Dr. Nadisha Rajan graduated with a Bachelor of Dental Surgery from the University of Glasgow in 2012. She has practiced in both Scotland and Singapore.

Dr. Rajan is an active volunteer for overseas dental mission trips. In 2013, she worked with a team of dentists and nurses to provide pediatric dentistry services to orphans and children with disabilities in Phnom Penh. She has volunteered as a teacher in numerous countries such as Malaysia and Scotland, organising and giving lessons to children with special needs.