Dr Colin Theng is a Consultant Dermatologist and Medical Director at the Skin Specialists and Laser Clinic at Mount Alvernia Medical Centre. He is the current President of the Psoriasis Association of Singapore and is a Councilor with the International Psoriasis Council. He was the former Chief of the Psoriasis and Phototherapy Unit at the National Skin Centre, Singapore. His subspecialty interest is in the areas of Psoriasis and Phototherapy and Photodermatology.