Alfredo Hoyos, MD, is a board-certified Plastic Surgeon from Bogotá, Colombia. He undertook his medical training at Rosario University and subsequently specialized in plastic surgery. Dr. Hoyos is the inventor of high-definition liposculpture (HDL) and other advanced body contouring techniques. Making use of cutting-edge VASER technology, he designed VASER Hi-Definition Lipoplasty (VHD), which produces a high muscle definition in both ... Read moremen and women. Dr. Hoyos and his associates have performed more than 1500 procedures with reliable, consistent, and safe results. Dr. Hoyos continues to refine these techniques as well as to develop and create new applications of HDL to additional anatomical regions. Furthermore, he has extensive experience as a lecturer and trainer for both VASER and Smartlipo. Dr Hoyos is also a medical illustrator, painter, and sculptor. Peter Michael Prendergast, BMedSc, MB, BCh, BAO (Hons), MRCSI, graduated from the National University of Ireland in Cork and De La Salle College in Waterford. After a final medical clerkship at Harvard Medical School and Massachusetts General Hospital, he completed his surgical training at the Adelaide and Meath Hospital, Dublin. Since 2005 he has been in private practice in aesthetic medicine as the Medical Director of Venus Medical. He is an official trainer for VASER-assisted lipoplasty. Dr. Prendergast is Founder and President of the European College of Aesthetic Medicine and a Founder Member of the Irish Association of Cosmetic Doctors. He has delivered courses and lectures across the world on a range of topics in aesthetic medicine and is the author of many book chapters and journal articles. In 2011, Dr. Prendergast co-edited the book Aesthetic Medicine: Art and Techniques with Melvin A. Shiffman. Show Less