Kian Karimi, MD, FACS, is a renowned facial plastic and head and neck surgeon, double board-certified by the American Board of Facial Plastic and Reconstructive Surgery and the American Board of Otolaryngology – Head & Neck Surgery. Based in Los Angeles, he leads a practice specializing in advanced facial plastic surgery and non-invasive procedures. In 2015, Dr. Kian founded Rejuva Medical Aesthetics in Brentwood, Los Angeles, and also treats patients at Pacific Eye & Ear, part of the Pacific Neuroscience Institute. He is recognized for pioneering non-invasive techniques and trains surgeons nationwide on PDO thread techniques, microcannula filler injections, and the use of autologous blood plasma for aesthetic and reconstructive purposes.