Delta Dental of California has named Sarah Chavarria to succeed Mike Castro as its CEO Jan. 1, 2024.
Castro, who has been the CEO of the San Francisco-based nonprofit since 2019, will become the chairman of its board.
Delta Dental of California provides or administers dental coverage for 45 million U.S. residents, or about 14% of all Americans, both through its California plan and through affiliates in New York, Pennsylvania and other states.
Chavarria has been the organization's president since 2022. Before that, she was its chief people officer.
The organization generated about $4.5 billion in revenue in 2021 and had $4.3 billion in assets, according to the most recent available annual report.