Dr. Khullar received his MD degree from Jefferson Medical College of Thomas Jefferson University, Philadelphia, in 2006. He completed his general surgery residency at Beth Israel Deaconess Medical Center in 2013, did a two-year thoracic surgery research fellowship at Brigham and Women's Hospital from 2008-2010, and completed his Emory cardiothoracic surgery fellowship in 2016, after which he joined our faculty.

Dr. Khullar's clinical specialities include minimally invasive thoracic surgery, thoracic oncology, including lung, esophageal, and mediastinal tumors, and benign thoracic and esophageal disease including achalasia and paraesophageal hernias. His research interests are in thoracic quality and outcome improvements, clinical trials for thoracic maligancies, and patient reported outcomes.

Dr. Khullar has published in some of most prominent journals in the field of cardiothoracic surgery. He completed a Master of Science degree in Clinical Research from the Emory University Laney Graduate School. He plays an active role in the Eastern Cooperative Oncology Group as the Co-Chair of the Thoracic Surgery Subcommittee and as surgical chair for several national clinical trials.