Meet Our Administration

Click on their names below to learn more about our team.

Rob Curry
President & Chief Executive Officer
Citrus Valley Health Partners

William T. Choctaw, M.D., JD
Chief Transformation Officer
RPI/LSS Deployment Leader
Citrus Valley Health Partners

Tracy Dallarda, MPH
Chief Communications Officer
Citrus Valley Health Partners

Paul Heredia
Chief Human Resources Officer
Citrus Valley Health Partners

Martin Kleinbart, DPM, MBA
Chief Strategy Officer
Citrus Valley Health Partners

Karen Knueven RN, MSN
Chief Nursing Officer
Citrus Valley Health Partners

Jill Plesh, Esq., MHA, CHC
Chief Legal Officer and General Counsel
Citrus Valley Health Partners

Jorge Reyno, MD
Chief Population Health Officer
Citrus Valley Health Partners

Roger Sharma, CPA, MBA
Chief Financial Officer
Citrus Valley Health Partners

Joe Zanetta, JD
Chief Executive Officer
Citrus Valley Health Foundation

Mary Zimmer
Chief Clinical Services Officer
Citrus Valley Health Partners


Robert Curry
Rob has been the president and chief executive officer of Citrus Valley Health Partners since November 2008. He joined CVHP after serving in the same capacity for five years at O'Connor Hospital in San Jose, Calif. Before coming to O 'Connor Hospital, Rob was CEO of Thunderbird Medical Center, a 440-bed Banner Health System hospital in Phoenix, Ariz., for 13 years. During four of those years, he also served as CEO of Maryvale Samaritan Medical Center, a 340-bed community hospital that was an affiliate within the Banner Health System. Rob also has held executive positions with hospital systems in Youngstown, Ohio, and Pittsburgh, Pa.

Rob is currently a Fellow in the American College of Healthcare Executives. He is also a member of the board of the American Hospital Association, Region 9, and an ex-officio participant of the board of the California Hospital Association. He is a past board member of the Hospital Association of Southern California and, while in San Jose, served as a board member and Chair of the Northern California Hospital Association. Additionally, while in Phoenix, Rob served on the board of the Arizona Hospital Association.

Throughout his career, Rob has been involved in numerous service organizations and community boards including: the American Heart Association, United Way, YMCA and Rotary International. Rob holds a bachelor of arts degree in economics and a master's degree in public health administration, both from the University of Pittsburgh.

William Choctaw, M.D., JD
Dr. Bill Choctaw has been the Chief Transformation Officer of Citrus Valley Health Partners since May 2014. Prior to being appointed CTO he has served as a member of the medical executive committee at Citrus Valley Medical Center for 10 consecutive years. During that time he held many medical staff positions including, Chief of Staff and Chief of Surgery. As CTO he is responsible for the Robust Process Improvement (RPI) as part of an on-going system-wide initiative to dramatically improve the efficiency of our internal operations, increase patient satisfaction, and ensure that patient care at CVHP is consistently excellent and consistently safe.

Dr. Choctaw is a graduate of the Yale University School of Medicine. He also has earned a Law Degree from Western University College of Law. He is a member of the Clinical Faculty at University of Southern California School of Medicine. Dr. Choctaw continues to practice general surgery daily in Covina California.


Tracy Dallarda
Tracy joined Citrus Valley Health Partners in 2010 and serves as the Chief Communications and Advocacy Officer. Tracy has more than 20 years experience in health care communications, marketing and strategic planning. She previously served as VP of Marketing & Public Relations for Riverside Community Hospital in Riverside, Calif. She has also held positions with Loma Linda University Medical Center, Dignity Health and Tenet California Healthsystems. Tracy has a Masters in Public Health Administration from Loma Linda University and served as a Peace Corps volunteer in Central Asia.

Paul Heredia
Paul Heredia is the Chief Human Resource Officer for Citrus Valley Health Partners. Paul came to the CVHP family from Providence Holy Cross Medical Center where he served as Director of Human Resources. His nearly 20 years of experience has given him a vast understanding of people management within the hospital, health plan and medical group environments. Paul has developed exceptional employee care strategies that resulted in collaborative, aligned partnerships with the management team, employees and physicians. Paul received his bachelor’s degree in business administration/human resources from California State Polytechnic University and completed an executive management business program from University of California Los Angeles.

Martin Kleinbart, DPM, MBA
Dr. Martin Kleinbart is the Chief Strategy Officer at Citrus Valley Health Partners. He has more than 20 years experience in health care as a provider, hospital executive and consultant. Dr. Kleinbart previously held a senior planning and business development executive role at Hoag Hospital in Newport Beach where he led organizational initiatives for physician partnership and development, including building joint ventures, and developing service lines. Dr. Kleinbart is also active in volunteer activities in his community and is a board member of the Alzheimer's Family Services Center in Huntington Beach.

Karen Knueven RN, MSN
Karen is the Chief Nursing Officer for Citrus Valley Health Partners. She began her career with CVHP November, 2014 as the Chief Nursing Executive for Inter-Community Hospital and will continue to serve in this role, in addition to her new responsibilities as CNO. Karen has decades of nursing leadership experience. Before joining CVHP, she served as the Chief Nurse Executive for several southern California hospitals including, Olympia Medical Center in Los Angeles, Kaiser Baldwin Park and Verdugo Hills Hospital. Karen received her MSN from California State University, Dominguez Hills.

Jill Plesh, Esq. , MHA, CHC
Jill Plesh is the Chief Legal Officer and General Counsel at Citrus Valley Health Partners. Jill’s current role also includes oversight of the Risk Management, Compliance, Privacy, Safety, Security and Patient Transport departments. Prior to joining CVHP in 2006, she defended hospitals and physicians in medical malpractice actions while employed with the law firm, Thomas Donahue Thomas & Hurevitz. Other health care experience includes risk management positions at Huntington Memorial Hospital, Chubb Insurance (formerly Executive Risk) and Verdugo Hills Hospital. She served as a health care legislative intern in Washington, D.C. for a United States Senator. Jill also has a master’s degree in healthcare administration and is certified in health care compliance. She is a member of the American Health Lawyers’ Association, California Society of Healthcare Attorneys, as well as local and national compliance, patient safety and risk management organizations.

Jorge Reyno, MD
Dr. Jorge Reyno is the Chief Population Health Officer for Citrus Valley Health Partners. Prior to serving as the Executive Medical Director for Citrus Valley Independent Physicians, Dr. Reyno held the title of Chief Physician Executive in Providence Health & Services. In that role, he was responsible for the operations and performance of 150 employed physician practices, cardiovascular services and inpatient mental health services for the Montana region of Providence. He first entered into hospital administration in 2008 as the Chief Medical Officer for Regional Health Physicians in Rapid City, SD.

Dr. Reyno has spent the majority of his career as an Infectious Disease practitioner in private practice. He completed his undergraduate training at Creighton University, attended medical school at the University of Missouri-Columbia, completed residency training in Internal Medicine at the University of Nebraska Medical Center and subsequent Infectious Disease Fellowship at Creighton University. He received his Masters in Healthcare Administration from Montana State University.


Roger Sharma, CPA, MBA
Roger Sharma is the Chief Financial Officer for Citrus Valley Health Partners. He has more than 20 years experience in health care finance and leadership. Roger most recently served as Senior Vice President of Financial Operations for City of Hope. Other previous appointments include positions at St. Mary Medical Center in Long Beach, Calif., California Hospital Medical Center in Los Angeles and Glendale Memorial Hospital and Health Center. Roger earned his Presidential and Key Executive Master of Business Administration degree from Pepperdine University and is a Certified Public Accountant. He also completed an executive education program in health care delivery at Harvard Business School and is an inaugural fellow of Coro's Health Leadership program and a fellow of Leadership Southern California.

Joe Zanetta, JD
Joe is the Chief Executive Officer of the Citrus Valley Health Foundation (CVHF). Prior to joining CVHF in January 2014, Joe was the president of Providence Little Company of Mary Foundation for 12 years. Under his leadership, the Foundation funded two institutes’ for nursing, opened several Centers of Excellence, and created a $50 million endowment. He also directed the Legacy Campaign, a comprehensive campaign to secure funds for medical centers, which included opening a health clinic and a cardiovascular institute.

Joe received his B.S. and J.D. degrees from Cornell University and is a member of the New York State Bar. Joe is active in many civic, professional and community organizations, including past Chairman of the Board of Holy Family Services Adoption Agency, Vice Chair of the Board of Directors of the Robert H. Jackson Center, a member of the Board of Regents at La Salle High School and a member of the Board of Governors of The City Club on Bunker Hill. Joe is also a well-known and sought after speaker on philanthropy.

Mary Zimmer
As the Chief Clinical Services Officer, Mary oversees the overall operation and performance of the non-nursing clinical departments for all three hospitals campuses of the organization. She is also responsible for the development and operations of a Certified Primary Stroke Center at the Queen of the Valley Campus.

Mary has more than 25 years of experience with CVHP, most recently serving as the Executive Director of Imaging, Laboratory & Rehabilitation Services. She holds a MA in Speech Language Pathology from California State University, Long Beach and a BS in Speech and Hearing Sciences from the University of California, Santa Barbara. She is a member of the Centers for Medical Rehabilitation Services, California Hospital Association, California Speech and Hearing Association and the American Speech and Hearing Association.