Nai-Jen Hsu is the director of Hsu Nai-Jen Dermatologic Clinic located in Tainan, Taiwan.Dr Hsu obtained his medical degree in 1995 from the National Yang Ming Medical University, Taiwan. Subsequently, he completed a three-year residency in dermatology at the Veterans General Hospital Kaohsiung, Taiwan. From 1998 to 2000, he served as Attending Physician in Dermatology at the Yungkang Veterans Hospital, Tainan, Taiwan, and from 2000 to 2003, as Attending Physician in Dermatology at Veterans General Hospital Kaohsiung, Taiwan. He established the Hsu Nai-Jen Dermatologic Clinic in 2003.During his distinguished career, Dr Hsu has been honoured with awards in Taiwan including the ‘Outstanding clinical teacher of dermatology’ award from the Veterans General Hospital Kaohsiung in 1998, and the ‘Outstanding paper’ award from the Skin Education Research and Development Foundation in 1999.Dr Hsu is affiliated with several professional societies including the Chinese Dermatological Society, Laser Medicine Society of the Republic of China, and Chinese Medical Association of Accupuncture. He is also a certified trainer for Restylane, Radiesse and Sculptra treatments.Dr Hsu is a keen researcher and his work has been published in the Dermatologica Sinica and Environmental Dermatology. He has also translated two textbooks in dermatology from English into Mandarin.