Dr. Muñiz was trained by world renowned surgeons Edward Ellis III, RV Walker, Douglas Sinn, John Paul Stella and Michael Zide. Dr. Muñiz also did a one year General Surgery internship at UT Southwestern Medical Center at Dallas. In 2004, Dr. Muñiz completed a Facial Plastic Surgery fellowship at the Willowbend Cosmetic Surgery Center, in plano, Texas.