Dr. Benjamin CHEN is a dermatologist at Jiahui Health. He graduated from Peking University and received PhD degree in Dermatology and Venereology with the supervision of Professor Li Hang, vice dean of Peking University First Hospital. He completed his residency training at Peking University First Hospital and Beijing Chaoyang Hospital. Dr. Chen has over 8 years experience in diagnosis and treatment of common and cosmetic skin conditions，focusing on comprehensive treatment for facial rejuvenation. Dr. Chen was involved in National natural science foundation projects: correlation between intra-tumor heterogeneity and gene copy number variation and single nucleotide variation in early-to-mid-acral cutaneous malignant melanoma tumors. 

Dr. YANG Xiaoqin is currently a dermatologist at Jiahui Medical Center. Dr. Yang graduated from Central South University Xiangya Medical School and Fudan University Shanghai Medical College, and obtained a doctor’s degree in dermatology and venereology from Zhongshan Hospital, Fudan University. Dr. Yang has served as a dermatologist in the Department of Dermatology at Shanghai Skin Disease Hospital and Pudong New Area People's Hospital, with over ten years of clinical experience. She specializes in the diagnosis and treatment of common skin diseases, dermatoscopy, and medical cosmetic treatment.

Dr. Yang is also a member of the Dermatological Non-invasive Diagnostics Group of the Chinese Rehabilitation Medical Association, the Photodynamic Therapy and Weak Laser Group of the Shanghai Laser Medicine Branch of the Shanghai Medical Association, and the Dermatology Committee of Pudong New Area, Shanghai.

Dr. Mark LIU is a dermatologist at Jiahui Health. Dr. Liu received a medical degree of Dermatology and Cypridology from Peking University Health Science Center. He has over eight years of experience with treatment of general dermatosis, skin tumor, dermatologic surgery, dermoscope examination and cosmetic laser. Dr. Liu formerly worked as a dermatologist at the Peking University International Hospital. He participated in translating Fitzpatrick’s Color Atlas and Synopsis of Clinical Dermatology into Chinese. He is currently a member of the committee of plastic surgery under the medicine and health association for cross-Straits exchange. Dr. Liu is experienced in treating general dermatosis, skin tumor, operating dermatologic surgery and intense pulse light (IPL), fractional CO2 laser and Q-switched Nd:YAG laser treatment.