Key Opinion Leaders

Dr. David Clark

Dr. David Clark founded the Academy of Microscope Enhanced Dentistry, an international association formed to advance the science and practice of microendodontics, microperiodontics, microprosthodontics and microdentistry. He is a course director at the Newport Coast Oral Facial Institute in Newport Beach, California. He is co-director of Precision Aesthetics Northwest in Tacoma, Washington, and an associate member of the American Association of Endodontists. He lectures and gives hands-on seminars internationally on a variety of topics related to microscope-enhanced dentistry. He has developed numerous innovations in the fields of micro dental instrumentation, imaging and dental operatory design. Dr. Clark has authored several landmark articles about microscope dentistry including Aesthetic Dentistry and Sealants. Dr. Clark is proud to join with CRA (Clinical Research Associates) in The "Update Series" lectures and also to participate in the important research at their world class facility in Provo, Utah. Dr. Clark is the editor in chief for the 2005 launch of The Journal of Microscope Dentistry. Dr. Clark is a 1986 graduate of the University of Washington School of Dentistry. He maintains a microscope-centered restorative practice in Tacoma, Washington USA. He can be reached at

Dr. John Comisi

Dr. Comisi has been in private practice in Ithaca, NY since 1983. He is a graduate of Northwestern University Dental School and received his Bachelor of Science in Biology at Fordham University. He has lectured nationally and internationally and has contributed to the dental literature in such journals as General Dentistry, Compendium of Continuing Dental Education, Dental Product Shopper, Dental Products Report, Oral Health Journal and Inside Dentistry. Dr. Comisi is a member of the American Dental Association and its tripartite organizations: The Academy of General Dentistry, the American Equilibration Society, the International and American Association of Dental Research, a Research Associate at New York University Dental School and a member of the PEARL Network, a practice based research network and is involved with several of its studies. He sits on the Boards of several organizations including the Academy of General Dentistry, the Sixth District Dental Society, the New York State Academy of General Dentistry and is a member of the Catapult Your Practice Editorial Board. He is an Editorial Board Member for Dental Product Shopper Magazine. Dr. Comisi is a Master of the Academy of General Dentistry and holds Fellowships in the Academy of Dentistry International, the American College of Dentistry, the Pierre Fauchard Academy and the International College of Dentistry. Technology and new innovations in comprehensive dental care are of keen interest to Dr. Comisi. His investigations into the practical applications of these products and services helps his dental audience get a better perspective on what works and what needs further improvement in the field of dentistry.

Dr. Marvin Fier

Dr. Fier is a full time practicing clinician. He received his DDS degree from NYU in 1971 and served as a dental officer in the US Navy. He is a highly respected lecturer in the US and internationally on aesthetic and restorative dentistry. He is the executive vice-president of the American Society for Dental Aesthetics, a Fellow of the American Society for Dental Aesthetics and a Diplomate of the American Board of Aesthetic Dentistry. He has also been honored with Fellowships in the International Academy for Dental-Facial Esthetics, the Academy of Dentistry International, the American College of Dentists and the International College of Dentists. He served as a consultant to the American Dental Association on patient education materials, appeared on the cable TVs series FEELING GOOD and helps manufacturers develop new products for dentistry. He is an adjunct professor-guest lecturer at the dental schools of the University of Minnesota, Loma Linda University, New York University, UCLA, University of Medicine & Dentistry of New Jersey and prestigious universities and congresses throughout the world. For the past twelve years, he has been listed in DENTISTRY TODAY’S list of the best lecturers, “Leaders in Continuing Education.”

Dr. George Freedman

Dr. George Freedman is a founder and past president of the American Academy of Cosmetic Dentistry and a founder of the Canadian Academy for Esthetic Dentistry. His most recent textbook, “Contemporary Esthetic Dentistry” is published by Elsevier and he is Visiting Professor, Universita di Flirenze, Florence Italy.
He is a past director of CE programs in Esthetic Dentistry at the Universities of California at San Francisco, Florida, UMKC, Minnesota, Baylor College and Case Western Reserve, Tufts, Eastman Dental Center (Rochester and London, Catholic University in Seoul South Korea and was the founding Associate Director of the Esthetic Dentistry Education Center at the State University of New York at Buffalo.
Dr. Freedman is the author or co-author of 12 textbooks, more than 700 dental articles and numerous webinars, CDs, videos and audios and is a Team Member of REALITY. He has been listed as one of the leaders in Continuing Education by Dentistry Today every year since 1997. Dr Freedman is the Materials Editor for Dentistry Today, Editor in Chief for Dental Tribune and is on the Editorial Board of Oral Health and Dental Asia.
A Diplomate of the American Board of Aesthetic Dentistry, he lectures internationally on dental esthetics, adhesion, desensitization, composites, impression materials and porcelain veneers and has been a featured/keynote speaker at many major national and international dental conferences. Dr. Freedman maintains a private practice limited to Esthetic Dentistry in Toronto, Canada.

For more information please contact:
Jennifer Murphy
Phone: 905-513-9191
Fax: 905-513-6560

Dr. Howard Glazer

Dr. Glazer is a Fellow and Past President of the Academy of General Dentistry and former Assistant Clinical Professor in Dentistry at the Albert Einstein College of Medicine (Bronx, NY). He has been a visiting clinician at several universities around the country including: SUNY ‑ Buffalo, Univ. of Minnesota, Univ. of California ‑ San Francisco, Univ. of Texas ‑ Houston, Univ. of Florida ‑ Gainesville and the Univ. of Missouri ‑ Kansas City. Additionally, he is a Fellow of the American College of Dentists, International College of Dentists, American Society for Dental Aesthetics, the American Academy of Forensic Sciences and a Diplomate of the American Board of Aesthetic Dentistry. Dr. Glazer is an Attending Dentist at the Englewood Hospital (Englewood, NJ). Additionally, Dr. Glazer is the Deputy Chief Forensic Dental Consultant to the Office of Chief Medical Examiner, City of New York.
For the past several years, Dr. Glazer has been named as one of the “Leading Clinicians in Continuing Education” by Dentistry Today and most recently was named as one of the Top Dentists in New Jersey by New Jersey Monthly magazine. He lectures throughout the United States, Latin America, South America, Canada, Europe, Israel, Scandinavia, India, Korea, Japan, Indonesia, Malaysia and China on the subjects of cosmetic dentistry, forensic dentistry and patient management. Dr. Glazer is a frequent author of dental articles and has been published throughout the world. Currently he publishes a monthly column in AGD IMPACT entitled, “What’s Hot and What’s Getting Hotter!” He maintains a general practice in Fort Lee, NJ.

Dr. Fay Goldstep

Dr. Fay Goldstep has been an ADA Seminar Series Speaker and has lectured at the ADA, Yankee, AACD, AGD and the Big Apple dental conferences. She has lectured nationally and internationally on Healing Dentistry, Innovations in Hygiene, Dentist Health Issues and Office Design. Dr. Goldstep has served on the teaching faculties of the post-graduate Programs in Esthetic Dentistry at SUNY Buffalo, Universities of Florida (Gainesville), Minnesota (Minneapolis) and UMKC (Kansas City). Dr. Goldstep sits on the Editorial Board of Oral Health Magazine (Healing/Preventive Dentistry) and Dental Tribune US Edition. She is a Fellow of the American College of Dentists, International Academy of Dental-Facial Esthetics and the Academy of Dentistry International. Dr. Goldstep has been a contributing author to 3 textbooks and has published more than 20 articles. She has been listed as one of the leaders in Continuing Education by Dentistry Today since 2002. Dr. Goldstep is a consultant to a number of dental companies and maintains a private practice in Toronto, Canada.

For more information please contact:
Phone: 905-513-9191
Fax: 905-513-6560

Dr. Gary Henkel

Gary Henkel, DDS, operates the Pine Run Dental and Implant Center in suburban Philadelphia, Pennsylvania. The practice emphasizes dental implant and full mouth rehabilitation, microscope enhanced dentistry and is equipped with cone beam tomography and digital radiography. Dr. Henkel lectures and consults nationally and internationally on dental implants, 3D imaging, endodontics and bone and extraction socket preservation. He is a master in the Academy of General Dentistry and has taught at University of Pennsylvania and Thomas Jefferson University Hospital. He consults for Vista Dental Corp. on endodontic products, Cadent Corp. on the Itero digital impression system and teaches and consults with Osstem Corp., new to the US in the dental implant field. Dr. Henkel is also involved with cone beam beta testing for Imaging Sciences Corporation and Gendex and lectures for them nationally. He has been asked to lecture for the Perio Institute and Alvelogro on bone preservation.

Dr. Eric Herbranson

Dr. Herbranson graduated with a BS in Physics in 1964, a DDS degree from Loma Linda University in 1970 and a MS in Endodontics from Loma Linda University in 1973. He has practiced endodontics in the East Bay since that time. He has been involved politically in the dental community by serving on most of the Alameda County Dental Society board positions, including President. His last service was as Trustee to the California Dental Association. He was inducted as a Fellow of the International College of Dentists in 2003.
He has been actively involved in education for years having given many lectures locally and nationally on endodontics as well as presentation skills and microscope photography. He is on the faculty of the University of the Pacific School of Dentistry and lectures at Loma Linda University School of Dentistry. He is an Opinion Leader for a major endodontic supply company and helped develop their corporate education protocols.
His life long interest in photography has resulted in the creation of a small company that builds camera mounts for surgical operating microscopes. Global Surgical Corp. is currently marketing these under the name Xmount. Dr. Herbranson is a nationally recognized expert in this field. The project can be seen at His non-dental photographs have been published in a number of national magazines.
Another of his current interests is the creation of a computerized atlas of the anatomy of human teeth. This atlas uses the considerable power of current computers to generate three-dimensional models that can be viewed interactively and in full stereo. It has been recognized as a significant tool in learning the complex microanatomy of teeth and is being adapted by many of the dental schools in the United States. This work is done at Stanford University and is supported by grants from the National Institutes of Health. It can be reviewed at In his spare time Dr. Herbranson likes to fly-fish.

Dr. Jeffrey Hoos

Dr. Jeffrey Hoos established his practice in 1978 after graduation from Tufts School of Dental Medicine. It is now a group practice with twenty five dedicated staff members striving to provide the highest level of dentistry for the community. Dr Hoos has invented dental restorative methods that are used by dentists around the world to make patient care easier and better. Lecturing and consulting to dental companies has kept Dr Hoos on the "cutting edge" of dentistry and his allowed him to provide the highest quality care for the patients.

Cosmetic, Restorative, Implant and Preventive Dentistry is available at Dr Hoos' practice:
Brush & Floss Dental Center, Stratford, Connecticut 203-378-9500.

Dr. Gary Johnson

Dr. Gary Johnson is proud to be a career long member of the American Dental Association, Academy of General Dentistry and several other dental organizations. He attributes his professional accomplishments to the mentorship, direction, inspiration, continuing education and help received from his colleagues for 26 years.
Dr. Johnson proudly served at the White House Conference on Aging as a direct White House appointee to determine national oral health care policy. Dr. Johnson joined the University of Illinois at the Chicago Medical Center College of Medicine as an Assistant Clinical Professor to help educate future health care professionals and undertake dental research. Dr. Johnson has been an international lecturer for over 20 years. He currently is a researcher and Visiting Professor at the Independent University of the State of México (Universidad Autónoma del Estado de México Facultad de Odontología, Toluca Mexico) and other universities.
He is a chemist and Webmaster as well as a clinical dentist. This is necessary to integrate a wide spectrum of work for the benefit of the profession and public. Dr. Johnson has created numerous Internet Web Sites to publish educational materials, evaluations and research.He has served as a consultant to dental universities, dental manufacturers, national dental societies, international dental organizations and government leadership from the White House, US Congress to State and local leadership as well as the US Commonwealth of the Marianna Islands. He has also worked with dental leadership, manufacturers and researchers domestically and abroad. He has published dental articles. Dr. Johnson has met with national leaders such as President Clinton, President Chirac and President Fidel Castro concerning oral health care policies.

Dr. John Khademi

John obtained his DDS from the University of California, San Francisco in 1990 and taught operative dentistry at the Baylor College of Dentistry. He completed his endodontic training at the University of Iowa, and finished a masters thesis on Digital Imaging. His primary research interests are in the applications of computers in clinical dentistry, with emphasis on digital radiology and digital imaging. He has worked with the ADA and AAE in standards development efforts for computers in dentistry that will usher in this new era of clinical computer use. Broader interests include lasers, new instrumentation techniques and new obturation techniques – new technology. John is a regular speaker at the ADA and AAE, has authored several articles and book sections, a chapter on endodontic access as well as given dozens of half and all day CE courses on computers and endodontics. Dr. Khademi is one of the founding members of the Academy of Microscope Enhanced Dentistry.
John can be reached at

Dr. Louis Malcmacher

Dr. Louis Malcmacher maintains a general and esthetic private dental practice in Cleveland, Ohio. He is an internationally renowned lecturer and author, known for his wide-ranging comprehensive and entertaining style. Dr. Malcmacher is a frequent contributor to dental literature, having published numerous articles about adhesive resin dentistry, crown and bridge procedures, Botox and dermal fillers in dentistry, total facial esthetics, practice management, periodontics, esthetic dentistry and halitosis therapy. He has lectured at many major dental conferences as well as dental societies throughout the US, Canada, Europe and the Middle East. Dr. Malcmacher is an Evaluator Emeritus for Clinicians Report, a visiting lecturer at several Universities, a spokesperson for the Academy of General Dentistry, a monthly columnist and contributing editor for Dental Economics, a contributing editor for Dentistry Today and Dental Tribune, a monthly columnist for The Dentist's Network Newsletter and has been named one of the Leaders in Continuing Education by Dentistry Today for ten years in a row. Dr. Malcmacher publishes The Common Sense Dentistry Newsletter which is received by over ten thousand dental professionals each month. Dr. Malcmacher is the President of the American Academy of Facial Esthetics.
Dr. Malcmacher has also been extensively featured in the general media. His interviews have been seen on CNN, Fox, ABC, CBS, NBC and the popular show 20/20. He has also been interviewed by much of the print media, including The Wall Street Journal, The New York Times, USA Today, The Washington Post, Cleveland’s The Plain Dealer and the Detroit Free Press. Several popular magazines have featured Dr. Malcmacher, including Jane, Marie Claire, Shape, GQ, Edge, Newsweek, Time, Prevention, Reader’s Digest and Men’s Health. Dr. Malcmacher was also a featured smile makeover dentist on The Tony Danza Show.
Dr. Malcmacher has been coaching and educating dentists for thirty years on best practices, integrating new services into the dental office and improving clinical efficiency and practice management skills. He also works closely with dental manufacturers as a consultant and clinical researcher in developing new products and techniques. For three decades, Dr. Malcmacher has inspired his audiences to truly enjoy dentistry by providing the knowledge necessary for excellent clinical and practice management. His group dental practice has maintained a 45% overhead since 1988.

Dr. Sandesh Mayekar

Dr. Mayekar received his Masters in Dental Surgery from University of Bombay in Bombay, India in 1980. He introduced esthetic dentistry in India and lectures extensively nationally and internationally. Dr. Mayekar is the Director of the Indian Institute of Continuing Education & Research and the Founder President of the Indian Academy of Aesthetic and Cosmetic Dentistry. He is a past president of the Asian Academy of Aesthetic Dentistry and has authored several articles on esthetic dentistry. Dr Mayekar is the founder of ENCODE, which holds postgraduate courses in esthetic dentistry in collaboration with SUNY at Buffalo, School of Dentistry and in General Dentistry with Tufts University in Boston. He is also a visiting faculty at Padmashree Dr. D Y Patil Dental College and Hospital Navi Mumbai. In addition, Dr. Mayekar is Adjunct Professor at the New Jersey College of Medicine and Dentistry in the Department of Restorative Dentistry and is Consultant/Advisor to the Armed Forces Medical Services of India. He maintains a private practice in Mumbai, India.

Dr. Fred Margolis

Dr. Fred Margolis received his B.S. and D.D.S. from The Ohio State University and his certificate in pediatric dentistry from the University of Illinois College of Dentistry. Dr. Margolis is a Clinical Instructor at Loyola University’s Oral Health Center and an Adjunct Clinical Assistant Professor at the University of Illinois College of Dentistry. He is a fellow of the Pierre Fauchard Academy, International College of Dentists, American College of Dentists, Academy of Dentistry International and the Odontographic Society. He is the immediate past-International Editor of the Alpha Omega Dental Fraternity. He has received a Mastership in laser dentistry from both the World Clinical Laser Institute and the Academy of Laser Dentistry.
Dr. Margolis is director of the Institute for Advanced Dental Education and has lectured both nationally and internationally. He has been a consultant to the ADA’s Council on Dental Practice and an ADA Seminar Series Lecturer. He is very proud of the “Distinguished Member of 2005” awarded by the Illinois State Dental Society and the “Humanitarian Award” from the AGD in 2011. In 2011, Alpha Omega International Dental Fraternity presented him with the Meritorious Service Award. He was recently selected by Dentistry Today Journal as a "top clinician in continuing education for 2012." He has had many articles published in both lay and professional journals.
Fred is the author of Beautiful Smiles for Special People, a course manual for working with disabled patients. He is co-author of Pediatric Laser Dentistry, which is published by Quintessence. Dr. Margolis is in full-time private practice of pediatric dentistry in Buffalo Grove, Illinois.

Dr. Marga Ree

Dr. Marga Ree obtained her degree in dentistry from the University of Amsterdam in 1979. For the next five years she was a part-time staff member of the department of Cariology Endodontology Pedodontology, as well as being a clinical instructor in the central dental clinic of the University of Amsterdam. In 1998 she entered a postgraduate programme in endodontics, which she completed in 2001 with a Master of Science degree. Since that time she has lectured widely and taught hands-on courses throughout the Netherlands and abroad. She is the primary author of several articles published in national and international journals and has contributed to several books on endodontics and restorative dentistry. Since 1980 she has had a private practice in Purmerend, which for the past thirteen years has been dedicated to endodontics.

Dr. Davis Riesberg

Dr. David Reisberg received his dental degree from Case Western Reserve University in 1977. He received a specialty certificate in Prosthodontics from Tufts University in Boston and one in Maxillofacial Prosthetics from The University of Chicago. He has been Director of the Maxillofacial Prosthetics Clinic at The University of Illinois Medical Center in Chicago since 1981. In 1998, he was named Medical Director of The Craniofacial Center there. Dr Reisberg directs a team of medical and dental specialists and allied health professionals in the care of children and adults with congenital or acquired craniofacial conditions. He has served on the Board of Directors of the American Academy of Maxillofacial Prosthetics and is the current president of both the International Society for Maxillofacial Rehabilitation and Ameriface, a national organization that supports people with facial differences. Dr. Reisberg is certified by the American Board of Prosthodontics. He has lectured nationally and internationally on the application of osseointegrated implants for craniofacial rehabilitation.

Dr. Andrew Shannon

Dr. Andrew Shannon received his D.D.S. from Dalhousie University School of Dentistry in Halifax, Nova Scotia. He is an accredited member of the American Academy of Cosmetic Dentistry (AACD) and founder of the Western Canadian Chapter of the AACD. He has been selected to sit on editorial boards of a number of peer reviewed dental journals. Articles by Dr. Shannon have appeared in many peer reviewed Journals including: CDA Journal, Current Opinion in Cosmetic Dentistry, Dentistry Today, Journal of Dental Technology and Clinical Contour, Contemporary Esthetics and Restorative Practice, 360O, Practical Periodontics & Aesthetic Dentistry, Products Report and J Cosmetic Dentistry. Dr. Shannon currently lectures throughout North America, Asia and Australia on Mastering Esthetic Restorative Dentistry, provides an in-office Over-The-Shoulder Program and runs a customized workshop in mastering clinical skills entitled Techniques to Ensure Restorative Excellence. Dr. Shannon maintains a full-time private practice in Vancouver, British Columbia, Canada with a primary focus on comprehensive aesthetic restorative dentistry.

Dr. Howard E. Strassler

Howard E. Strassler, DMD, FADM, FAGD, Professor, Division of Operative Dentistry, Department of Endodontics, Prosthodontics and Operative Dentistry, University of Maryland School of Dentistry Baltimore, Maryland. Dr. Strassler is on numerous editorial boards, advisory boards and has authored over 500 articles in journals and dental magazines on the topics of clinical selection and uses of dental materials, esthetic bonding, tooth whitening, fiber reinforcing materials for composites and innovative technologies used in restorative dentistry. Dr. Strassler has also presented over 500 programs throughout the United States, Mexico, Japan and Europe including all the major dental meetings. Dr. Strassler has been a consultant to over 15 dental manufacturers. Dr. Strassler has been recognized for the past 12 years as a Leader in Continuing Dental Education by Dentistry Today. Dr. Strassler is involved in research with restorative materials.