Ben Lim graduated with a bachelor of dental surgery from the National University of Singapore in 1988. In undergraduate school, he was already active in organising and participating in dental school activities and conferences.

He went on to serve as a staff officer in MINDEF and was entrusted to oversee the logistics of 13 dental clinics. He has worked in a few clinics before going on to start Hosanna! Dental Surgery in 1999.

He has special interest in Implants, Wisdom Teeth Surgery, Root Canal therapy and Prosthodontics.

He is a father to 3 boys and he often goes on church mission trips with his whole family.