Redefining how Dentists Approach Dentistry

The Spear Faculty: Outstanding clinicians, trusted colleagues and exceptional educators representing the most respected minds in dentistry today.


Resident Faculty

The Spear Faculty has influenced practitioners throughout the world, enabling them to provide better patient care and enjoy greater success in their practices.

Focused on patient-centric dental healthcare, advanced clinical techniques and enhanced business acumen, each Spear Education instructor provides a unique perspective to dental treatment plans, diagnosis and lab work.


Frank Spear

Frank Spear

Dr. Spear is one of the most influential speakers and educators in restorative and esthetic dentistry. Founder and Director of Spear Education, his lectures, seminars and workshops have transformed how dentists approach dentistry today.

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Robert Winter

Robert Winter

As one of the world's most recognized prosthodontists and ceramists, Dr. Winter teaches dentists in Spear Workshops to understand the interdependence between laboratory procedures, treatment planning, restorative techniques, materials and laboratory procedures. He also produces Spear Study Club modules, creates clinical content for the Spear learning ecosystem, and has taught more than 900 didactic, clinical and technical courses in more than 40 countries.

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Gary DeWood

Gary DeWood

Dr. DeWood is Executive Vice President of Spear Education. As one of the founding members of Spear, he directed Curriculum and Clinical Education for nearly a decade prior to joining in the launch of Spear Practice Solutions. Today, he splits time between teaching and consulting and serves as an instructor in multiple Spear Workshops, including "Facially Generated Treatment Planning."

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Greggory Kinzer

Greggory Kinzer

Dr. Kinzer is a member of the Spear resident faculty, committed to advancing the art and science of restorative dentistry,

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Imtiaz Manji

Imtiaz Manji

Mr. Manji is the co-founder and chairman of Spear, providing the strategic vision and corporate leadership behind the industry's premier destination education center and digital learning platform, which he uses — along with his numerous speaking engagements, published articles and popular blog — to reach thousands of dentists every year.

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Martin Mendelson

Martin Mendelson

Dr. Mendelson is Spear’s Executive Vice President of Client Success. He is responsible for coaching Spear Masters Program members and study club leaders, directing Spear Faculty Club and hosting Spear Summit. As a Certified Professional Coach, he is passionate about personal development. He has contributed to leading industry publications and lectured extensively on color science, dentist/technician communications and the behavioral sciences.

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Steve Ratcliff

Steve Ratcliff

Dr. Ratcliff is Spear's Executive Vice President of Business Development, a role in which he helps specialists and their restorative colleagues embrace the gifts and challenges of interdisciplinary care. His primary responsibilities are working with business partners to widen the reach of the Spear learning community and creating content for study club modules and Spear Online.

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Ricardo Mitrani

Ricardo Mitrani

Dr. Mitrani has authored many scientific articles and chapters in textbooks on implant prosthodontics and esthetic dentistry. He has given more than 500 lectures in 30 countries, maintains a private practice in Mexico City limited to prosthodontics and implants, serves as an instructor in Spear Seminars, frequently contributes to Spear Digest, and develops numerous lessons for Spear Online.

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Doug Benting

Doug Benting

Dr. Benting has developed content for Spear Digest and for several Spear Study Club modules. He is a past-president of the Arizona section of the American College of Prosthodontists and currently serves on the ACP Board of Directors.

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Darin Dichter

Darin Dichter

Dr. Dichter brings nearly 20 years of clinical, research and teaching experience, both as a general dentist and as a prosthodontist, to his position with Spear.

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Michael Gunson

Michael Gunson

Dr. Gunson graduated from UCLA Dental School and continued on to receive his medical degree and specialty certificate in oral and maxillofacial surgery from UCLA. His private practice in Santa Barbara, California, is limited to facial reconstructive surgery, surgical correction of sleep apnea and research.

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Cheryl DeWood

Cheryl DeWood

Dr. DeWood is a member of the Spear resident faculty with more than 35 years of dental wisdom. She brings a unique perspective to Spear through her experience as both a general dentist and practicing orthodontist.

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Jeffrey Bonk

Jeffrey Bonk

Dr. Bonk is a member of the Spear resident faculty. He has more than three decades of dental experience and is devoted to sharing his knowledge and skills of advanced restorative dentistry.

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Jeff Rouse

Jeff Rouse

Dr. Rouse is recognized as a pioneer in the field of airway prosthodontics — the impact that a compromised airway has on the stomatognathic system. Along with fellow Spear Resident Faculty member Dr. Greggory Kinzer, he developed the "Seattle Protocol" to recognize, control and direct resolution of airway distress in a restorative dental practice.

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Jim McKee

Jim McKee

Dr. McKee is a member of the Spear Resident Faculty. He has maintained a private practice since 1984 in Downers Grove, Illinois where he treats a wide variety of cases with a focus on predictable restorative dentistry.

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Renee Marks

Renee Marks

As a practice management consultant, periodontal clinical educator and university faculty member, Ms. Marks has developed curriculum, authored journal articles and conducted seminars at dental schools, dental hygiene programs, major dental meetings, study clubs and faculty in-service programs. As a clinician, her experience is with both general and periodontal practices.

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Mitch Ellingson

Mitch Ellingson

As Vice President of Practice Growth for Practice Solutions, Dr. Ellingson helps dentists and their teams create productive and fulfilling work environments.

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Amy Morgan

Amy Morgan

Ms. Morgan joined Spear in 2018 as Vice President of Consulting Strategy. For more than 25 years as a consultant and trainer, and as former CEO of Pride Institute — a nationally acclaimed, practice management consulting company — she and her teams have revitalized thousands of dental practices using management systems proven to help dentists become more secure, efficient and profitable.

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Rebecca Bockow

Rebecca Bockow

A board-certified orthodontist and periodontist, Dr. Bockow has published articles on interdisciplinary dental treatment in various dental journals. She has lectured nationally on corticotomy-facilitated orthodontic therapy and interdisciplinary treatment planning. Her practice in the Seattle area focuses on orthodontics and periodontics.

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Visiting Faculty

Spear Education Visiting Faculty are doctors who volunteer extensive time and energy to the pursuit of excellence through continuing education.

They attend multiple Spear Education courses as participants, and commit significant time and resources to facilitate the learning of others through service as mentors and leaders in our courses. In addition, they share their journeys and experiences by completing and submitting a complete case report each year, adding to the educational resources available to each of us through Spear Education.

We value and appreciate their knowledge, their skills, their time, and their passion for continued learning.


Eric Adler
Dan Armstrong
Andrew Arnouk
Seth Atkins
Arezoo Bahar
Rodney Baier
Rex Baumgartner
Glenn Beck
Doug Benting
Tyler Bergien
James Blackmore
Kirk Bond
Jeffrey Bonk
Eric Buck
Bridget Burris
Brent Bush
Wynn Caffall
Patrick Calalang
Paul Cannariato
Jack Carson
John Carson
Gerard Charanduk
Susan Christensen
Andrew Cohen
Bill Crafton
Bill Crinzi
Daniel Custis
Todd Davis
Claudia Denes
Brian Dennis
Jerrold Diamond
Joe DiFranco Jr.
Judemar Dimapilis
Frank DiMauro
Pete Domagala
Jay Dorgan
Mike Doty
Mike Drone
Ross Enfinger
Ty Etheridge
Mike Fair
Maura Fichter
David M. Fong
Tom Fraser
Marc Gainor
Bob Gallegos
Richard George
Karen Gordon
Alex Greenwald
Paul Guidi
Greg Gullikson
Brett Helton
Ryan Henrichsen
Everett Heringer
Kevin Huff
Keisuke Iida
Mary Isaacs
Tim Jacobson
Ed Jang
Mark Jensen
Mike Johnson
Bob Kaplan
Jason Kasarsky
Jody Kear
Jill Kinzer
Craig Kohler
Steve Kunihiro
Jeremy Lansford
Janette Larsen
Barbro Lauri-Beckett
Courtney Lavigne
Nicole Leiker
Kendall Liday
Jeff Lineberry
Cliff Litvak
Jack Luker
Darvie Lum
Costin Marinescu
Bob Marolt
Mac McDonald
Eric McRory
Zachary Mellion
Jim Merriman
Dale Miller
Glenn Miller
Jeff Miller
Doug Milner
Rob Minch
Arnie Mirza
Allyson Monferdini
Orlando Morantes
Michael Moskowitz
Jonathan Nash
Tere Nelson
Beth O'Connor
Matt O'Shea
Uchenna Okoye
Lou Olberding
James Otten
Lee Payne
Rob Pearce
Kate Pettyjohn
Douglas Phillips
Greg Phillips
Kevin Potts
Larry Puccini
Faisal Quereshy
Mark Raisch
Wayne Riggert
Jack Ringer
Tom Roberts
Josh Rogoff
Edward Roman
Craig Rothenberg
Nancy Rotroff
Steven Rzepecki
Keerti Sahasrabudhe
Mary Anne Salcetti
Doug Sandquist
Larry Saylor II
Bob Schoenenberger
Parisa Sepehri
Joe Serflek
Bradley Shern
Daryl Shinkewski
Ann Sielicki, DDS
Stan Siu
Jim Slaman
Mark Sowell
Dave St. Ledger
Carl Steinberg
Donna Stenberg
Robert Stender
Muna Strasser
Patrick Sweeney
Sam Sweeny
Richard Talbot
Rick Timm
Shawn Tokunaga
Brian Trachtenberg
Colleen Tracy
Alexander Tsui
Mark Tyma
Michael Velling
Bernie Villadiego
Peter Virga
Keiko Wada
Eric Wang
Sara Wassenaar
Michael Webberson
Dawn Wehking
Chris Wilson
Lynn Yamamoto
Carter Yokoyama
Jon Yoshimura
Kenneth Yost
Melissa Zettler