On September 7, 2025, Dr. Sang Ju Lee served as a session chair at the 22nd Annual Meeting of the Busan-Ulsan-Gyeongnam Dermatologists Association held at Lotte Hotel Busan, where sessions covered pigmentation, acne, facial redness, lifting, and other areas of dermatologic practice.

He chaired the session on pigment treatment, leading discussions ranging from picosecond-laser pigment treatment to pores and skin regeneration based on clinical experience.

