Dr. Marc Krikor Kaloustian is a distinguished clinical professor at the School of Dental Medicine at Saint Joseph University (USJ) in Beirut, Lebanon, with a rich educational background that includes a Doctor in Dental Surgery and multiple Masters degrees, including in Endodontics and Biomaterials. He has held various roles since 2002, culminating in his current position as a clinical professor where he significantly contributes to endodontic education. A practicing endodontist since 2002, he balances his responsibilities in private practice with active involvement in the Lebanese Society of Endodontology, where he has served in several leadership roles, including treasurer and scientific chair. Dr. Kaloustian is also a noted speaker at international endodontic congresses and has published extensively in peer-reviewed journals, focusing on advancements in dental techniques and materials. His commitments extend beyond academia and clinical practice, as he also volunteers as a dentist and conducts workshops for dental manufacturers.