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VA Desert Pacific Healthcare Network


Leadership Team

Michael W. Fisher, Network Director

Michael W. Fisher | 562-826-5963

Network Director

Mr. Michael Fisher was appointed as the Network Director, VA Desert Pacific Healthcare Network, Veterans Integrated Service Network (VISN), 22 effective September 14, 2018. Mr. Fisher has executive oversight of eight VA Health Care systems and 65 community clinics in Arizona, Southern California and New Mexico, and manages an operating budget in excess of $5.6 billion. Since 2016, Mr. Fisher has served as Medical Center Director of VA Portland Healthcare System with responsibility for overseeing the VA Portland Healthcare System and ten Community Based Outpatient Clinics that provide care to over 90,000 Veterans, an operating budget of $900 million, and more than 4000 employees. Mr. Fisher served as Medical Center Director of the VA Long Beach Healthcare System in Southern California from 2014 – 2016, Prior to that assignment, he held the position of Deputy Network Director of the VA Northwest Healthcare Network where he developed a comprehensive rural health care plan, a financial infrastructure that provided standardized accounting and budgeting processes, and established an organizational structure with data tools to strengthen operational knowledge and efficiencies. Mr. Fisher has been employed by the Veterans Health Administration since 1993. Mr. Fisher received a Bachelor of Science in Accounting from University of New Orleans, achieving Certified Public Accountant designation in 1994. Mr. Fisher graduated from the Health Care Leadership Institute in 2007.

Bryan E. Arnette, Deputy Network Director

Bryan E. Arnette | 562-628-7940

Deputy Network Director

Mr. Bryan E. Arnette currently serves as the Deputy Network Director for VA Desert Pacific Healthcare Network (VISN 22) where he has responsibility for executing the network’s $7 Billion budget across eight healthcare systems in Arizona, New Mexico, and Southern California. He has responsibility for operations including oversight of Capital Assets, Finance, Supply Chain, Human Resources, Prosthetics, Law Enforcement, and Emergency Preparedness. Mr. Arnette previously served as Interim Medical Center Director for Northern Arizona VA Healthcare System in Prescott, AZ. In this capacity he served as the chief executive providing care to nearly 35,000 Veterans across Northern Arizona including healthcare services for Veterans of 11 different tribal nations. Mr. Arnette has also served as the Deputy Healthcare System Director for VA Long Beach Healthcare System where he led the organization’s lean transformation. He is an experienced healthcare quality professional having served as Chief Quality Officer at VA Palo Alto Healthcare System. While there, he had operational responsibility for Quality & Patient Safety, Infection Prevention & Control, Patient Experience, Process Improvement, and the Office of Education. Mr. Arnette holds a Bachelor of Science in Health Services Administration and Master of Public Administration from the University of Central Florida. He is a board-certified Fellow of the American College of Healthcare Executives and a member of the National Association of Health Services Executives.

David Keele, Network Chief Financial Officer

David Keele | 562-826-5920

Network Chief Financial Officer

Currently serving as the Chief Financial Officer of the VA Medical Center in Long Beach, CA. Responsible for the full range of financial management services for a major VA Medical Center. Served as a Senior Accountant responsible for major functions of the accounting program for the Veterans Health Administration's VISN 22 Network of Medical Centers. School Director of a Marine Corps Formal School leading 132 faculty graduating 600 students annually with a focus on academic, technical, and personal excellence. Seven years experience leading organizations of up to 300 employees with operating budgets up to $600K and over $18 million in assets and facilities. Experienced financial analyst who developed the programming and budgeting (Program Objective Memorandum) for the annual $10-12 billion Marine Corps manpower account (60% of budget) in accordance with Defense Department Financial Management Regulations. Thorough knowledge of and experience with the Planning, Programming, and Budgeting Execution System (PPBES). Trained in Continuous Process Improvement (Lean Six Sigma). Licensed CPA.

Michelle Dorsey, Chief Medical Officer

Michelle Dorsey | 562-628-7964

Chief Medical Officer

Dr. Michelle Dorsey is a dedicated public servant, committed to cultivating health equity and innovation in the delivery of health care. Initially distinguishing the Phoenix VA by contributing to the development of the VA’s only Breast Imaging Center of Excellence, she subsequently became their first female Chief of Radiology. During a challenging time at the Phoenix VA, Dr. Dorsey transformed her department into a national leader in providing timely and state of the art radiology care. Renowned for her process improvement and change management abilities, Dr. Dorsey was quickly tapped for multiple executive leadership positions: Acting Associate and Deputy Directorships at the Phoenix VA and Acting Associate Director of the VA National Teleradiology Program. This culminated in her selection as the first physician to represent the Department of Veterans Affairs as a White House Leadership Fellow. In her placement at the Office of Management and Budget she was responsible for programmatic leadership of the Federal Government’s Customer Experience Cross-Agency Priority Goal, for which her team won a 2019 Service to the Citizen award. On her return to the VA, as a VHA Senior Clinical Advisor she worked to shift the paradigm in health care delivery from illness to wellness and to more broadly address the social determinants of Veterans health. Subsequently, Dr. Dorsey was instrumental in the COVID-19 response, leading Continuity of Operations for the Phoenix VA Health Care System, and was recognized with a COVID-19 Hero Award for Innovation. She now serves as Chief Medical Officer for the VA Desert Pacific Healthcare Network (VISN 22), and is responsible for ensuring high-quality clinical care for a catchment area of 1.5M Veterans. Dr. Dorsey is a fellowship trained musculoskeletal radiologist and has board certifications in both diagnostic radiology and public health. Dr Dorsey completed a Bachelor of Arts and Doctor of Medicine degrees at the University of Wisconsin-Madison. She finished her Diagnostic Radiology residency at the Mallinckrodt Institute of Radiology at Washington University in St. Louis. Her fellowship in musculoskeletal imaging was completed at the Mayo Clinic Arizona. She finished her Masters in Public Health in Health Services Administration at the University of Arizona. Author of multiple publications and speaker at national and international events, Dr. Dorsey has received many honors including being named a Fellow in the American College of Radiology and the American College of Healthcare Executives.

Kerri B. Wilhoite, Chief Nursing Officer

Kerri B. Wilhoite

Chief Nursing Officer

Dr. Kerri Wilhoite was appointed as the VISN 22 Chief Nursing Officer effective April 24, 2022. In this new VISN 22 position, Dr. Wilhoite will have oversight of Sterile Processing Service (SPS), VISN Call Center (Administrative, Virtual Care, Nurse Advice Line, and Pharmacy), Nursing Practice of Clinical Resource Hub (CRH), Geriatrics and Extended Care, and Care Coordination and Integrated Case Management. Dr. Wilhoite has been employed by VHA since January 1998 holding a wide variety of clinical and leadership roles. She most recently served as the Southern Arizona VA Health Care System (SAVAHCS) Associate Director of Patient Care Services/Nurse Executive (ADPCS/NE). Dr. Wilhoite worked at the Northern Arizona VA Healthcare System (NAVAHCS), Durham VAHCS, Washington, DC, and Tennessee Valley Healthcare System during her 20-year VA career. She has been a staff nurse, psychiatric nurse manager, Local Recovery Coordinator, Mental Health Field Advisor, and Associate Chief Nurse at Durham, North Carolina.. Additionally, she has been a strategic partner with stakeholders to improve Veteran outcomes and enhance the workplace for employees across the enterprise. In her current role as ADPCS she collaborates with her peers, in the ELT, to improve Veteran experience, enhance clinical quality outcomes, support clinical staff through a shared governance approach and incorporate the Caring Theory within her division. Dr. Wilhoite received her BSN in 1997, MBA/with a Heath Care Management emphasis in 2005, and DNP in 2014. Her passion for high quality clinical care and leadership is evident through her academic accomplishments and preparations.