Dr. Sam Kratchman was born and raised in New York. He received both a B.S. in Biology and a D.M.D. from Tufts University in Boston. Sam then entered The University of Pennsylvania, where he received a Certificate of Endodontics.

A prominent leader in his field, Dr. Kratchman currently teaches at U. Penn as an Associate Professor of Endodontics, and he is the Assistant Director of Graduate Endodontics, in charge of the microsurgical portion of the program. He frequently lectures on several Endodontic topics throughout the United States, Europe, South America, Canada and Asia.

Dr. Kratchman has authored several articles and chapters on Endodontics, and has co-authored the textbook of Endodontic Microsurgery with Dr. Kim in 2017. He also developed a patented instrument called the S Kondenser for the obturation of root canals. Both Main Line Today and Doctor of Dentistry magazines honored Dr. Kratchman as the cover story for their "Best of" issues.

Dr. Jaime J. Silberman is a board-certified endodontist with a strong academic and clinical background. He earned his Certificate in Endodontics in 1997 and his Doctor of Dental Surgery (D.D.S.) degree in 2000, both from Columbia University in New York City.
Following his training, Dr. Silberman served as a full-time Assistant Professor in the Endodontic Division at Columbia University from 1997 to 2002. He remains actively involved in dental education and currently teaches at Nova Southeastern University in Florida, where he serves as an Adjunct Assistant Professor and Co-Director of the Microsurgical Endodontics course in the postgraduate program.
In addition to his role at Nova, Dr. Silberman is also a Visiting Professor at Cayetano Heredia Peruvian University and maintains a private practice limited to endodontics in Boynton Beach, Florida.
He is a recognized speaker both nationally and internationally, lecturing on topics including microsurgical endodontics, CBCT in surgical endodontics, and grafting procedures in endodontic surgery.
Dr. Silberman is a member of the American Association of Endodontists and the American Dental Association. He is fluent in both English and Spanish.

Dr. Ji Wook Jeong graduated from Kyunghee University School of Dentistry in Seoul, South Korea, in 2001, and earned his Doctor of Dental Medicine (DMD) degree from the same institution in 2001.He received his Associate Fellowship from the American Academy of Implant Dentistry (AAID) in 2008. Additionally, he served as an instructor and mentor for the Korea MaxiCourse® of the AAID from 2008 to 2012. In 2017, he graduated from the Advanced Program in Endodontics at the University of Texas Health Science Center (UTHSC) at Houston, School of Dentistry, where he earned a Master of Science in Dentistry (MSD) and a certificate in the specialty of Endodontics. Since graduating, he has been working as a full-time faculty member at department of Endodontics, UTHSC Houston. Currently, he serves as the Course director for Endodontic Surgery and the research director for the endodontic residents. He became a diplomate of the American Board of Endodontics in 2019. He is an active member of the Scientific Advisory Board of the Journal of Endodontics, and the Research Committee of the Asian Pacific Endodontic Confederation.

Zameera Fida is a dual trained, dual board-certified endodontist and pediatric dentist. Her clinical interest focuses on the endodontic treatment needs of the young patient. Dr. Fida built an endodontic clinic for pediatric patients within the Department of Dentistry at Boston Children’s Hospital. Through these services, she was providing comprehensive endodontic care for the young patient. She recently transitioned to the Tufts University School of Dental Medicine where she is Chair of the Department of Endodontics and Program Director for the Advanced Graduate Program in Endodontics. In this new role, Dr. Fida aims to train endodontists and general dentists to feel more comfortable in management of the endodontic needs of the immature permanent tooth.

Dr. Kolnick received his dental degree, cum laude, from the University of the Witwatersrand in South Africa, where he was the first dental school graduate to be awarded the University Scholarship for Overseas Postgraduate Study. He received his postdoctoral endodontic training from Columbia University in the City of New York.

Dr. Kolnick has been committed to endodontic education, first as an Associate Clinical Professor in Endodontics at Columbia University and then as an Attending at Westchester Medical Center and an Associate Clinical Professor in Endodontics at New York Medical College. Although he no longer holds these positions, he continues to lecture extensively on local, national and international levels and has published several articles on endodontics. Dr. Kolnick is dedicated to fostering excellence in endodontics through education and the incorporation of the latest technology. For the past 18 years, his experience and expertise in lasers has made a significant contribution to the development of a comprehensive, laser-assisted treatment concept in endodontics.

Lynn M. Gaumer, J.D., CAP® is the senior gift planning consultant for The Stelter Company and a board member of both the Mid-Iowa Planned Giving Council and the National Association of Charitable Gift Planners, where she previously chaired the Leadership Institute. She is also a member of NACGP’s 2025 Development and Government Relations Committees. 

With over 25 years of experience in estate and charitable planning, Lynn has spent more than 13 years at Stelter, advising clients on technical planned giving matters and ensuring the accuracy of nonprofit marketing communications. She regularly presents technical webinars for Stelter, speaks at conferences nationwide on a variety of planned giving topics, and authors Stelter’s Expert Insights, a publication covering trends and research in planned giving. Her expertise has also been featured in Planned Giving Today, where she has published two articles. 

 Before joining Stelter, Lynn spent a decade as an associate attorney specializing in estate and charitable planning. 

 She earned her B.A. in economics and communication studies from the University of Iowa and her J.D. from the University of South Dakota School of Law. 

Lynn has three grown children and resides in Ankeny, Iowa, with her husband, Craig, and their “mystery mutt,” Cosmo. 

Dr. Luis Ney Quiterio Montero isa specialist in Endodontics with over 20 years of combined experience inclinical practice, academia, and research. He is currently a clinicalinstructor at the University of Toronto and a doctoral candidate in Health atthe University of Bath. He previously served as Co-Director of theundergraduate Endodontics program at Dalhousie University, where he contributedto curriculum development and clinical training.

Dr.Quiterio Montero’s academic roles have also included teaching appointments atthe University of the West Indies and several institutions in Latin America andthe Caribbean. His research focuses on root canal disinfection and theapplication of artificial intelligence in Endodontics. He has published in the Journalof Endodontics and co-authored textbook chapters on biomaterials inEndodontics.

He hasreceived several distinctions, including the Richard Komorowski Award forclinical instruction and Fellowship in the Pierre Fauchard Academy. He is alsoa Fellow of the Royal College of Dentists of Canada, an examiner for the RCDC,and a peer reviewer for the Journal of Dental Education. Dr. QuiterioMontero is committed to advancing evidence-based practice and excellence indental education.

Dr. Bettina Basrani is Tenured Associate Professor and Director, MSc Program in Endodontics at the Faculty of Dentistry, University of Toronto, Ontario, Canada since 2015. Dr Basrani received her DDS degree from the University of Buenos Aires and a Specialty Diploma in Endodontics and PhD from Maimonides University in Buenos Aires, Argentina. A long-time educator and researcher, she began her teaching career at the University of Buenos Aires. In 2000, she moved to Canada to serve as Chair of the Endodontic Program at Dalhousie University, Halifax, Nova Scotia. In 2004, she moved to Toronto, where she has continued her academic and clinical work. Internationally recognized as a leading authority in endodontics and as an excellent lecturer, effectively combining clinical and scientific information, Dr Basrani has received many awards throughout her career, such as the Louis Grossman Award by the French Society of Endodontics and has international courses and lectures, over 40 peer-reviewed scientific publications, three textbooks and several textbook chapters, and abstracts to her credit. Recently, in 2021 she was recognized as one of the most influential graduates from the University of Buenos Aires. She serves as reviewer for several endodontic journals. Dr Basrani is a member of many endodontics societies around the world.

Professor David A. Ellis holds a personal chair in Behavioural Science at the University of Bath and is a globally recognized expert in digital technology's impact on research and daily life.

Working at the intersection of psychology and data science, his primary focus has been on the descriptive or predictive value of new and emerging forms of data for understanding the dynamics of behaviour in the digital age. He has explored the psychological value and impacts of technology as it relates to privacy, security, health, and well-being. This includes spearheading innovative research practices alongside the analysis of digital data, which continues to advance the discipline of psychology and the wider academic community.

David's research has been supported by research councils, government agencies, and industry partners. He has collaborated with civil servants, government analysts, NHS staff, patients, artists, technology entrepreneurs, and members of the public and has provided advice and research reports to large and small companies, as well as to UKRI, the UK, and Scottish governments. This often emphasises where digital transformations can deliver positive social, economic, and industrial impacts.

Dr. Cohenca completed the endodontic program at the Hebrew University in Jerusalem cum laude and received the Best Graduate Student Award. He then served 11 years on faculty at the school while maintaining a private practice limited to endodontics. In 2005, Dr. Cohenca joined the University of Washington where he completed his US endodontic certificate in 2008 and served as Tenured Professor of Endodontics and Pediatric Dentistry from 2005-2014, and Director of Endodontics and the Dental Traumatology Unit at Seattle Children’s Hospital from 2014 to 2024. Currently he maintains a private practice limited to Endodontics in Kirkland, WA. He is a Diplomate of the Israel Board of Endodontics and the American Board of Endodontics. Dr. Cohenca is a Fellow and served as President of the International Association of Dental Traumatology. He has published more than 90 peer-reviewed articles, 10 chapters and a book entitle “Disinfection of Root Canal Systems: The Treatment of Apical Periodontitis”. Dr. Cohenca provided more than 350 lectures around the world and am well known as one of the experts in dental traumatology, Endo-Pedo related topics, vital pulp therapy, CBCT and root canal disinfection.

Dr. Yuhong Lin is a second year Endodontics resident at Texas A&M University College of Dentistry. She received her dental degree from UTHealth Houston School Dentistry. 

Vivek Thumbigere Math, BDS, PhD, is a board-certified periodontist and Assistant Professor in the Division of Periodontics at the University of Maryland School of Dentistry. He is nationally an internationally recognized for his leadership in periodontology, combining excellence in clinical care, education, and translational research to improve oral and systemic health outcomes. Dr. Math earned his Bachelor of Dental Surgery (BDS) in India, followed by a PhD and residency training in Periodontology at the University of Minnesota. He subsequently completed a prestigious postdoctoral fellowship at the National Institutes of Health (NIH) under the mentorship of Dr. Martha Somerman (former director of NIDCR). At the University of Maryland, Dr. Math provides advanced periodontal and implant care with a strong emphasis on evidence-based, patient-centered treatment. As a passionate educator, Dr. Math mentors dental students and periodontology residents while actively contributing to curriculum development and innovation. His research focuses on periodontal disease pathogenesis, osteoimmunology, and the intersection between oral and systemic diseases. His research program has been continuously supported by competitive NIH funding. He has authored over 40 peer-reviewed publications in leading scientific journals and is a frequently invited speaker at national and international conferences. Dr. Math serves on multiple NIH study sections and editorial boards, and is currently Associate Editor of Frontiers in Dental Medicine.  

Dr. Anil Kishen is the Dean, Zwingenberger Decanal Chair, and Professor ofEndodontics at the Faculty of Dentistry, University of Toronto. He also holds aTier 1 Canada Research Chair in Oral Health Nanomedicine.

Dr. Kishen has received numerous honors, including the 2020Louis I. Grossman Award from the American Association of Endodontists, the 2023National Dental Research Award (CADR/ACFD), the W. W. Wood Award for excellencein dental education, and the Enterprise Challenge Innovator Award in Singapore.

He has published over 300 journal articles, 24 bookchapters, and three books, and holds 12 patents. He has delivered more than 200invited lectures globally and serves as Associate Editor for several leadingjournals, including the Journal of Endodontics.

His research, funded by federal and foundation grants,focuses on wound healing, nanoparticle-guided tissue engineering, andmicrobe–host cell interactions.

Dr. Jianing (Jenny) He received her dental degree from West China University of Medical Sciences in 1996, and a certificate in Endodontics and a PhD in Oral Biology from the University of Connecticut Health Center in 2003. 

Dr. He has been actively involved in endodontic education, research, and clinical practice. She is a Diplomate of the American Board of Endodontics, and a fellow of American College of Dentists. She has published over 50 manuscripts in peer-reviewed journals and co-authored chapters in 4 textbooks including Pathways of the Pulp. Dr. He served on the Regenerative Endodontics committee, Research and Scientific Affairs committee for the AAE, and she is currently an Associate Editor of the Journal of Endodontics. 

Dr. He is an Adjunct Professor at Texas A&M University College of Dentistry, and maintains a full-time private practice limited to Endodontics in McKinney and Flower Mound, Texas.

Dr. Lagreca is a Board-Certified Prosthodontist and fellow of the American Board of Prosthodontics. She received her first dental degree (DDS) from the Universidad Central de Venezuela in Caracas. She then received her certificate in Prosthodontics, Implant Fellowship training and and currently Doctor of Dental Medicine (DMD) degrees from Tufts University School of Dental Medicine (TUSDM). Dr. Lagreca teaches in classroom, clinical and preclinical prosthodontics to pre and postdoctoral residents and supports the Office of Academic Affairs in faculty development, training, and calibration. Dr. Lagreca is the President of the American College of Prosthodontics Massachusetts section, where she leads the prosthodontics community in the state, organizes continuing education programs and collaborates with dental professionals and educators from Harvard, Tufts and Boston University. Dr. Lagreca’s achievements have been recognized by the Incisal Edge Magazine 40-under-40 2021 Award and The American Dental Association.