Dr. Yoko Funasaka is a professor of dermatology at Nippon Medical School in Tokyo and she specializes in pigment cell biology, photomedicine, and cosmetic/aesthetic dermatology. She holds various key positions in numerous academic societies, including President and Director of the International Federation of Pigment Cell Research, Director of the Japanese Society for Pigment Cell Research, Director of the Japanese Society for Photomedicine Photobiology, Director of the Japan Society for Laser Surgery and Medicine, Director of Japanese Society of Aesthetic Dermatology, Councilor of Japanese Society for Investigative Dermatology, Councilor of the Japanese Society of Anti-aging Medicine, Councilor of the Japan Cosmetic Science Society, Vice Chairman of the Japan Society of Cosmetic Medicine. Further, she is a certified dermatologist and Chairperson of the committee for laser instructor specialist at the Japanese Dermatological Association and has more key positions in other associations. Dr. Funasaka not only publishes extensive research but also contributes significantly to clinical practice and education, making her well-known in the field of dermatology in Japan.