Ashok Muniappan completed residencies in General Surgery (2007) and Cardiothoracic Surgery (2009) at Massachusetts General Hospital (MGH). He also completed a post-doctoral fellowship at the MGH Transplantation Biology Research Center (2005) and mini-fellowships in clinical thoracic surgery at Mayo Clinic and University of Pittsburgh Medical Center before joining the faculty of MGH Division of Thoracic Surgery in 2010. He serves as the director of the medical student summer scholars program in thoracic surgery. He is dedicated to the education of medical students and surgical residents. He received the MGH Department of Surgery faculty teaching award in 2019 and the Cardiothoracic Surgery Residency teaching award in 2022. His research interests have focused on the management of complex general thoracic surgical problems such as tracheoesophageal fistula and he frequently collaborates on clinical research with colleagues in related specialties.