He earned his medical degree from All India Institute of Medical Sciences, New Delhi in 2002. He then moved to the United States and completed his internal medicine residency training at the Medical College of Wisconsin, Milwaukee. He then completed a year of clinical fellowship in leukemia at MD Anderson Cancer Center followed by another year of leukemia research fellowship at the Memorial Sloan-Kettering Cancer Center in New York. He then pursued hematology/oncology fellowship from the University of Chicago. After completed his medical training, he was recruited as a faculty member in the Department of Leukemia at MD Anderson in 2012. Dr. Jain clinical interests focus on new drug development for patients with leukemia, especially chronic lymphocytic leukemia (CLL) and acute lymphoblastic leukemia (ALL).