As CEO of CalOptima Health, Michael Hunn leads Orange County’s largest health plan, serving nearly one in three residents. A longtime local leader, Michael has redefined what it means to care for a community—redirecting billions toward prevention, housing, and whole-person solutions. Under his leadership, CalOptima Health has prioritized the very residents United Way serves, strengthened the safety net, and built powerful coalitions that deliver real results. His belief that housing is health aligns deeply with our mission, and his impact is felt across every corner of Orange County.