About Us


  • Mark Diel
    Mark Diel

    Executive Director and CEO

    Mark comes to CCHI after 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 developed mobile medical, dental, and optometric clinics based in schools and community centers, and a Health Promatora program in Los Angeles. Mark holds a Master of Public Health degree.

  • Maria Romero-Mora
    Maria Romero-Mora

    Director of Programs

    Maria Romero-Mora joined CCHI as Project Coordinator of the Connecting Kids to Coverage Project, a national campaign through the Centers for Medicare & Medicaid Services, for which she manages the collaboration, program management, and evaluation of partner organizations based in 7 counties. Maria has ample experience in health insurance education and enrollment having started as a Certified Application Assistance (CAA) in Yolo County in 2007 with the local Community Health Initiative (CHI). Her work included direct engagement with migrant populations to identified safety net resources, health coverage enrollment, and the development of safety net programs. Maria is bilingual, bicultural and writes Spanish fluently. She received her B.A. in Community and Regional Development from the University of California, Davis. Maria is a certified enrollment counselor (CEC).

  • Yaomee Xiong

    Grants & Contracts Manager

    Yaomee Xiong joined CCHI as the Contracts and Grants Manager providing infrastructure to managing activities relating to Member Contracts and Grants. She has 3+ years working with under served and underrepresented communities through the social service non-profit sector at a direct staff and supervisory level. Yaomee graduated from the University of Wisconsin- Milwaukee with a Bachelor of Science in Health Care Administration and a Bachelor of Art in Political Science. She is a transplant from Minneapolis, MN. In her free time Yaomee loves exploring nature and trying different ethnic food.

  • Frank Robles

    Program Coordinator

    Frank R. Robles is currently working as Program Coordinator for the Medi-Medi program. He comes to CCHI with over 13 years of experience working with grass roots community based non-profit organizations in local and greater Sacramento area. Frank has a standing with the community working with youth/adults of various economic/gender/social backgrounds. Having himself established into the community as bilingual youth gang counselor, AOD (Alcohol and Other Drugs) counselor, Dual-Diagnosis Counselor, Co-occurring Counselor, certified Domestic Counselor, certified Batterer’s Intervention Programs specialist, Hep C trainer and facilitator, and Family Service Coordinator. Continuing to inspire to work in vast array of modalities with people in the community to ensure continuum of care. In inclusion, to having had some ties with local Boys and Girls Club of Greater Sacramento as Education and Technology director. Frank is certified bilingual (Read/Write/Speak) through Language World. He has B.A. in Behavioral Science with an emphasis in Ethnic Studies and a minor in Business Administration from California State University of Sacramento. Obtained a certification as an MHRS (Mental Health Rehabilitation Specialist in the State of California).

  • Ema Perez

    Program Coordinator

    Ema Perez was hired in March 2020 as a Program Coordinator with California Coverage and Health Initiatives (CCHI). Ema comes aboard with excellent professional skills and qualities. She recently relocated to California from Wisconsin. She brings great management skills and attributes from Wisconsin where she was a case manager in the Child Support Agency (CSA) and handled a complex caseload of nearly 1,300 cases. Through the CSA, Ema followed the Department of Families and Children rules, policy, procedures, and state regulations from 01/2016 to 02/2020. Prior to 2016, Ema worked for Yolo County Department of Employment and Social Services as an Administrative Assistant for 4 years. While employed with Yolo County, she gained experience and knowledge in working with Cal-Fresh, Medi-cal, Cal-Works, and Healthy Families programs where she had direct contact with the public. Ema is bi-lingual in Spanish and English. She received her A.A in Administration of Justice from Woodland Community College and transferred to California State University of Sacramento for her bachelor’s in Social Work. On Ema’s free time, she enjoys spending time with her husband and my 4 children doing outdoor activities, watching movies, and going to church. Ema also enjoys cooking new recipes for our extended family. Now that our children are teenagers, our family plans on exploring and traveling the World.