DDS from University of Iceland. Graduated from University of North Carolina (UNC) in 1992, with certificate in endodontics and MS. Full time faculty at UNC 1992-2004, was the Graduate Program Director of Endodontics 1997 to 2004. From 2004 to 2012 in a private endodontic practice in Reykjavik, Iceland and London, UK and Honorary Clinical Teacher in Endodontology, UCL Eastman Dental Institute, UK. In 2012, he became the Chairman and tenured Professor at NYU Dentistry, Department of Endodontics. Additionally, he is an adjunct Professor at UNC. Dr. Sigurdsson is past President of the International Association for Dental Traumatology and 2014 he was appointed as a Director of the American Board of Endodontics and served as the President of the Board 2019-20. He is currently on the editorial board of Dental Traumatology. Dr. Sigurdsson has been invited numerous times to lecture in 47 countries all over the world, on the topics of pain, endodontics, dental trauma and/or forensic sciences. He has written or co-written over 85 per-reviewed articles and 23 textbook chapters on same topics. 

Dr. Peter Giannini is an Associate Professor at the University of Nebraska Medical Center (UNMC) College of Dentistry, Department of Oral Biology, and Director of Clinical and Translational Research at the Cruzan Center for Dental Research.

Dr. Giannini received his Doctor of Dental Surgery from the University of California, San Francisco School of Dentistry in 1997. He subsequently trained in Oral and Maxillofacial Pathology at The Ohio State University College of Dentistry, earning a Certificate in Oral and Maxillofacial Pathology and a Master of Science in Oral Biology in 2000. During that same year, Dr. Giannini joined the faculty of Temple University School of Dentistry in Philadelphia. He became a member of the UNMC College of Dentistry faculty in 2005.

Dr. Giannini is a Diplomate of the American Board of Oral and Maxillofacial Pathology. In addition to practicing in the Oral Pathology biopsy service, he sees Oral Medicine referral patients at the college's University Dental Associates (UDA) faculty practice clinic. In the UDA Clinic, Dr. Giannini specializes in the diagnosis and management of oral lesions; including but not limited to: lichen planus, mucous membrane pemphigoid, burning mouth syndrome, xerostomia, bone pathology of the jaws, oral manifestations of systemic disease and complications of cancer therapy. In addition, Dr. Giannini also directs the Tobacco Cessation Clinic at the College of Dentistry. His research interests include oral carcinogenesis, the oral manifestations of drug abuse and the management of oral mucosal disease.

Dr. Niemczyk graduated from the University of Pennsylvania School of Dental Medicine, receiving his D.M.D. in 1982 and his postgraduate Endodontic certificate in 1984. Since 1995, Dr. Niemczyk has been the Director of Endodontic Microsurgery at the IB Bender Postdoctoral Endodontic Program at Albert Einstein Medical Center in Philadelphia, and was recently named the Assistant Program Director in 2018. He is the 2020 recipient of the AAE Calvin D. Torneck Part-Time Educator Award, and also serves as a surgical consultant to the Naval Postgraduate Endodontic Program at the Walter Reed National Medical Center in Bethesda, MD, and the U. S. Army Endodontic Residency Program in Fort Gordon, GA. 
Dr. Niemczyk has lectured extensively in the U.S., Central America, Europe, the Middle East and Asia on topics ranging from Microsurgery and Intentional Replantation to advances in Non-Surgical Endodontics and Cone-Beam CT. He has authored numerous papers, chapters on Microsurgery in Dental Clinics of North America, Ingle’s Endodontics 7th Edition and CBCT in Non-Surgical Retreatment. He is a member of the Scientific Advisory Board for the Journal of Endodontics and the Journal of Oral and Maxillofacial Surgery, Medicine and Pathology. He is the founder of Endodontic Microsurgical Innovations, dedicated to the development of new treatment techniques and instrumentation. He is a Diplomate of the American Board of Endodontics, and maintains a full-time practice limited to Endodontics in Drexel Hill, PA.

Dr. Garry L. Myers currently serves as the graduate endodontic program director at Virginia Commonwealth University (VCU) in Richmond, Virginia. He completed his dental school education at the University of Texas Health Science Center/ San Antonio in 1985. Six years later he completed his endodontic residency program at Wilford Hall Medical Center at Lackland AFB in San Antonio. He became a Diplomate of the American Board of Endodontics in 1994. After serving on active duty for 13 years, Dr. Myers left the USAF in 1998 to enter full-time private practice in Olympia, Washington where he practiced for the next 16 years. In the summer of 2014, full time education entered the picture when Dr. Myers accepted a position at VCU where he now works. Dr. Myers has been active in organized dentistry having served as the president of the Washington State Association of Endodontists in 2006-07 and as the President of the American Association of Endodontists in 2017-18. Dr. Myers currently serves as an ABE Director and as the endodontic CODA Commissioner. He has spoken internationally at meetings in Japan, South Korea, San Diego and Guatemala.

Dr. Jae M. Shin is a full time endodontist and an adjunct Clinical Associate Professor at the University of Michigan. His research interests include oral microbiology and clinical research related to endodontics. Dr. Shin graduated from the University of Michigan with a DDS, MS (Endodontics) and PhD in Oral Health Sciences. Dr. Shin's career goals are to integrate evidence-based research with clinical practice to provide optimal patient care, and continue to dedicate his efforts in providing leadership, teaching, and service to the endodontic community.

Dr. Ordinola Zapata obtained his D.D.S. degree in 2001 from Inca Garcilaso de la Vega University in Lima-Peru. After practicing for six years as a general dentist, Dr. Ordinola Zapata continued his career at the Endodontic Department of the University of Sao Paulo in Brazil, where he obtained a Master and a Doctoral degree in Endodontics. In 2014, he moved to USA to continue his training. Dr. Ordinola Zapata completed a two-year Advance Education in General Dentistry residency program at Larkin Community Hospital in Miami and his Endodontic residency program at the IB Bender Endodontic Division, Albert Einstein Medical Center in Philadelphia. In his academic career, Dr. Ordinola Zapata has published more than 70 scientific papers in peer-reviewed journals and lectured internationally in more than 10 countries. Dr. Ordinola Zapata also serves as Associate Editor of the International Endodontic Journal (UK) and is a member of the scientific advisory board of the Journal of Endodontics (USA).

Dr. Zhen Shen received his PhD degree in Cell and Developmental Biology from the University of Illinois, Urbana-Champaign (2012), and the DMD degree (Magna Cum Laude) from Harvard School of Dental Medicine (2019). He received his certificate and MSD degree in Endodontics from the University of Texas Health Science Center at Houston School of Dentistry (2021) and became a diplomate of the American Board of Endodontics in 2022. Dr. Shen is currently a clinical assistant professor at the University of Texas Health Science Center at Houston School of Dentistry and also works in private practice. Dr. Shen has published several peer-reviewed articles in the field of Endodontics and Cell Biology.

Dr. Ariadne Letra is a tenured professor of Oral and Craniofacial Sciences and Endodontics, and a member of the Center for Craniofacial and Dental Genetics at the University of Pittsburgh School of Dental Medicine.  She obtained her DDS degree from Fluminense Federal University, a MS in Endodontics at State University of Rio de Janeiro, and a PhD in Oral Biology from the University of Sao Paulo, Brazil. She moved to the US to pursue a postdoctoral fellowship in Human Molecular Genetics at the University of Pittsburgh, where she remained as Assistant Professor until 2011. From August 2011 to May 2022, Dr. Letra was on the faculty at UTHealth School of Dentistry in Houston before returning to the University of Pittsburgh in June 2022.

Dr. Letra’s research focuses on gene discovery and functional genomic characterization approaches to understand the etiology of complex craniofacial and oral traits and conditions such as cleft lip/palate, tooth agenesis, and apical periodontitis. Another aspect of Dr. Letra’s work focuses on identifying genetic variants potentially contributing to the interconnectedness between oral and systemic health and disease. Work from her lab pioneered the use of genome-wide analysis and next generation sequencing approaches for apical periodontitis and tooth agenesis, respectively, contributing to advances in the field. 

Dr. Letra has been the principal investigator for several NIH and AAE foundation grants and has served in various NIH study sections. Her residents have also been recipients of numerous AAE Resident Research grant awards and placed among the top ten winners of the AAE/Dentsply Resident Research Presentation Awards for the last ten years.

Dr. Letra’s work has been recognized through prestigious awards including the 2020 Journal of Endodontics Best Paper in Clinical Research Award, first place in the IADR Hatton Competition (2016), and the Friends of NIDCR Oral Health Research Video Contest (2015). Her work was also featured on the cover of the Journal of Endodontics, Journal of Dental Research, and Orthodontics and Craniofacial Research Journal.  Dr. Letra is a recipient of the distinguished 2018 AADR/SCADA Burton C. Borgelt Faculty Advisor Award for her contributions to mentoring student research. She has authored over 150 peer-reviewed articles, 5 book chapters, and numerous abstracts and publications in the media. She is an associate editor of the Journal of Endodontics, and a member of the editorial board of numerous medical and dental journals including the Journal of Dental Research, Journal of Dental Research Clinical and Translational Research, American Journal of Human Genetics, among others.

Dr. Letra has served as a member and officer in numerous committees at the AAE, AADOCR, and IADR. She is currently Vice President of the IADR Craniofacial Biology Group, past Chair of the AAE Research and Scientific Affairs Committee and past president of the IADR Women in Science Network (WISN). 

Dr. Silva received his DDS from the University Gama Filho, Rio de Janeiro, Brazil, in 1994. He received his endodontic certificate from both Brazil (University Gama Filho) and US (University of Texas Health Science Center at Houston). Dr. Silva received his MS (2002) in Endodontics and PhD (2006) degree in Oral Sciences from University of Sao Paulo, Brazil. He also completed a postdoctoral fellowship in Human Molecular Genetics at the University of Pittsburgh. Dr. Silva worked as an Assistant Professor at University of Pittsburgh from 2007 to 2011, and Associate/Professor/Department Chair at University of Texas at Houston from 2011 to 2021. Dr. Silva is currently a Professor and Chair of the Department of Endodontics at The University of Pittsburgh, School of Dental Medicine. Dr. Silva has edited a textbook about Endodontic retreatment and published several peer-reviewed articles in the field of Endodontics and Human Genetics. He is a board-certified endodontist and maintains a faculty practice limited to Endodontics.

Dr Floratos received his DMD from the University of Thessaloniki School of Dentistry in Greece in 2001. He received a Certificate in Endodontics at the University of Pennsylvania School of Dental Medicine in 2009. Since 2009, he holds an Adjunct Assistant Professor appointment at the Endodontic Department of University of Pennsylvania. He is a retired Commander of the Greek Navy and former Director of the Endodontic Department of the Athens Naval Hospital in Greece. Dr Floratos is the author of three chapters in Professor Kim & Kratchman’s textbook ‘Microsurgery in Endodontics’ published in 2017 and one chapter in Professor Tsesis’ ‘Endodontic – Periodontal Lesions’ textbook published in 2019. He has presented in endodontic meetings in USA and Europe and has published in national and international endodontic journals.

Dr. Alan Law received his Doctor of Dental Surgery and Certificate in Endodontics from the University of Iowa College of Dentistry, Iowa City, Iowa. He also completed his PhD, “Mechanisms and Modulation of Orofacial Pain”, with the Department of Pharmacology at the University of Iowa. He is Immediate Past President of the American Association of Endodontists, a Past President of the Minnesota Association of Endodontists, and Past President of the American Board of Endodontics. He is in full–time practice in the Twin Cities, and President of The Dental Specialists, a multi-specialty dental practice with over 30 specialists. He is also a Research Professor in the Division of Endodontics at the University of Minnesota.