Meet Our Administration

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

Rob Curry
President & Chief Executive Officer
Citrus Valley Health Partners

Ryan Burke, Esq
Vice President, Human Resources
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

Melissa Howard, RN, MSN
Chief Nurse Executive, ICH/FPH
Citrus Valley Health Partners

Gurjeet Kalkat, MD
Chief Medical Officer
Citrus Valley Health Partners

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

Roger Sharma, CPA, MBA
Executive Vice President & Chief Financial Officer
Citrus Valley Health Partners

Michelle Stoddard, MS
Chief Executive Officer
Citrus Valley Health Foundation

Kevin Streeter, MBA, RN, CNOR
Chief Nurse Executive, QVH
Citrus Valley Health Partners

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.

Ryan Burke, Esq
Ryan Burke is the Vice President of Human Resources. He joined Citrus Valley Health Partners in 2011, and has previously served as CVHP's Corporate Director for Employee Relations. Prior to joining CVHP, he earned a Juris Doctor from Loyola Law School and represented a diverse group of employers, including members of the Healthcare, Hospitality and Construction industries, in labor and employment matters. He also worked as in-house counsel for Travelers Insurance. Ryan is also an active member of the Military and Hospitaller Order of St. Lazarus of Jerusalem, which advocates for organ donation in the United States and the treatment of Hansen's Disease worldwide.

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.

Melissa Howard, RN, MSN
Melissa is the Chief Nurse Executive for Inter-Community Hospital and Foothill Presbyterian Hospital. She started her career at CVHP in 2000 as a new graduate nurse, serving as the Director of Performance Improvement and Director of Medical Surgical Services before progressing to the Chief Nurse Executive Role in 2012.

Melissa has been on the board for the Sigma Theta Tau-Iota Sigma chapter and is currently a member of the Association of California Nurse Leader’s Philanthropy Committee. In her years of leadership roles with CVHP she has worked to standardize processes throughout the system, improve the patient experience as well as quality of care patients receive. She has worked with the FPH nursing leadership team to implement Nursing Shared Governance as well as improve nursing services through the reincarnation of the Clinical Ladder program, increased professional certifications among the nursing staff and promote advanced degree completion. Melissa received her MSN from Azusa Pacific University.

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.

Roger Sharma, CPA, MBA
Roger Sharma is the Executive Vice President & 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.

Michelle Stoddard, MS
Michelle joined Citrus Valley Health Foundation in 2015 and now serves as the Chief Executive Officer. Michelle has more than 25 years of experience in development and fundraising. She previously served as the director of the Foundation for Casa Colina Hospital and Centers for Healthcare. She holds a Masters degree in Leadership and Management from the University of La Verne. Michelle is a life-long volunteer for non-profit agencies including the Claremont Parent Faculty Association, San Gabriel Valley Jr. All American, Lions Club, Community Senior Services, Volunteer Center of the Greater Pomona Valley, Casa Colina Auxiliary, Clean-Up L.A. Project and Red Cross Pomona Chapter.

Kevin Streeter, MBA, RN, CNOR
Kevin is the Chief Nurse Executive for Queen of the Valley Hospital. He has more than 25 years of experience in health care. Before assuming the role of CNE at Queen of the Valley, he served as the Corporate Director of Perioperative Services with CVHP for three years.

Kevin is a decorated veteran of the U.S. Navy where he served his country as a Fleet Marine Force Combat Hospital Corpsman. It was in the Navy where Kevin received specialized training in surgery. He became a registered nurse after his discharge from the Service and worked in the operating room for many years.

His leadership experience also includes serving as Director of Perioperative Services at Good Samaritan Hospital Los Angeles, Saint John's Health Center Santa Monica, and Verdugo Hills Hospital. In addition to his nursing education, Kevin is a dual degree holder from Pepperdine University where he earned his Bachelor of Science in Management and his Master of Business Administration (MBA) with an emphasis in leadership and managing organizational change.


Mary Zimmer
As Chief Clinical Services Officer, Mary oversees the overall operations and performance of the Neuroscience, Orthopedic and Rehabilitation Service Lines. Additional scope of responsibilities include operations and performance of Imaging and Laboratory for the three hospital campuses, Radiation Oncology, Wound Care Center, Home Health and Hospice programs. Mary is also responsible for the development and operations of the Primary Stroke Center located at Queen of the Valley Hospital.

Mary has more than 25 years of experience with CVHP, prior to assuming the role of Chief Clinical Services Officer, she served as Executive Director of Imaging, Laboratory and Rehabilitation Services. She holds an 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 California Hospital Association Center for Post-Acute Care, American College of Healthcare Executives, Hospital Association of Southern California, California Speech and Hearing Association and the American Speech and Hearing Association.