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Who We Are

The Pacific Coast Society of Orthodontists was founded in 1912 and has grown to nearly 3,000 members. PCSO is comprised of component organizations and is the largest constituent organization of the American Association of Orthodontists.

Our Mission

The Pacific Coast Society of Orthodontists is a professional organization of orthodontic specialists whose mission is to help its members provide the highest level of care to the public by providing quality continuing education, providing a framework for a strong political voice, facilitating two-way communications between the organization and its members, and supporting the successful practice of orthodontics.

Who We Are

The Pacific Coast Society of Orthodontists was founded in 1912 and has grown to nearly 3,000 members. PCSO is comprised of component organizations and is the largest constituent organization of the American Association of Orthodontists.

Our Mission

The Pacific Coast Society of Orthodontists is a professional organization of orthodontic specialists whose mission is to help its members provide the highest level of care to the public by providing quality continuing education, providing a framework for a strong political voice, facilitating two-way communications between the organization and its members, and supporting the successful practice of orthodontics.

Our Leadership

Dr. Tom Merrill
Dr. Tom MerrillPresident
John Wachtel
John WachtelPresident-Elect
Mary Cooke
Mary CookeSecretary-Treasurer
Dr. Trista Felty
Dr. Trista Felty PCSO Trustee to the AAO
Dr. Marie Lathrop
Dr. Marie LathropImmediate Past President
Dr. Paul Kasrovi
Dr. Paul Kasrovi Delegation Chair
Ms. Callie Castro
Ms. Callie CastroExecutive Director

CE Passport

CE Passport

Events Calendar

Upcoming Events

Proposed Bylaws Update

Proposed Bylaws Update

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Become a Member

The PCSO website is your gateway to information and benefits. PCSO members can log in to participate in forums and blogs.

Latest News

Montana passes dental loss ratio legislation

On June 3, 2025

Montana became the third state in 2025 to pass dental loss ratio legislation after Gov. Greg Gianforte signed Senate Bill 335 into law.Read more

3 things you missed in government this week

On May 30, 2025

ADA News is providing a roundup of government happenings you may have missed this week.Read more

5 things to know about the American Association of Oral and Maxillofacial Surgeons

On May 30, 2025

Five facts you may not know about the American Association of Oral and Maxillofacial Surgeons from its president, J. David Morrison, D.M.D.Read more

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