He is board certified in both thoracic and general surgery and specializes in the treatment of cancers involving the chest, with a special emphasis on lung cancer. He is an editorial reviewer for the Annals of Thoracic Surgery, the Journal of Thoracic and Cardiovascular Surgery, and the journal Lung Cancer. He serves as a chair of the Thoracic Oncology Network of the American College of Chest Physicians. He lives in Rydal, Pennsylvania.