Jun Ma is an associate staff scientist at the Palo Alto Medical Foundation Research Institute (PAMFRI), and a CHP/PCOR associate. Her research focuses on interventions to modify patterns of physician practice and patient behavior, computer technology in behavior change and disease prevention, and behavioral models of risk factor modification. Her recent work has focused on prevention practices for diabetes and heart disease, national patterns of outpatient quality of care, and racial/ethnic disparities in health and nutrition.

Before joining PAMFRI in October 2006, Ma was a research associate the Stanford Prevention Research Center and research director of the centers Program on Prevention Outcomes and Practices. Before that, she worked as a doctoral research assistant and lecturer at the University of Nebraska-Lincoln's Department of Nutrition and Health Sciences. She earned an MS in nutrition, an RD in dietetics, and a PhD in nutrition/biometry from the University of Nebraska-Lincoln. She also received a MD degree in preventive medicine from the West China University of Medical Sciences, in Chengdu, China. While at the University of Nebraska, she served on the Undergraduate Appeal Committee in the College of Human Resources and Family Sciences and the Graduate Student Advisory Board in the College of Human Resources and Family Sciences.

Ma has received a number of awards including a travel scholarship from the Office of Behavioral and Social Sciences Research at NIH, a Presidential Fellowship, Margaret S. Fedde Fellowship, and Department of Nutritional Science and Dietetics Graduate Fellowship from the University of Nebraska-Lincoln. She is a member of the American Society of Nutritional Sciences, the Council on Epidemiology and Prevention of the American Heart Association, and Phi Upsilon Omicron. She is fluent in Mandarin.