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2019 Officers

Click the names of the officers to read their bios below.

Dean N. Ahmad,
Laurence Ambrose,
Vice President
Michael Matsuda,
Immediate Past President
Kian Kar,
Bobbi Birdi,
Gerald Drury,
Journal Editor
Todd Goldman,
Executive Director
Directors Members at Large

Dean N. Ahmad, President

Dean N. Ahmad, DDS
2295 Fieldstone Drive, Ste 120
Lincoln, CA 95648
Phone: (916) 434-5151
Fax: (916) 434-5575

Dr. Dean N. Ahmad was born in Birmingham, England (UK) and was raised in Miami, Florida. He currently maintains a private practice specializing in the treatment of Periodontal Diseases, Periodontal Plastic Surgical Therapies, and Implant Dentistry in Northern California. Dr. Ahmad received both his graduate certificate in Periodontics and his Doctorate in Dental Surgery from the University of Michigan. He is a Board Certified, Diplomate, Periodontist from the American Board of Periodontology. He has also obtained Fellowship from both the International Congress of Oral Implantologists and from the Pierre Fauchard Honorary Academy.

Throughout his training, he has completed internships in Oral and Maxillofacial Surgery from both Northwestern University and the University of Miami. He has also lectured both domestically (CDA Scientific Sessions/SDDS…) and internationally. Dr. Ahmad has participated in multiple research projects and published numerous scientific articles. Dr. Ahmad has also attained Clinical Assistant Professorship in Periodontology and Orofacial Sciences from the University of California, San Francisco.

Dr. Ahmad is the current president of the Western Society of Periodontology. He is also the past-president of Dental APPNA. Dr. Ahmad is considered an “Expert in the Field in Periodontics and Implant Dentistry” for the Dental Board of California. He is an Examiner in Intravenous Conscious Sedation for the Dental Board of California and is also on the Executive Advisory Board for Carrington College, School of Dental Hygiene.

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Laurence Ambrose, Vice President

Laurence S. Ambrose, DDS, MS
VA Medical Center
650 East Indian School Road
Phoenix, AZ 85012
Phone: (602) 222-6424

Laurence S. Ambrose, DDS, MS is a board certified periodontist and has been a full-time staff member at the VA Medical Center in Phoenix, Arizona since 1998. He is also Adjunct Clinical Faculty at the Arizona School of Dentistry and Oral Health. He received his certificate in Periodontics from the VA Medical Center in Milwaukee, Wisconsin and his Master of Science degree through Marquette University. From 1991 to 1995 he was a Commissioned Officer with the United States Public Health Service and practiced general dentistry on numerous Indian Reservations in northern New Mexico. He is a graduate of the University of Illinois at Chicago College of Dentistry and is Past President of the Arizona Society of Periodontists.

Dr. Ambrose received his Master of Science in Oral Biology from Marquette University in 2000 and became a Diplomate of the American Board of Periodontology in 2002.

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Michael Matsuda, Immediate Past President

Michael L. Matsuda, DDS
363 SE 4th Ave.
Hillsboro, OR 97123
Phone: (503) 640-1313
Fax: (503) 640-0126

Michael L. Matsuda, DDS, attended the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco where he was awarded the Western Society of Periodontology graduation award for excellence in periodontics. He returned to his hometown of Portland to pursue advanced training in Periodontology and Dental Implants. Dr. Michael completed a three-year residency at Oregon Health and Science University School of Dentistry, earning a Certificate of Advanced Education in Periodontics and Implantology, and has joined his father in private practice.After completion of his residency program, Dr. Michael obtained his board certification as a Diplomate of the American Board of Periodontology, a distinction awarded to very few periodontists practicing in the U.S. In his second year of private practice, Dr. Michael was selected by his peers as a “Top Dentist” in the field of periodontics for Portland Monthly Magazine.

Michael has intimate knowledge and extensive skill in oral implantology and implant related surgeries including advanced hard and soft tissue augmentation procedures such as sinus augmentation and bone regeneration. Periodontal plastic surgery procedures such as esthetic soft tissue grafting and esthetic crown lengthening also figured heavily in his training, as did regenerative periodontal therapies. His residency incorporated advanced sedation training for intravenous sedation of surgical patients.

In addition to teaching, patient care and research in the Department of Periodontology, Michael gained invaluable training in the treatment of medically compromised patients through hospital residency rotations at the Portland Veterans Affairs Medical Center at OHSU. He has been privileged to attend several limited attendance advanced surgical courses beyond school and shown great enthusiasm for staying on the cutting edge of evidence-based practice, incorporating the latest technological advances into patient treatment options.

Dr. Michael has served as an officer of several professional organizations including: Vice President of the Oregon Society of Periodontists, Treasurer and Executive Board Committee member for the Western Society of Periodontology, and a Delegate of the Washington County Dental Society. Dr. Michael is also involved in numerous professional organizations including: the Academy of Osseointegration, the American Academy of Periodontology, Western Society of Periodontology, Oregon Society of Periodontists, the International Team for Implantology, the American Dental Association, Oregon Dental Association, Washington County Dental Society, and the American Dental Education Association.

Dr. Michael believes that learning is a life-long process and hence has continued to further his education through numerous CE courses in addition to presenting educational programs to professional colleagues. He lectures to numerous dental hygiene schools and professional organizations, and serves as an Affiliate Assistant Professor for the OHSU Department of Periodontology. He also is the director of a Spears Study Club and the Oregon Chapter of the Western Society of Periodontology Dental Hygiene Study Club.

Prior to his professional dental education Dr. Michael obtained a Bachelor of Science degree at Oregon State University where he was active in leadership and student mentoring. He went on to apply leadership skills at University of the Pacific, participating in an overseas dental mission to Fiji and then chairing the subsequent program for the foundation. Closer to home, Dr. Michael served as Team Lead in Surgical Anesthesia for the Oregon Mission of Mercy in 2010, 2011, and 2013 and is eager to continue serving his community here in Washington County. As an affiliate assistant professor at OHSU, Dr. Michael volunteers his time to teach dental students about periodontics in the pre-doctoral dental clinic. Dr. Michael also regularly volunteers at Pacific University to lecture to dental hygiene students in addition to volunteering monthly for Project Homeless Connect to help the local under served population.

“Born and raised in Portland, I attended Sunset High School and will make my home in Hillsboro where I look forward to embarking on my professional career. I enjoy sports and the outdoors, spending free time snowboarding, surfing, hiking/camping, playing basketball, football, softball, and more recently, golf. If anyone wants to feel better about their golf game, I would be glad to make you look stellar by comparison.” Dr. Michael also enjoys spending time with his french bulldog Scooter who is the Hillsboro Implants & Periodontics office mascot.

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Kian Kar, Secretary

Kian Kar DDS, MS
USC Dentistry
925 W. 34 St. Rm43
Los Angeles, CA 90089
Phone: 213-740-4982

Dr. Kian Kar received his dental degree from the University of Southern California (USC) in 1995. He completed a fellowship in Periodontology and Implant Dentistry in 1996. He received a certificate in Periodontology after completing a three-year post- graduate training program in Periodontology and Implant Dentistry from USC in 1999 and he received a Master of Science degree in Craniofacial Biology from his research on the Immunology of periodontal disease in 2000. He has published his research in peer- reviewed journals and presented his findings in scientific meetings (American Academy of Periodontology, California Society of Periodontists, and the International Association of Dental Research). He is the recipient of California Society of Periodontology research Award in 1997, American Academy of Periodontology Award for Outstanding Teaching and Mentoring in Periodontics in 2013 and USC Mellon Mentorship Award in 2013. He has served as an editor for Journal of Clinical Implant Dentistry and Related Research, Journal of Periodontology, Journal of Oral Implantology and as a guest editor for Journal of California Dental Association.

Dr. Kar is the Clinical Director of Advanced Periodontology Program at Ostrow School of Dentistry of USC and a full time faculty member teaching post-doctoral and pre- doctoral dental students in Clinical Periodontology and Implant Dentistry. He is Board Certified of the American Board of Periodontology and an active member of the American Academy of Periodontology, Academy of Osseointegration, American Dental Association, California Dental Association, Orange County Dental Society, and California Society of Periodontists. He maintains a part time practice limited to Periodontics and Dental Implant Surgery in Mission Viejo, CA and Herman Ostrow School of Dentistry of USC Faculty Practice.

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Bobbi Birdi, Treasurer

Bobby Birdi DMD, Dip. Perio, Dip. Pros, MSc, FRCD(C), FACP, DABP
BC Perio Dental Health & Implant Center
501 - 777 W Broadway
Vancouver, BC V5Z 4J7
Phone: 604-872-0222

Dr. Birdi received his DMD with distinction from the University of Saskatchewan. He then moved to Minnesota to pursue post-graduate specialty training at the University of Minnesota
in both periodontics and prosthodontics. He is a Fellow and previous Examiner for the Royal College of Dentists of Canada, and a Diplomate of both the American Board of Periodontology, and the American Board of Prosthodontics. Dr. Birdi is one of the very few board certified dual specialists in periodontics and prosthodontics in North America, and the first specialist in the world to attain board certification in these two specialties in both the USA and Canada.

Dr. Birdi is also a Fellow of the American College of Prosthodontists, a member of the Association of Prosthodontists of Canada, and a member of the American Academy of Periodontology. Furthermore, he is a member of the board of directors for the Western Society of Periodontology.

He is a reviewer for the Journal of Oral Implantology, Clinical Advances in Periodontics, and the International Journal of Oral & Maxillofacial Implants (JOMI). He has recently been appointed to the board of The Journal of Clinical and Practical Oral Implantology.

Dr. Birdi has academic affiliations at the University of British Columbia and the University of Minnesota, where he is involved in research projects and clinical trials. Dr. Birdi also lectures internationally on perio-prosthetic implant therapy. Dr. Birdi also actively lectures both nationally and internationally in the fields of implant surgery and prosthetics, as well as esthetic dentistry.

Dr. Birdi is the co-founder of the Digital Dentistry Institute which is a learning organization for his fellow dentists. He is also currently practicing at the BC Perio Dental Health & Implant Centres in Vancouver. His practice focuses on comprehensive periodontal and prosthetic treatment with a major focus on esthetics and implant dentistry.

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Gerald Drury, Journal Editor

Gerald Drury, MS, DDS
1100 Pacific Coast Hwy., Suite F
Hermosa Beach, CA 90254
Phone: (310) 376-9884
Fax: (310) 318-1573

A Chicago native, Dr. Drury earned a B.A. in psychology, a B.S. in dentistry, as well as a D.D.S. from the University of Illinois. He holds a master’s degree in physiology from the Medical College of Virginia. Having interned at the Northeast Florida State Hospital, he practiced general dentistry for four years in Fort Myers Beach, Florida. He then decided to specialize in Periodontics, earning the Certificate in Periodontics at LSU and a research award from the American Association of Dental Research. He still returns to LSU annually as an instructor for its Periodontal Board Review course.

Dr. Drury began what has become more than 36 years’ teaching at the USC School of Dentistry; for the first two years, he taught full-time, after which he has remained as Clinical Professor and Course Director on a part-time status, earning a teaching award from USC Post-Graduate Periodontics. Since 1980 he has practiced Periodontics and dental implants in Hermosa Beach, California.

Dr. Drury possesses a sterling history of leadership and service in his profession. Service for the American Board of Periodontology has included positions of past Director and former Chairman, as well as newsletter Editor. He has served as a trustee for the American Academy of Periodontology from 2012 to the present. For the California Society of Periodontists he has served as Periodontal Peer Review Chairman for nearly 20 years and also served as their president. In addition he is the recipient of their outstanding public service award. His work for the Western Society of Periodontology has included not only a past presidency, but also as Editor-in-Chief of The Journal of the Western Society of Periodontology. Dr. Drury is the Ethics Chairman for the Western Los Angeles Dental Society. Listed in Who’s Who in America, he has lectured extensively, both nationally and internationally.

Excellence in writing has been an important part of Dr. Drury’s service. A Certified Dental Editor, he also received a journalism award from the International College of Dentists. He is Periodontal Peer-Review Chairman for the California Dental Association. Additionally, he has written scores of original articles.

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Todd Goldman, Executive Director

Todd Goldman
P.O. Box 1379
Lutz, FL 33548
Phone: (813) 444-1014
Fax: (813) 422-7966

Todd Goldman has worked in the dental industry for some 25 years. He has been a consultant for many associations inside and out of dentistry and has been a publisher for those 25 years. Some of his current and past clients include: The American Academy of Periodontology, The Southeastern Society of Pediatric Dentistry, The Chicago Dental Society, The Academy of General Dentistry, Florida Medical Association, The American Library Association, The National Association of Health Underwriters and the United States Tennis Association. Mr. Goldman has overseen the complete overhaul of numerous dental meetings, dental journals and publications during his two decades in the dental field. Goldman Association Management has been featured in Tradeshow Week for its expertise for twice growing the AGD Annual Meeting into the fastest growing medical meeting in the US (1995 and 1997).

In the first 18 months of management of the WSP, GAM has grown the WSP by 40% in the first year alone and currently has taken the WSP from 4 team sessions a year to 15 in 2017. Along with event growth sponsorship has grown from non-existent to over 100K in just 18 months.

Goldman Association Management will manage all aspects of the Western Society of Periodontology and all members are welcomed to contact him at any time. As well, they manage the Oregon Society of Periodontists, Arizona Society of Periodontists and Inter-mountain Society of Periodontists.

Todd Goldman grew up in Miami, is a graduate of the University of Miami in Political Science, and has lived in the Tampa Bay Area with his wife (Deb) and four children for the past 24 years.

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•  Arizona: Stephen Folson, D.D.S., M.S.
•  California: Thomas Baker, D.D.S.
•  Oregon: Michael Matsuda, D.D.S.
•  Washington: Robert M. London D.D.S.
•  Canada: Rana Tarzemany
•  Intermountain: Sean McKeon, DDS
•  Associate: James Sweeney, D.D.S.
•  Associate: Nagib Bahri, D.D.S.
•  Affiliate: Kathleen Hodges, R.D.H.
•  Affiliate: Sandra Schneidewind, R.D.H.

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Members at Large

•  Homa Zadeh, DDS, PhD
•  Robert London D.D.S.
•  Thomas Kepic, D.D.S., MSD

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Mailing Address
The Western Society of Periodontology
3820 Northdale Blvd.
Suite 205A
Tampa, FL 33624

(813) 444-1011

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