Clin Assoc Prof Mark Koh is an experienced dermatologist, paediatric dermatologist, and dermatopathologist based at KK Women's and Children's Hospital (KKH), where he serves as Head and Senior Consultant of the Dermatology Service. His expertise spans atopic dermatitis, genodermatoses, vascular anomalies, histiocytic disorders, cutaneous lymphomas, and skin cancer syndromes. He has contributed to setting up multidisciplinary clinics, such as the Vascular Anomalies Clinic and Genodermatoses Clinic, enhancing patient care across various complex dermatological conditions.

Prof Koh's academic credentials include a series of prestigious qualifications, including a MBBS from Singapore and fellowships in dermatology, paediatric dermatology, and dermatopathology from renowned institutions. His research interests focus on atopic dermatitis, skin cancer syndromes, and genodermatoses, with numerous publications in peer-reviewed dermatology journals. As a dedicated educator, he is involved in teaching medical students and specialists, further advancing the field of dermatology through innovation and research.