Board of Directors

The members of the Board of Directors work together to enable the research necessary to bring encapsulated islets cells to the clinical care setting. 

George R. Tingwald, MD, AIA, ACHA

Board Chair
Director of Medical Planning, Stanford University Medical Center

Dr. Tingwald is one of a handful of persons nationwide to hold both an MD degree and an AIA designation as a professional architect. For many years he was director of health and science at the leading national architectural firm Skidmore, Owings & Merrill LLP, where he served as the director of planning for California Pacific Medical Center’s five-campus master plan in San Francisco. He is a founding member of the American College of Healthcare Architects.

Edgar Brenninkmeyer

President, My Dutch Uncle, Inc.

Mr. Brenninkmeyer is president of My Dutch Uncle, a San Francisco–based company providing business services to nonprofits. He has served on the boards of nonprofits active in the fields of faith community, human services, and performing arts, such as Grünewald Guild (in Leavenworth, WA), Sojourn Chaplaincy at San Francisco General Hospital, and the Sanford Dole Ensemble, as well as Hanuman Medical Foundation. A member of the National Association of Catholic Chaplains (NACC), he formerly served as priest chaplain at Kaiser Permanente Oakland Hospice, Seton Medical Center in Daly City, and staff chaplain at St. Francis Memorial Hospital in San Francisco. He has many accomplishments in the areas of clinical ministry, in-services management, and counseling. Born in Haarlem, The Netherlands, he was a member of the Society of Jesus  (Jesuits) and active in various ministries in Germany, Northern Ireland, Norway and the Netherlands. He holds a BA in philosophy and a STL (pre-doctoral degree) in theology. 

Andrew J. Drexler, MD

Professor of Medicine
Co-Chief, Division of Clinical Endocrinology, Diabetes and Hypertension
Director, Gonda (Goldschmied) Diabetes Center, UCLA, Los Angeles

Dr. Andrew Drexler received his MD from the New York University School of Medicine in 1972, completed his residency in Internal Medicine at Barnes Hospital (1975–1976) and fellowship in Endocrinology at Washington University School of Medicine (1976–1978) in St. Louis, Missouri, and spent two years at the National Institutes of Health in the Public Health Service at the Laboratory of Immunology, NIAID (1973–1975). He joined the faculty of New York University School of Medicine as Clinical Associate Professor in 2003. He was Director of the Diabetes Clinic in Bellevue Hospital and Director of the Mount Sinai Diabetes Center in New York (1998–2002). In [year] he assumed his current post at the Gonda (Goldschmied) Diabetes Center, a multi-disciplinary state-of-the-art facility offering high quality care for patients with diabetes and other endocrine disorders.

Dr. Drexler has been among the most prominent practitioners of intensive insulin management, tight glycemic control during pregnancy, and insulin pump therapy. He was responsible for facilitating the transfer of more than thirty pancreas transplant patients with type 1 diabetes and end-stage renal disease in the New York area to centers in other parts of the country because pancreas transplantation was not available in the New York area. In the mid-1990s, Dr. Drexler became involved with utilizing these new therapies for type 2 diabetes and teaching them to other physicians. He also was instrumental in the establishment of the Mt. Sinai Diabetes Center, among of the best comprehensive diabetes centers in the country.

Micheal McShane 


Mr. McShane’s theater credits include appearing in Little Shop of Horrors in London (Audrey II), Taller than a Dwarf at the Longacre Theatre; What Became of Owen Beavers and The Amazing Kozmo at the Actors Gang; Waiting for Godot at Berkeley Repertory; A Bright Room Called Day at the Eureka Theatre; and Golden Boy, A Funny Thing Happened on the Way to the Forum, Twelfth Night, Feathers, and Diamond Lil at American Conservatory Theater (ACT) in San Francisco. He has also appeared in the West End productions of The Pocket Dream and Exact Change. Film credits include Big Trouble, Gold Cup, Drop Dead Gorgeous, Office Space, Tom and Huck, Richie Rich, Robin Hood, Tucker, and Peggy Sue Got Married. Television credits include series regular roles on Brotherly Love and Whose Line is it Anyway? and a recurring role on Seinfeld.

Carolyn Robertson, MS, RN, APRN, MSN CDE

Board Secretary
Clinician, Consultant at Gonda (Goldschmied) Diabetes Center, UCLA, Los Angeles

Ms. Robertson is a certified diabetes educator (CDE), board certified in Advanced Diabetes Management. She has more than 30 years of experience in patient education in intensive/flexible diabetes management, with an active patient caseload for more than 25 years. She was a pioneer in the intensive management of diabetic pregnancies and insulin pump therapy. She also has extensive experience in the management of patients with kidney and pancreas transplants. Ms. Robertson received her MS in Nursing from Hunter College of the City University of New York.

Currently she is currently in private practice in New York (customized diabetes education) and is a diabetes consultant to the Gonda Diabetes Center at UCLA. She remains actively involved in clinical research, consultation and mentoring. She has been an active member of diabetes volunteer organizations including Juvenile Diabetes Foundation Research International and the American Diabetes Association. Ms. Robertson serves on the editorial board for the patient journal Self Management and publishes in peer-reviewed journals, trade journals, books, and newsletters, as well as on the Internet. She lectures frequently to local, national, and international audiences of health professionals, patients, and the general public. Recently relocated to Arizona, she provides diabetes counseling on a volunteer basis for members of the Navajo nation while continuing her work in New York and Los Angeles.