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.