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Mark Diel

Chief Executive Officer

As CEO of NAHAA and CCHI, Mark is responsible for the strategic and day-to-day management of NAHAA and its staff. Prior to leading NAHAA and CCHI, he spent 9 years as Executive Director and CEO of Children’s Health Initiative Napa County where he developed the first nonprofit insurance brokerage firm in California serving individuals and families. He built a county-wide collaborative of 42 agencies and guided Napa County into a leadership role at the state level, working to provide affordable health insurance to everyone in California, regardless of race, ethnicity, or family income. Prior to his work in Napa County, he managed public health programs in Yolo County, including the Women, Infants, and Children Program. He also developed mobile medical, dental, and optometric clinics based in schools and community centers, and a health promotora program in Los Angeles. Mark holds a Bachelor’s degree from the California Polytechnic State University, San Luis Obispo, and Master of Public Health degree from the University of Hawaii.