He has been at Harvard Medical School since 2001, first as a postdoctoral fellow from 2001 to 2004, then as an Instructor until 2007, and now as an Assistant Professor. Duda did his graduate work in Gastroenterological Surgery at Tohoku University Graduate School of Medicine in Japan, before which he completed residency training at University Hospital in Romania. He was trained as a Doctor of Dental Medicine at the University of Medicine and Pharmacy in Iasi, Romania. His PhD work was conducted under the guidance of his thesis advisor Makoto Sunamura, and his postdoctoral training was mentored by Rakesh K. Jain, professor in Harvard Medical School's Department of Radiation Oncology.