Dr. Thej Poonacha

MD, MBA, MRCSED

Dr. Poonacha is a staff hospitalist, clinical associate professor of medicine, and medical director of utilization management. He is a health care provider, health care leader, researcher, and trainer who understands health from a physician, patient, trainee, and payor point of view. This allows him to positively influence high quality, cost effective medical care by promoting physician alignment with respective care teams in different care settings, ultimately yielding growth, operational efficiency and innovation.

He is board certified in Internal Medicine, obesity medicine and is a fellow of the American College of Physicians (FACP) , Senior Fellow of the Society of Hospital Medicine(SFHM), and Fellow of the Academy of Physicians in Clinical Research (FAPCR).

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Dr. Amish Purohit

MD, MBA, MHA, FAAFP, FACHE

Dr. Amish Purohit, is a visionary healthcare executive and physician with a distinguished career spanning over two decades, combining clinical expertise with business acumen to drive transformative growth in the healthcare sector. Currently serving as Co-Founder, President, and Chief Health Officer at Arkos Health, Dr. Purohit leads strategic expansion, operational excellence, and innovative care models that improve patient outcomes while enhancing organizational performance.

Dr. Purohit's academic achievements underscore his commitment to excellence and thought leadership. He holds a Master of Business Administration (MBA) from the prestigious Kellogg School of Management at Northwestern University and a Master of Science in Clinical Service Operations at Harvard University, further solidifying his expertise in healthcare transformation and operational leadership. Additionally, he earned a Master of Healthcare Administration (MHA) from Penn State University and a Doctor of Medicine (MD) from Saba University, reflecting his dedication to both clinical practice and healthcare management.

A decorated veteran of the United States Air Force, Dr. Purohit’s military service has instilled a sense of discipline, innovation, and a mission-driven approach to leadership. He is Board Certified in Family Medicine and a Fellow of both the American Academy of Family Physicians (FAAFP) and the American College of Healthcare Executives (FACHE) with numerous accolades, including the Phoenix Titan 100 Award and the Top Healthcare Visionary Award.

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Marvine Williamson

Patient Care Director/Manager, RN

Marvine Williamson, has had extensive experience in Patient care management as a care manager , Director of Patient care and Service director of Patient care services at multiple organizations. She was also Regional Administrator UCSD Health at HomeRegional Administrator UCSD Health at Home.