He is an active member of a number of professional associations such as the American Society of Plastic Surgery, World Society of Reconstructive Microsurgery, and Korean Society of Plastic Surgery.

His major work has been research and clinical practice in wound healing, diabetic foot reconstruction and microsurgery. He is on the editorial board for numerous journals including Plastic and Reconstructive Surgery, International Wound Journal, Journal of Reconstructive Microsurgery, Journal of Plastic and Reconstructive Surgery and more. He has been invited in over 80 countries to present his work and is visiting professor for more than 20 institutions. He has over 160 publications in this field of practice with 24 book chapters including the Neligan Plastic surgery. He was recently awarded the “Godina Travelling Fellowship” from the 2015 American Society of Reconstructive Microsurgery.