He holds a joint appointment with the Taussig Cancer Institute. Dr. Ahmad is board-certified in surgery. He joined Cleveland Clinic in 2015. His specialty interests include thoracic oncology; lung cancer; esophageal cancer; tracheal tumors; thymic tumors; chest wall tumors; minimally invasive thoracic surgery, including robotic, thorascopic, laparoscopic and bronchoscopic procedures; cancer outcomes; and general thoracic surgery