Leadership Team - VA Pacific Islands Health Care System
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VA Pacific Islands Health Care System


Leadership Team

Kathryn Ryder, M.D., M.S., Acting Director

Kathryn Ryder, M.D., M.S.

Acting Director

Dr. Ryder was appointed Acting Director of the VA Pacific Islands Health Care System on March 23rd 2020. Dr. Ryder was appointed Chief of Staff at the VA Pacific Islands Health Care System October 2019. She received her medical degree in 1992 from the Yale School of medicine, completed an internship and residency at Boston Medical Center, and served as Chief Resident. She received board certification in Medicine from the American Board of Internal Medicine in 1996 and was recertified in 2007. Prior to her medical degree, she earned a Bachelor's degree from Yale University and then a Master's Degree in Epidemiology from the University of Tennessee Health Sciences Center in 2003. Her research publications are in osteoporosis. She received certification as a Patient Safety officer, participating in the Advanced Training Program in Patient Safety and Quality Improvement in Salt Lake City. Dr. Ryder worked at the University of Tennessee Health Sciences Center as an Associate Professor and joined the VA Memphis in 2006, where she taught hospital medicine and Patient Safety and Quality Improvement. She served as Deputy Chief of Medicine, then Acting Chief of Medicine at the VA Memphis. She became the Deputy Chief of Staff at the VA Memphis in 2012.

Chandra S Lake MPA, Associate Director

Chandra S Lake MPA

Associate Director

Ms. Chandra Lake was appointed as the Associate Director for VA Pacific Islands Health Care System, in May 2018. Her responsibilities include executive oversight of operations and direction of resources, facilities management and engineering, health administration, safety and security, prosthetics, fiscal and supply chain management. Ms. Lake is a Pentad member, responsible for the delivery of health care and services to the health care system – overseeing a budget of $430 million and 1500 full-time employees. Prior to this she served as the Associate Director at the Sheridan VA Health Care System from July 2014-April 2018. She was the Strategic Planner for the VA Palo Alto Health Care System from 2012-2014. Her VA career began at the VA Puget Sound Health Care System and she has served as a Facility Planner, Rural Health Coordinator and in other dynamic roles. Ms. Lake is a retired Air Force Veteran, with 26 years of distinguished service, where she held executive leadership positions within military hospitals, clinics and joint task force operations. She graduated magna cum laude from her undergraduate education at University of Washington and holds a master’s degree in Public Administration (MPA) from City University in Seattle, where she graduated with Presidential Honors. Ms. Lake is a graduate of the VA Health Care Leadership Development Program (HCLDP) and is a member of the American College of Healthcare Executives (ACHE).

Scott Masters, MD, Acting Chief of Staff

Scott Masters, MD

Acting Chief of Staff

Scott Masters, MD, is a psychiatrist who has been with PIHCS since 2009. Dr. Masters received his medical degree and psychiatric training at Columbia University College of Physicians and Surgeons in New York City. He went on to complete a Fellowship in Public Psychiatry and Certification in Psychoanalysis in New York. Prior to his time with Veterans Administration, he did work on a schizophrenia research unit, a community health clinic in Washington Heights Manhattan and was residency training director at St Luke’s-Roosevelt Hospital until 2007. In his work with PIHCS, Dr. Masters has provided psychiatric services on all our islands in our region and from 2015 was appointed as Program Manager for Rural Mental Health. He is a graduate of VA VISN 21/22 Leadership Development Institute in 2016. He has been involved with system redesign for improved access for Veterans, expansion of Video on Demand across the facility, measure-based care, and other initiatives to improve care for Veterans and the experience of those who care for our Veterans.

Sophia Hox, D.O., Acting Deputy Chief of Staff

Sophia Hox, D.O.

Acting Deputy Chief of Staff

Sophia Hazel Hox, D.O. is a graduate of Midwestern University Arizona College of Osteopathic Medicine. She trained in Internal Medicine at Providence St. Vincent Medical Center in Portland, Oregon. She completed an additional year as Chief Resident for the Internal Medicine Residency program. She completed her fellowship in Endocrinology, Diabetes and Metabolism at UC Davis Medical Center in Sacramento, California. After completion of training, Dr. Hox worked at the Department of Health and Human Services Sacramento County Clinic. The clinic population served the indigent as well as the migrant workers of the area. While she was there she helped in the development and implementation of the Diabetes Clinic. In 2009, Dr. Hox moved to Hawaii and started to work for the Veteran’s Health Administration Pacific Islands Health Care System (VA PIHCS). The Pacific Islands Health Care System includes all of the Hawaiian Islands, the island of American Samoa and the island Guam. As Chief of the Endocrinology Service, she is responsible for the Endocrine and Diabetes care for the Veterans served by the VA clinics on these islands. In 2017, she became the Associate Chief of Staff for Specialty Care. Dr. Hox also serves as an Associate Clinical Professor at the University of Hawaii at Manoa, John A. Burns School of Medicine. She is a Principle Investigator of the Glycemia Reductions Approach in Diabetes Comparative Effectiveness Study. It is a multi-site NIH funded study examining the treatment algorithms for Type 2 Diabetes Mellitus. She has received multiple VA Special Contribution Awards and VA Patient Advocate Awards. Dr. Hox is board certified in Endocrinology, Diabetes and Metabolism as well as Internal Medicine.

Kim Hall, MSN, RN, VHA-CM, Nurse Executive

Kim Hall, MSN, RN, VHA-CM

Nurse Executive

Ms. Kim Hall, MSN, RN, VHA-CM, was appointed Associate Director for Patient Care Services March 23rd 2020. Prior to this assignment she was the Deputy Nurse Executive (DNE)/ ADPCS in Northern California VA HCS. Ms. Hall received her Master of Science in Nursing from University of Incarnate Word, San Antonio, Texas. Her background includes, intensive care, emergency room and outpatient clinics, Deputy ADPCS and Chief Nurse of both inpatient, ambulatory OR and outpatient operations. She was also the VISN Lead for Primary Care Transformation, Health Promotion/Disease Prevention, and Veterans Health Education, and Patient Centered Care. She has extensive clinical background in ED, GEC, Post-Op Units, ICU and PACT Transformation. Her accomplishments include: induction into Sigma Theta Tau Delta Alpha Chapter, Nurse of the year, Sister Charles Marie Frank Student Leader, Directors Nursing Excellence nominee, she has publication of articles related to leading health care teams in interdisciplinary improvements, patient safety and operations of care delivery. Ms. Hall graduated from the Health Care Leadership Development program and received her mentoring certification at the Fellowship level.