my cart | check out  

Guest Instructors

Guest Instructors have taught during course(s) at the Kois Center in the past or are scheduled to teach during course(s) at the Kois Center in the future. Please visit the “Adjunct Course Catalog” to view scheduled courses provided by some of these Guest Instructors, or the “Kois Course Catalog” to view a description of Kois Courses which may include these Guest Instructors during specific segments of the course.

Current Instructors

Dr. Christian Coachman

Dr. Christian Coachman graduated in Dental Technology in 1995 and in Dentistry at the University of São Paulo/Brazil in 2001. He is a member of The Brazilian Academy of Esthetic Dentistry and the second Brazilian to become a member of the American Academy of Esthetic Dentistry. Moreover, Dr. Coachman attended the Ceramic Specialization Program at the Ceramoart Training Center, where he also became an instructor. In 2004, Dr. Coachman was invited by Dr. Goldstein, Garber, and Salama, of Team Atlanta, to become Head Ceramist of their laboratory, a position he held for over 4 years.

Dr. Coachman worked with many leading dentists around the world as Dr. Van Dooren (Belgium), Gurel (Turkey), Fradeani (Italy), Bichacho (Israel), Ricci (Italy) and Calamita (Brazil). He currently works at his family Dental Clinic in Sao Paulo-Brazil, together with his father, uncle and brother. Dr. Coachman also works as a consultant for dental offices and companies, developing products and implementing concepts and has lectured and published internationally in the fields of esthetic dentistry, digital dentistry, dental photography, oral rehabilitation, dental ceramics and implants. He is the developer of well-known techniques as the Pink Hybrid Implant Restoration and the Digital Smile Design Concept (DSD).

Dr. John Derango

Dr. John Derango is a 1978 graduate of the University of Illinois Dental School. He is a member of the Chicago and Illinois Valley Dental Societies. He is a member of the Academy of General Dentistry and attained Fellowship Status to the AGD in 1984. Dr. Derango is a founding member of the American Academy of Cosmetic Dentistry. He received his AACD accreditation in 1986 and earned Fellowship Status in 1992. He currently serves as the president of the Chicago Academy of Cosmetic Dentistry.

Dr. Derango is a clinical instructor at the Kois Center in Seattle, Washington under the direction of Dr. John Kois.

Dr. Newton Fahl, Jr.

Dr. Newton Fahl, Jr. received his DDS degree from Londrina State University, Brazil, in 1987. In 1989 he received the Certificate in Operative Dentistry and Master of Science degree from the University of Iowa, USA.

Dr. Newton Fahl, Jr. is a member of the American Academy of Esthetic Dentistry (AAED), and founding member and past-president of the Brazilian Society of Aesthetic Dentistry (BSAD). He is a MCG-Hinman Foundation fellow. Dr. Fahl is the recipient of the American Academy of Esthetic Dentistry (AAED) 2008 President´s Award for Best Teacher and the 2011American Academy of Cosmetic Dentistry (AACD) Excellence in Cosmetic Dentistry Education Award.

Dr. Fahl has published extensively on direct and indirect bonding techniques. He is on editorial board of several peer-reviewed journals. Dr. Fahl lives in Curitiba, Brazil, where he maintains a private practice emphasizing esthetic dentistry. He is director of the Fahl Center in Curitiba, Brazil where he conducts hands-on courses on direct and indirect adhesive restorations

Dr. Jim Howard

Jim Howard received his DDS from the University of Washington in 1976 where he then completed a two year postdoctoral fellowship in the management of orofacial pain and TMJ disorders. During his 30 years of private practice he has treated over 13,000 patients on referral from dentists and physicians. Jim has published in numerous dental and medical journals and has contributed textbook chapters. Dr. Howard is the Director of the Temporomandibular Joint Disorders Clinic in the Department of Dental Medicine at Children’s Regional Medical Center in Seattle and has been involved in the management of thousands of children with idiopathic juvenile arthritis, craniofacial defects, sleep disorders and other special needs. While living in Seattle he was an Associate Professor in the Department of Orthodontics at the University of Washington School of Dentistry. Jim and his family moved to Spokane, Washington in 1996. He has continued part-time as the Chief of the TMJ disorders Clinic at Children’s Medical Center and as a Clinical Affiliate Professor at the University of Washington School of Dentistry.

Dr. Bob Margeas

Dr. Margeas graduated from the University of Iowa College of Dentistry in 1986 and completed his AEGD residency the following year. He is currently an adjunct professor in the department of Operative Dentistry at the University of Iowa. He is Board Certified by the American Board of Operative Dentistry. He is a Fellow of the Academy of General Dentistry and International Team of Oral implantologists (ITI). He has written numerous articles on esthetic and implant dentistry, and lectures and presents hands-on courses nationally and internationally on those subjects. He serves on the Editorial Advisory board of Inside Dentistry, Compendium, and is a contributing editor to Dentistry Today and Oral Health in Canada. Dr. Margeas maintains a full-time private practice focusing on comprehensive restorative and implant dentistry in Des Moines, Iowa.

Dr. Eric Rindler

Dr. Eric Rindler received his D.D.S. from the University of Texas Health Science Center in San Antonio Texas and a Certificate in Periodontics from the University of Missouri — Kansas City School of Dentistry. Dr. Rindler has held the position of Associate Professor at UTSHCSA in General Dentistry. Dr. Rindler currently maintains a full time private practice Limited to Periodontics and Dental Implants. The multi-specialty group in which he practices focuses on interdisciplinary dentistry.

Dr. Rindler has been recognized by the department of Health and Human Services for his efforts on Preventive Dentistry. Dr. Rindler lectures nationally/internationally on several topics in the field of Periodontics. Dr. Rindler is a member of several organizations including the American Academy of Periodontolgy, American Dental Association, and the Southwest Academy of Restorative Dentistry.

Dr. J. William Robbins

J. William Robbins, D.D.S., M.A., maintains a full-time private practice and is Clinical Professor in the Department of General Dentistry at the University of Texas Health Science Center at San Antonio Dental School. He graduated from the University Of Tennessee Dental School in 1973. He completed a rotating internship at the Veterans Administration Hospital in Leavenworth, Kansas and a 2-year General Practice Residency at the V.A Hospital in San Diego, California. He coauthored a textbook, Fundamentals of Operative Dentistry – A Contemporary Approach, which is published by Quintessence, and will soon be published in its 3rd edition.

He has won several awards including the Presidential Teaching Award at the University Of Texas Health Science Center, the 2002 Texas Dentist of the Year Award, and the 2003 Honorary Thaddeus V. Weclew Fellowship Award from the Academy of General Dentistry. He is a diplomat of the Federal Services Board of General Dentistry and the American Board of General Dentistry. He is a member of several organizations including the American College of Dentists, the International College of Dentists, the American Dental Association, the American Academy of Restorative Dentistry, the Southwest Academy of Restorative Dentistry, the Academy of General Dentistry, and the Academy of Operative Dentistry.


Dr. Ward Smalley

Ward M Smalley is a prosthodontist and board certified orthodontist who maintains a private practice limited to orthodontics in Seattle, Washington and teaches part-time at the University of Washington Dental School in the Department of Orthodontics and the Department of Restorative Dentistry. He received his D.D.S. from the University of Washington in 1977. He earned a Certificate in Fixed Prosthodontics and an M.S.D. at the University of Washington in 1984. In 1986 at the University of Washington he received a Certificate in Orthodontics and a second M.S.D. Faculty position is currently Affiliate Professor.


Dr. Walter F. “Jack” Turbyfill

Dr. Turbyfill graduated from the University of Louisville in 1959. He studied with Dr. Earl Pound for many years and this relationship is responsible for his keen interest in prosthodontics. Dr. Turbyfill maintains a private practice in West Columbia, South Carolina. He teaches dentists the principle of complete dentures and partials in demonstration and lecture seminars.

Dr. Turbyfill is a member of numerous dental organizations including the American Academy of Esthetic Dentistry and the American Academy of Restorative Dentistry.

Since 1984, Dr. Turbyfill has been giving seminars and lecturing at dental schools in the United States, Canada, and other international meetings. He has published articles in numerous dental publications.


Dr. Glorianne D. Walker - Lecturer for Auxiliary Courses

Glorianne Walker is a general dentist and a graduate of Southern Illinois University School of Dental Medicine. She completed advanced training in a hospital residency program at the University of Washington and worked with DECOD, Dental Education and Care of the Disabled.

She is a member of various local and national organizations and attends local study club meetings. Dr. Walker has pursued continuing education at the Kois Center, and has developed a practice philosophy of excellence under the teaching of John C. Kois, D.M.D., M.S.D., P.L.L.C. Glorianne maintains a full time practice and is active with Humble Hearts, a Christian non-profit organization that provide dental mission work in Nicaragua.

Uri Yarovesky, CDT

Uri Yarovesky, CDT, a ceramist, owner and President of Opus One Laboratories, Inc. and owner and President of Hilla Technologies in Agoura Hills, California is a graduate of L.A.C.C. in Dental Technology. Uri Yarovesky, was the 2011 recipient of the Inventor of The Year award by the NADL and the 2010 recipient of the Outstanding Contributions to the Art and Science of Cosmetic Dentistry award from the American Academy of Cosmetic Dentistry. Mr. Yarovesky has lectured extensively both in the United States and internationally. He is a current member of the AACD, IADFE, ASDA, NADL, CDLA, and ACE.



Past Instructors

Mr. James Clark

Jim joined Cliff Freehe on the staff of the University of Washington Dental Photography Department in 1972. Since 1980 he has been teaching dental photography to graduate students in all the specialty programs at the UW. Four years ago he started an undergraduate elective in dental imaging. Last year all 3rd year dental students both at the UW and at Oregon Health Sciences University have been required to take the Dental Photography and Imaging course. He has lectured nationally and internationally, and has contributed photography to numerous textbooks, scientific publications and research projects. Over the last five years he has authored two articles on dental photography and four on digital photography for dentistry.

Dr. Paul Homoly

Dr. Paul Homoly is a world-class leader in dental education. As a comprehensive restorative dentist and educator for over twenty years, Paul speaks with the voice of experience.

Paul is president of Homoly Communications Institute. Its focus is to coach high performance dental teams and the full spectrum of dental professionals, and to advance leadership and communication in dentistry worldwide. Paul´s unique processes help dentists master their practices - giving them more freedom in their work and life. Website:

Paul is author of Dentists: An Endangered Species and Isn't It Wonderful When Patients Say “Yes.”

Dr. Greg Lutke

Dr. Gregory M. Lutke DDS graduated from Baylor College of Dentistry in 1985 and maintains a private practice in Plano, Texas specializing in esthetic zone dentistry. As founder and CEO of Dallas Dental Solutions, a digital hands-on facility where Dr. Lutke teaches advanced hands-on courses on digital communication technology as it relates to dentistry. These courses focus on the high end of digital technology which includes “film quality” digital photography, Adobe Photoshop, Microsoft PowerPoint, and digital video, including the new “high definition” DV standard. The resulting skills allow dentists to fully communicate, visually, complex multi-disciplinary cases to patients. The technology skills also empower dentists to practice in a completely digital dental office- free from paper, film, and filing cabinets. This level of digital dentistry is vastly different than earlier systems and is most characterized as both modern and elegant.

Dr. Lutke serves on the AACD’s special committee on Digital Photography for Accreditation, which has recently been full implemented into the accreditation process along with the 35mm film standard. He also was the chartering president of The Texas Academy of Cosmetic Dentistry in 2003.


Dr. Pascal Magne

Dr Pascal Magne is born in La Chaux-de-Fonds (Switzerland) in 1966. He grew up and followed his primary education in Neuchâtel then moved to Geneva where he graduated in dentistry in 1989 and completed a Doctoral Thesis in 1992. He taught and continued his postgraduate education in Prosthodontics and Operative Dentistry at the University of Geneva until 1997. Awarded with major grants by the Swiss Science Foundation, the Swiss Foundation for Medical-Biological Grants, and the International Association for Dental Research, he spent two years as a full-time research scholar in Biomaterials and Biomechanics at the University of Minnesota between 1997 and 1999. Back at the University of Geneva, he received his PhD degree in 2002 and served as Senior Lecturer from 1999 to 2004. Since February 2004, he became Tenured Associate Professor at the University of Southern California (USC, Los Angeles) where he received the Chair of Esthetic Dentistry. He is the author of the textbook Bonded Porcelain Restorations (Quintessence Publishing, 2002), as well as clinical and research articles on esthetics and adhesive dentistry and is frequently invited to lecture on these topics.

Mr. Steve McGowan

Steven McGowan owns a small laboratory in Seattle, Washington. He has over 25 years of experience in all phases of ceramics and crown and bridge. He has lectured and given hands-on courses internationally on the topic of PORCELAIN BONDED RESTORATIONS AND CROWN AND BRIDGE WORK. He is an editorial team member for the Esthetic Dentistry Research group that edits REALITY, and is on the advisory board for the Canadian Journal of Dental Technology as well as Dental Dialogue.

Dr. Keith Phillips

Keith Phillips received his D.M.D. from the University of Pennsylvania School of Dental Medicine and a Certificate in Periodontal Prosthodontics with an M.S.D. from the University of Washington. Dr. Phillips held the position as Assistant Professor of Restorative Dentistry for five years moving on to become Chief of Restorative Dentistry at the University of Pennsylvania Medical Center. Dr. Phillips is currently the Director of Graduate Prosthodontics at the University of Washington, School of Dentistry. His major areas of focus are periodontal prosthodontics and implant assisted oral reconstruction. Keith practices part time in Tacoma, Washington.