Dr Rotstein is Professor and Chair of Endodontics, Orthodontics and General Practice Residency, and Associate Dean at the Herman Ostrow School of Dentistry of the University of Southern California in Los Angeles. He is also an Ambassador Member of the University of Southern California.

He has served in leadership roles for various dental organizations including Chair of the Research Committee of the International Federation of Endodontic Associations, member on committees of the American Association of Endodontists, European Society of Endodontology and as scientific reviewer for international endodontic and dental journals. He has also served as President of the Southern California Academy of Endodontists, Israel Endodontic Society, International Association for Dental Research- Israel Division, and Chair of the Israel National Board of Diplomates in Endodontics.

Dr Rotstein has published over 150 scientific papers and research abstracts in the dental literature as well as chapters in international endodontic textbooks including Ingle’s Endodontics, Pathways to the Pulp, Endodontics: Principles and Practice, Seltzer and Bender’s Dental Pulp, and Harty’s Endodontics in Clinical Practice. He is the Editor-in-chief of the 7th edition of the classic textbook Ingle’s Endodontics and web editor of the 11th edition of Pathways to the Pulp. Dr Rotstein has lectured extensively in more than twenty-five countries throughout five continents.