Dr Siqueira is Professor of the Postgraduate Program in Dentistry, Grande Rio University, Rio de Janeiro, and Professor and Chairman of the Dental Research Group, Iguaçu University, Nova Iguaçu, RJ, Brazil. He has authored 11 books on endodontics, microbiology, and immunology and also several chapters for leading international endodontic textbooks. Dr Siqueira is one of the most prolific authors in dentistry, having published more than 400 scientific papers. He is the recipient of the 2014 Louis I. Grossman award from the American Association of Endodontists and the 2012 Louis I. Grossman award from the French Society of Endodontics. He currently serves as a member of the editorial board of several international journals for which he is also a reviewer. Dr Siqueira actively lectures on the subject of endodontics worldwide.