Dr. Neoh Leong Seng received his Bachelor of Dental Surgery from the University of Malaya in 1992. After that, he went into private service and set up his general dental practice in 1994. He constantly pursues dental education, local and abroad, with a special interest in aesthetic dentistry, orthodontics and implant dentistry.
He is the first DSD certified practitioner in Malaysia and the first few in the region. He actively lectured, organised and coordinated dental education activities, and mentored the younger generation of dentists. He is the founder and admin of the most popular FaceBook group for dental professionals in the region, MAD (Malaysian Aesthetic Dentists) which has grown to over 7800 members.