1. ISAPS Tokyo 2013, Faculty : Strategy of Facial Rejuvenation for East Asian

2. ISAPS meeting 2014, Brazil, Faculty : Moderator, Periorbital area I.

3. ISAPS  Japan  2016, Faculty : Classification of Nasal Contracture – Morphology and Histology / Intraoral Malaplaty with Endoscopic Forehead Lift and Midface Lift