Dr. Asgeir Sigurdsson was born and raised in Reykjavik, Iceland. In 1988, he earned his Cand. Odont. degree from the University of Iceland Faculty of Dentistry. After one year of private practice in Akureyri, Iceland, he moved to Chapel Hill, N.C., where he attended the University of North Carolina at Chapel Hill School of Dentistry and earned his certificate in endodontics and Master of Science degree with an emphasis on neurobiology and pain perception in 1992.

Full time faculty member at UNC School of Dentistry from 1992 until 2004, first as an assistant professor and then promoted to associate professor with tenure in year 2000. Appointed as the Graduate Program Director of Endodontics (specialty training) in 1997 and severed in that position until 2004. From 2004 to 2012 he was in a private endodontic practice in Reykjavik, Iceland and London, UK.

In September of 2012 he became the Chairman of the Department of Endodontics, New York University College of dentistry. Additionally he holds the following academic positions: From 2004 an adjunct Associate Professor at UNC, Honorary Clinical Teacher in Endodontology, UCL Eastman Dental Institute, London UK form 2006 and from 2011 Honorary Clinical Associate Professor in the Faculty of Dentistry, The University of Hong Kong.

Dr. Sigurdsson has lectured extensively around the World on dental trauma, endodontics, pain diagnosis and forensic dentistry. Written or co-written over 55 refereed articles and 18 book chapters on the same topics. Active in many professional organizations and is past-President of the International Association for Dental Traumatology (IADT)