Dr. Zenn is board-certified in Plastic Surgery by the American Board of Plastic Surgery. He is currently an examiner for the Board, and annually administers oral boards to eligible plastic surgeons. In 1995, Dr. Zenn became an Assistant Professor of Plastic and Reconstructive Surgery at The University of North Carolina Hospitals in Chapel Hill. In 2000, Dr. Zenn was recruited to the Division of Plastic and Reconstructive Surgery at the Duke University Medical Center, where he held many titles over 17 years,
including Professor with Tenure, Vice Chief of the Division of Plastic Surgery, Director of Resident Training and Co-Director of the Facial Reanimation Program. Zenn's unwavering commitment to education and excellence is evident in his globally renowned YouTube series, "How to Suture," with 170,000 subscribers, and his "Basic Suture Video" boasting an incredible 21 million views. His expertise and instructional content have empowered millions of students and physicians worldwide to excel in their suturing skills.