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AADI Team


George L. King, M.D.  

George L. King, M.D.

​D​r. King is the Senior Vice President, Chief Scientific Officer, Head of the Section on Vascular Cell Biology and Founder/Director of the AADI at Joslin Diabetes Center, as well as a Professor of Medicine at Harvard Medical School and still sees patients in the Asian Clinic. Dr. King received his medical degree from Duke University School of Medicine. Dr. King’s work focuses on finding the causes of diabetic complications, exploring insulin actions on blood vessels, discovering factors and new treatments for diabetic complications, and understanding the reasons for the high rate of diabetes in Asian Americans. Dr. King has published over 280 articles and reviews.

William C. Hsu, M.D.  

William C. Hsu, M.D.

​Dr. Hsu is Vice President, Founder of the International Programs at Joslin Diabetes Center and the Medical Director of the Asian Clinic. Dr. Hsu leads a multidisciplinary team, driving implementation of sustainable health care delivery projects worldwide.  As Founder and Medical Director of Joslin’s Asian Clinic, Dr. Hsu spearheaded Joslin’s efforts to provide ethnically and culturally tailored care for Asian Americans. As a subject expert, he has co-authored national standards and a Position Statement for the American Diabetes Association to redefine the weight cut point for Asian Americans at risk for developing diabetes. More recently, he has focused his research on mobile health, including exploring the use of cloud-based technology to support diabetes management.

Greeshma K. Shetty, M.D.  

Greeshma K. Shetty, M.D.

​Dr. Shetty is a board certified endocrinologist at Joslin Diabetes Center and Harvard Vanguard Medical Associates and an Instructor of Medicine at Harvard Medical School. She attended medical school at Albany Medical College and completed her residency in Internal Medicine and Endocrine fellowship at the Beth Israel Deaconess Medical Center. Her interests include Diabetes Technology, Insulin Pump Therapy, and culturally competent diabetes prevention and treatment in the South Asian population.  She is the Associate Medical Director of the Joslin’s Asian Clinic. She is an associate Endocrine Fellowship Program Director for the combined Beth Israel Deaconess Medical Center and Joslin clinic endocrinology and diabetes fellowship. 

Runhua Hou, M.D.  

Runhua Hou, M.D.

Dr. Hou is an Assistant Professor of Medicine at Harvard Medical School and board certified endocrinologist at Joslin clinic and Beth Israel Deaconess Medical Center.  Dr. Hou received her Medical degree from Xian Medical University and then completed Internal Medicine residency at Yale-New Haven Hospital-St. Raphael and Fellowship training in Endocrinology, Diabetes & Metabolism at Washington University in St. Louis.  Her clinical interests include understanding the influence of ethnicity and traditional diet on diabetes development, improving diabetes care with advanced technology and designing regimens for those with steroid induced diabetes.​

Chihiro A. Sato  

Chihiro A. Sato

​Chihiro is the Communications and Outreach Officer.  As a former business consultant in Tokyo, Chihiro uses her business expertise to challenge herself to think outside the box when it comes to helping the AADI educate the Asian American community about diabetes management and prevention.  She strongly believes that it is just as important to educate and interact with the patients and members of the community as well as the healthcare providers, which serves as her motivation in helping to create culturally specific and patient-friendly educational resources.  She enjoys meeting people and listening to their stories – these stories inspire her to design programs and tools that enable people to lead healthier and happier lives.

Ka Hei Karen Lau  

Ka Hei Karen Lau

​Karen is a Registered Dietitian (RD) and Certified Diabetes Educator (CDE) originally from Hong Kong. Understanding the cultural differences in Asia and the United States, she creates educational materials and provides nutrition and diabetes care practices to the patients in the Asian Clinic that can be easily adapted to the culture of the patients. She is passionate in helping patients and the Asian American community people to integrate healthy and enjoyable meals into their daily meal plans for better health, and for preventing and managing diabetes. One thing that she often emphasizes is “small changes can make a big difference in health” - she encourages start healthy eating by making one or two substitutions in the classic recipes that are prepared at home. She is also involved in research to find better ways in helping Asian Americans in preventing and managing diabetes through day-to-day eating, exercise and even resting habits.

Claudia Hoiyan Vierra  

Claudia Hoiyan Vierra

​Claudia works closely with doctors, dietitians and educators as the Asian Clinic Care Ambassador. She understands the cultural barriers that Asian patients may face and she is eager to patiently help them overcome these barriers. Besides working for Asian patients in the Asian Clinic, she also helps in coordinating AADI programs in research, outreach and diabetes education. She believes raising awareness to prevent diabetes is as important as the better management of diabetes. Spreading healthy living styles to the public is one of her missions.

Gary AuYeung  

Gary AuYeung

​Gary works closely with doctors, dietitian and educator as the Asian Clinic Care Ambassador. He grew up in Hong Kong and understands the cultural differences Asian patients may face in the United States. He is ready to patiently support them as many others have done for him in the past. Besides working for Asian patients in the Asian Clinic, he also helps in coordinating AADI programs in research, outreach and diabetes education. He believes prevention is as important as treatment, so he’s eager to raise awareness in the Asian American community for a healthier lifestyle.​