Dr. Jean-Louis Selam and Dr. Joanna Van are committed to the research of protocols full-time and are directly involved in the performing and documentation of study visits.

They are supported by a team of study coordinators, a dietitian, a budget/regulatory manager and a marketing team. 

Dr. Jean-Louis Selam


Dr Selam received his undergraduate education and medical doctorate in France, University of Montpellier. He has been an Internal Medicine specialist in Endocrinology in France since 1979 and licensed in California since 1987. He has worked as an associate professor at University of California Irvine Diabetes Research Program 1986-90 then as an associate professor at University Medical School of Paris, dept of Diabetology 1990-2003. He has been appointed in 2005 as Visiting Professor by the USC School of Medicine, Los Angeles. Dr. Selam has a 40+ year experience as a Principal Investigator with an experience of more than 250  studies, the majority in the fields of insulin, oral medications, neuropathy and obesity.


Dr Selam is the author of 120+ peer-reviewed publications, 130+ invited articles or chapters in books, and 350+ conference presentations, the majority in the field of new techniques of insulin therapy including intensive insulin and implantable insulin pumps, which he is considered as a world leader. He also has performed pioneer work on intraperitoneal insulin and insulin-induced remissions. 

Dr. Joanna Van


Dr Van received her undergraduate degree from University of California, San Diego in Biological Sciences. During and after her undergraduate education she authored and co-authored numerous research publications in the field of Diabetes Medicine. After working in the industry she returned to pursue medical school and completed her residency training in Family Medicine at Arrowhead County Regional Medical Center (a UCI Affiliate Program). Upon graduation, she began working at St Jude Heritage Medical Group. During her tenure with St Jude, Dr Van was nominated as one of Orange County’s Physicians of Excellence by Orange Coast Magazine (January 2013 issue).


Since 2007, Dr Van has served as a consultant for the University Clinical Investigators and Clinical Trial Investigators. She has been the primary and sub-investigator for multiple diabetes studies. 

She admits that her job satisfaction comes primarily from her passion for her patients' well-being and her personal commitment to providing quality medical research.

Dr. Maricor Grio


Dr. Grio received her undergraduate and medical degree from University of Miami. She subsequently completed a residency in pediatrics at Orlando Health in 2004, a subspecialty in pediatric nephrology, and a Master’s degree in clinical research design and statistical analysis from the University in Michigan in 2007.


Dr. Grio developed a passion for clinical research during her fellowship training while caring for critically ill dialysis patients when she realized that there is great paucity of data in many aspects of medicine much needed to save lives. She wanted to be a part of the solution to globally improve patient care and committed to become highly trained and highly skilled in all aspects of clinical research.


In addition to her extensive experience, she completed a specialized training curriculum in clinical research as a recipient of a K30 NIH scholarship at the University of Michigan School of Public Health, and while practicing as a full-time clinician, she’s been continually involved in multiple successful clinical trials since 2005. She's a published investigator and has served as an IRB board member, has founded successful de novo research sites, and  served as medical director and principal investigator. Dr. Grio joined University Clinical Investigators in 2020.

University Clinical Investigators



© 1974 University Clinical Investigators, Inc.

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