Dr. Dhar holds multiple positions at the University of Maryland School of Dentistry, including clinical professor and chair of Orthodontics and Pediatric Dentistry, and assistant dean of postgraduate and professional studies. He currently serves as the Director of the American Board of Pediatric Dentistry (ABPD). Within the American Academy of Pediatric Dentistry (AAPD), Dr. Dhar is a member of both the Editorial Board of Pediatric Dentistry and the Evidence-Based Dentistry Committee. He also acts as a consultant for the Council on Scientific Affairs and the Council on Postdoctoral Education. He also serves as the chair of the American Dental Association (ADA) Guideline Advisory Panel. Additionally, he leads the Science Committee for the International Association of Paediatric Dentistry (IAPD). His work focuses on integrating evidence-based dentistry into education and patient care. Dr. Dhar contributes his expertise to AAPD, IAPD, and ADA expert panels, helping to develop evidence-based clinical recommendations.