Sean Atha

Sean Atha is the Senior Vice President of CalAIM Initiatives and Community Health Integration at Vivant Health, where he drives innovative strategies to improve healthcare access for underserved communities. With over 30 years of experience in Medi-Cal Managed Care, he has played a pivotal role in fostering community health coalitions and forging strategic partnerships. His leadership has helped Vivant Health expand into new and innovative product lines, positioning the organization as a key influencer in state and national healthcare policy.

Throughout his career, Sean has managed Medicaid programs for major organizations like Anthem and Health Net, influenced statewide provider network designs, and shaped access standards regulations at the California Department of Health Care Services. He has served on numerous advisory committees within DHCS and DMHC, serves on the Executive Committee for the California Quality Collaborative, and helps lead the Medi-Cal Forum for America’s Physician Groups. Sean holds a Master’s in Health Administration from the University of Southern California and a Bachelor of Arts in Politics, Legal Studies, and Economics from the University of California, Santa Cruz.