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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

Prioritize well-being this Mental Health Awareness Month with ADA resources

On May 28, 2026

The ADA offers various resources to help dentists prioritize their well-being during Mental Health Awareness Month.Read more

ADA Forsyth ranks No. 1 nationally in NIDCR funding to dental institutions

On May 28, 2026

ADA Forsyth Institute researchers were awarded more than $11.8 million in grants in fiscal year 2025.Read more

ADA supports PARTNERS Act aimed at strengthening oversight of Medicare Advantage dental benefits 

On May 27, 2026

The ADA is supporting legislation aimed at strengthening oversight and enforcement of Medicare Advantage supplemental dental benefits. Read more

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