Theddeus O.H. Prasetyono, M.D., PhD. is a Hand and Microsurgery Consultant in Division of Plastic Surgery, Cipto Mangunkusumo Hospital/University of Indonesia and also the chairman of ICTEC (Indonesian Clinical Training and Education Center). Dr. Teddy did his training in plastic surgery specialist at Cipto Mangunkusumo Hospital/ University of Indonesia. He took his fellowship training in Reconstructive Microsurgery and Hand and Microsurgery in the United States and became a member of ASPS since 2002. His main area of interest and research are in the field of non-tourniquet technique of hand surgery, flap surgery, and aesthetic surgery.He actively participates in various seminars, trainings, and scientific meetings, both as participants and speakers. Currently, he is an active member and official bearer of several national and international organizations, such as Indonesian Society for Surgery of the Hand, OSAPS (Oriental Society of Aesthetic Plastic Surgery), and ISAPS (International Society of Aesthetic Plastic Surgery). He is the founder member of ASBPRS (Asian Society of Breast Plastic Reconstructive Surgeons). He has published numerous scientific papers and books. In addition, he is also listed as an editor and reviewer for several national and international journals, including Hand Surgery, Aesthetic Plastic Surgery, and APS (Archives of Plastic Surgery).