energy industry, including 17 as a CEO.

Over his nearly 40 years in business, Lesar has served on the boards of Cordant Technologies, Southern Company, Mirant, Lyondell Chemicals, Agrium and PetroStar Services.

Lesar holds a bachelor’s and an MBA from the University of Wisconsin-Madison.