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Executive Leadership

Organization and Management

Bill Thomsen, Chief Executive Officer

I began my career with RSBCIHI in February 1996 as a temporary Property and Supply Clerk for several months before being hired to that permanent position. I then served as the Materials Management Officer for about three years. From there, the position of Quality Management Coordinator became available and I received a promotion to work in that capacity . Since February 2006, I have been honored to serve as RSBCIHI’s Chief Operations Officer under the leadership of the CEO. My educational background includes a Bachelor of Science Degree in Business Management from the University of Maryland and a Master’s Degree in Health Administration from the University of La Verne.

Dr. Gabriel Ramirez DHA, MPA, Chief Operating Officer

Dr. Gabriel Ramirez, DHA, MPA, is nationally recognized for his work with non-profit agencies and through his work with government and business groups. Dr. Ramirez is a recipient of The President’s Volunteer Service Award (Barack Obama), and previously recognized by over 30 local, State, and Nationally elected officials. Dr. Ramirez is a dual alumnus from California State University San Bernardino where he obtained his Bachelor of Science in Health Administration and his Master of Public Administration. Dr. Ramirez attended Capella University in Minneapolis, MN, where he completed his Doctor of Health Administration. In addition to his current position, he serves as a long-standing fiduciary board member at Community Hospital San Bernardino, A Dignity Health/Common Spirit hospital.

Mo Zayed, Chief Financial Officer

Mo Zayed has over two decades of experience as a financial leader, primarily working in the healthcare technology sector. Mr. Zayed has experience in multiple areas of finance, including strategic finance, treasury, risk management, accounting compliance, budgeting and planning, M&A and systems implementation. Prior to serving as RSBCIHI’s CFO, Mr. Zayed was a finance executive and CFO responsible for multiple entities ranging from startups to publicly traded companies. During his tenure with Cerner Corporation, he also served as Cerner’s Board of Directors representative at the American Pharmacy Alliance. Earlier on in his career, Mr. Zayed worked as a CPA for RSM, a leading national accounting firm. Mo earned a Bachelor of Arts Degree in Economics from Claremont McKenna College and an MBA in Finance and Information Systems from Case Western Reserve University.

Information Technology Director

I have been the Director of Information Technology for Riverside San Bernardino County Indian Health since 1996. My experience is in Strategic Planning, Organizational leadership, and planning. Implementation of Practice Management and Electronic Health Records, Cybersecurity, Infrastructure design and development. Health Information Management, Patient Services and Registration, Implementation of Telecommunications, Telemedicine, Utilization Review. HIPAA Privacy and Security Laws. My career has spanned over three decades including Executive Staff – Senior Level management roles for healthcare organizations including inpatient and outpatients’ medical centers.

Dr. Philip Farabaugh, Clinical Services Director


Ciera Espinoza, Human Resources Director