Our C-Suite

CenCal is guided by a team of individuals diverse in their healthcare, Medi-Cal, and leadership experience, but united in a single goal: being a national model of health care delivery, recognized for excellence in care and service, through improving the quality of healthcare in the Santa Barbara and San Luis Obispo County communities.

Marina Owen, Chief Executive Officer


CEO of CenCal Health, Marina Owen is an accomplished leader who is responsible for the overall strategic direction, management, and administration of programs and services while ensuring that CenCal Health fulfills its mission, goals and objectives. She is only the fourth CEO in the organization’s nearly four decades. Prior to her executive appointment at CenCal Health, Owen attained more than 15 years of health plan management experience. She most recently served as the Chief Operating Officer at Central California Alliance for Health, based in Scotts Valley. There, she successfully led enterprise-wide operations and was responsible for the executive leadership of member services, claims, project management, provider services, grievance, process improvement, and regional operations.

Owen has long-standing knowledge of CenCal Health’s line of business and the communities it serves. Her prior experience working for the organization took place from 2008 to 2017, when she rose through the ranks to her final position as the director of Provider Services and Community Engagement.

As a University of California Santa Barbara (UCSB) alum, Owen holds a Bachelor of Science degree in Biology/Biological Sciences; and furthered her training at UC Berkeley through the Executive Leadership Program.

Paul Jaconette, Chief Operations Officer

paulPaul Jaconette joined CenCal Health in August 2011 coming from Sansum Clinic, the largest nonprofit, multi-specialty healthcare organization between Los Angeles and San Francisco. He oversaw the operations of 18 locations, 200 healthcare providers, and 1000 employees, and was employed there for 18 years.

Mr. Jaconette is active in our community and a member of professional associations. He serves on the boards of the California Association of Physician Groups, Santa Barbara Neighborhood Clinics, Santa Barbara Region Chamber of Commerce, and the Goleta Valley Chamber of Commerce. He is also an active member of the Medical Group Management Association, American College of Medical Practice Administrators, and the Rotary Club of Santa Barbara. 

Mr. Jaconette earned a Bachelor of Arts degree from the University of California, Santa Barbara (UCSB), and a Master of Health Care Administration degree from Yale University, New Haven, CT. He completed an Administrative Fellowship at Intermountain Healthcare in Salt Lake City, UT.

David Ambrose, Chief Financial Officer

davidDavid Ambrose holds a Bachelor of Arts degree in Economics/Mathematics from the University of California, Santa Barbara (UCSB), and is a Certified Public Accountant licensed in the state of California. He is a member of the California Society of CPA's and of the Healthcare Financial Management Association. 

Before joining CenCal Health, Mr. Ambrose's healthcare career included being a Medicare auditor responsible for determining Medicare reimbursement to individual hospitals and the Controller of Verdugo Hills Hospital in Glendale, CA. Outside CenCal Health, Mr. Ambrose is active in endurance sports, such as marathons and triathlons, and has finished multiple Ironman Triathlons, and a 50 mile trail ultramarathon. He is married with two young daughters.

Bill Cioffi, Chief Information Officer


Bill Cioffi joined CenCal Health as the Chief Information Officer in August 2019. In his new role, Mr. Cioffi is responsible for providing leadership and vision for the IT department. With more than 25 years of Information Technology experience in health care, public safety, and military systems, he brings a valuable mix of technology and leadership to his role. In addition to leading CenCal Health in their quest to deliver quality service to their members and providers, Mr. Cioffi volunteers for the College of Information Management Healthcare Executive’s national Opioid Task Force and is currently co-chair of the Education Sub-Committee.

Prior to his tenure at CenCal Health, Mr. Cioffi served as the CIO for North Sonoma County Healthcare District, Sacramento/Sierra Regional Operations Manager for Sutter Health, IT Infrastructure Manager for Radiological Associates of Sacramento, and CIO for 95th Security Forces at Edwards AFB. Mr. Cioffi earned his Master’s degree from California Lutheran University, Thousand Oaks, CA, in Public Policy and Administration. He is also a Certified Healthcare Chief Information Officer (CHCIO) from the College of Information Management Healthcare Executives.

Amanda Flaum, Chief Health Operations Officer

amanda flaun

Amanda Flaum joined CenCal Health on January 10, 2022 as the Chief Health Operations Officer (CHOO), partnering with the organization’s physician leaders and its community providers to support medical management, pharmacy, whole child model and behavioral health teams. Amanda brings over 25 years of experience in the healthcare industry leading large, complex organizations, driving mission-critical strategic imperatives, and building high performing teams.

Prior to joining CenCal, Amanda provided strategic and operational consultation and advisement to healthcare organizations as an independent consultant. Previously, she was Chief Executive Officer at Aetna Better Health of California, where she was responsible for P/L, plan operations, and growth strategy. Prior to this, Amanda was with Blue Shield of California where she first held the role of Vice President of Medical Care Solutions, responsible for medical management, clinical programs and operations. She then went on to serve as Chief Operating Officer at Blue Shield Promise (formerly Care1st Health Plan), responsible for plan operations and the integration of the organization into Blue Shield. Amanda spent the early years of her career at Anthem, Inc. advancing within the organization to the role of Staff Vice President Care Management, responsible for enterprise clinical operations.

Amanda is a Southern California native and holds a master’s degree in Family and Consumer Sciences and a Bachelor of Arts in Sociology from the California State University, Northridge

Karen Kim, JD, MPH, Chief Legal and Compliance Officer

karen kimKaren Kim has more than 15 years of health care law experience with an emphasis on Medi-Cal, Medicare, and the Affordable Care Act, as well as Contract Law and Public Law.

Mrs. Kim comes to CenCal Health from the Henry Mayo Newhall Hospital in Valencia, CA, where she was the Compliance Officer and Director of Risk Management. Prior to this, she was with L.A. Care Health Plan in Los Angeles – the largest publicly operated health plan in the U.S. At L.A. Care, she had roles in both the Enterprise Integration department and Legal Services department.

Mrs. Kim holds a Juris Doctor degree from Loyola Law School and has a Master of Public Health, Health Policy from UCLA’s School of Public Health. She has served in leadership roles for Women in Health Administration of Southern California, and the California Health Care Foundation. Mrs. Kim is a member of the American Health Lawyers Association and the American Bar Association, Health Law section. She is a sought-after public speaker on the subject of healthcare and compliance.

Chris Morris, Chief Performance Officer

chris morris

Chris Morris joined CenCal Health as its Chief Performance Officer (CPO) on January 4, 2022 to focus on operational excellence and strategic advancement. In this capacity, Mr. Morris develops and enhances the use of process improvement, process management, organizational development, and strategic planning and execution disciplines to CenCal Health. Emphasis on these disciplines, which build on the established strength and success of CenCal Health, supports the organization’s commitment to serving our members, providers, community and regulatory partners well, as the Medi-Cal program transforms.

Prior to joining CenCal Health, Mr. Morris served as Director of Operational Excellence at Central California Alliance for Health, where he also held positions in Quality Improvement and Compliance, and served as the Administrator and Director of Programs at a community-based behavioral health organization. Morris holds a Bachelor of Arts degree in Psychology, and a Master of Science in Organizational Development from the University of San Francisco.