Dr. Funk spent the next five years completing his residency in General Surgery at Baylor University Medical Center at Dallas and became board-certified in General Surgery by the American Board of Surgery in 2010. He completed a fellowship in Surgical Critical Care at the University of Texas Southwestern Medical Center prior to returning to Baylor University Medical Center at Dallas as an Attending Surgeon in General and Trauma Surgery/Surgical Critical Care.

In 2011, Dr. Funk was appointed as an Assistant Professor of Surgery at the Texas A&M University System Health Science Center and also received the distinction of being selected as the Clerkship Director for all medical students at the Dallas campus.