Super Trainers

The program’s lead trainers developed the health professional education materials and trained the 10 Regional Leaders.

Stephen B. Hanauer, MD

Stephen B. Hanauer, MD

Super Trainer

Dr. Hanauer is a board certified internist and gastroenterologist, and is the Clifford Joseph Barborka Professor of Medicine and Medical Director of the Digestive Health Center at Northwestern University’s Feinberg School of Medicine.

Christina Ha, MD

Christina Ha, MD

Super Trainer

Dr. Christina Ha completed her internal medicine residency and fellowship at the Washington University in St. Louis School of Medicine and then received additional training as the Present-Levison Inflammatory Bowel Diseases Fellow at the Mount Sinai School of Medicine.

Mark T. Osterman, MD

Mark T. Osterman, MD

Super Trainer

Mark T. Osterman, MD MSCE is an Associate Professor of Medicine at the University of Pennsylvania Perelman School of Medicine where he serves as the Associate Director of IBD Research for the Penn Inflammatory Bowel Disease Center. 

regional Leaders

AGA selected the 10 Regional Leaders to lead IBD and biosimilars training and education talks at hospitals, health care systems, practices, and professional associations around the country.

Lea Ann Chen, MD

East Region

Berkeley Limketkai, MD

West Region

Norma Solis, APRN

South Region

Siddharth Singh, MD

West Region

Miguel Regueiro, MD

Midwest Region

Erin Darguzas, APN

Midwest Region

Raymond K. Cross, MD

East Region

Aline Charabaty, MD

East Region

Nana E. Bernasko, CRNP

East Region

Bincy P. Abraham, MD

South Region