Dr. Johnny Liaw completed his orthodontic training at National Taiwan University Hospital in 1994 and obtained his master's degree from Chang Gung University. Since 2002, he has been in private practice, following eight years as a visiting staff member at Shin Kong Memorial Hospital. Dr. Liaw continues to contribute to education through part-time teaching at National Taiwan University. Notably, he served as the President of the Taiwan Association of Orthodontists in 2013 and 2014, and as the Chair of the Taiwan Board of Orthodontics in 2015 and 2016. Dr. Liaw's primary focus is achieving orthodontic excellence through interdisciplinary treatment and the utilization of Temporary Anchorage Devices (TADs). He actively shares his experiences and insights nationally and internationally, aiming to elevate orthodontic practices to the next level of excellence.