Members of Nature’s Sunshine Products and Synergy WorldWide’s Medical and Scientific Advisory Board are medical professionals who maintain active practices, publish ground-breaking discoveries, and develop cutting-edge, innovative products. Their varied backgrounds and experiences offer a unique blend of knowledge that provides valuable insight into current and emerging health trends, supporting both companies’ commitments to be premier health and wellness companies.


Sang Geon Kim, Ph.D., currently serves as Vice Director of the Research Institute of Pharmaceutical Sciences at Seoul National University in Seoul, Korea. He is also the Director of the Innovative Drug Research Center for Metabolic and Inflammatory Disease (IDRC) at Seoul National University and maintains a professorship in the College of Pharmacy at the university. In addition, he sits on the Toxicology Advisory Board for the Korean Food and Drug Administration.

Dr. Kim’s accomplishments are many. In 2010, he was honored by the President of the Republic of Korea, Ministry of Health and Welfare. Earlier that year, he was named the Scientist of the Month by the Ministry of Science and Education. He also received the Best Pharmacologist Award from the Korean Society of Pharmacology in 2008. Dr. Kim earned his Ph.D. from Northwestern University Medical School in Chicago. He earned his master’s degree in pharmacology and his bachelor’s degree in pharmacy both from Seoul National University.


Hani Soudah, M.D., Ph.D., serves as an Associate Professor of Clinical Medicine in the Department of Internal Medicine for Washington University School of Medicine and is a visiting associate professor at Nanjing University Medical School. A doctor of internal medicine, he is an expert in the field of obesity management.

Dr. Soudah completed his internship and residency in internal medicine at Barnes Hospital at Washington University School of Medicine. Prior to this, he completed a post-graduate research fellowship in the Division of Gastroenterology in the Department of Internal Medicine at the University of Michigan in Ann Arbor.

He completed rotating internships in Medicine and Surgery at the University Medical Center Hamburg-Eppendorf and Altona General Hospital in Hamburg, Germany, where he had previously earned his undergraduate degree. Dr. Soudah also holds a Ph.D. in Medicine from the University of Hamburg, Germany School of Medicine.


Dr. Ingrum W. Bankston is a board-certified urologist and practicing surgeon at the Tuscaloosa Urology Center in Tuscaloosa, Alabama. His pre-launch work on NSP’s Equolibrium™ product was invaluable. Using Equolibrium with his male patients in his practice helped NSP better understand exactly how the product performs. Dr. Bankston currently serves as an Assistant Clinical Professor for the Department of Surgery at the University of Alabama and has served as President of the Alabama Urological Association since 2006.

Dr. Bankston received his medical degree from the University of Alabama at Birmingham (UAB) where he also completed his undergraduate degree. He completed his internship in general surgery at the Ochsner Foundation in Louisiana and did his residency work at the UAB Division of Urology.