Dr. Grerk Sutamtewagul is a currently Clinical Associate Professor of Internal Medicine at the University of Iowa. He completed his medical training at Chulalongkorn University in Bangkok, Thailand, and an Internal Medicine residency training at Texas Tech University Health Science Center in Lubbock, Texas. 

Dr. Sutamtewagul completed his fellowships in Hematology and Medical Oncology at the University of Iowa, where he now contributes to both clinical practice and academic research. His expertise encompasses a wide range of hematological conditions, including leukemias, lymphomas, and classical hematology. Beside patient care and clinical research, he has strong commitment to medical education. He is currently the Program Director of Hem/Onc Fellowship Program at the University of Iowa.