CARING.
COMMITTED.
COMPASSIONATE.

As the longest-running addiction treatment program in southwestern Pennsylvania, the Gaiser Center has served as a trusted leader in recovery for more than 50 years. Guided by one of the region’s only physicians board-certified in both addiction medicine and emergency medicine, our team brings a deep understanding of the science behind recovery to every individual we serve.

Our licensed social workers, nurses, and addiction counselors work collaboratively to deliver the latest and most effective treatment options, offering holistic care that supports physical, mental, and spiritual well-being throughout each person’s recovery journey.

meet our team

Administration

  • Joseph Mahoney

    Joseph Mahoney, LSW

    Executive Director

  • C. Thomas Brophy, DO, FASAM

    Medical Director

  • Anna Shuster

    Clinical Director

  • Ave Jack

    Executive Assistant

  • Maria Slaugenhoup

    Fiscal Manager

  • Chet Garland

    Facilities Manager

  • Christine McGregor

    Fiscal Analyst

  • Amy Morris

    RA Manager

  • Kara Nastasi

    HR Manager

  • Alyssa Vorel

    Supervisor of Outpatient Services

Inpatient

Outpatient

Board OF Directors

DAVID HILLIARD
President

President/CEO
Butler County Family YMCA

TERRI FUELLGRAF
Vice President

Business Owner

DONALD BULLMAN
Secretary

Business Owner
Reflections Hair Studio

KAREN FAZDEN
Treasurer

Wealth Advisor
Kindred Wealth Partners

PAT CASEY
Public Defender
Butler County 

STEVEN D’ACHILLE
Business Owner

SHERRY LYNN
Owner
Eisler Landscapes

BRANDI MASER, SHRM-CP
HR Director
Butler County Family YMCA

JESSICA MATONAK
Executive Director of
Communications & Marketing

Butler County Community College

LOU ANN ROSELLINI, RN
Retired

MATTHEW SCHMIDT
Business Analyst Specialist
BNY Mellon

MATTHEW SCHNUR
Vice President of Ancillary Services
Independence Health System

TAMMY SCHUEY
General Manager
Butler Eagle

EVA WRIGHT, MBA
Lead Analyst
BNY Mellon

WENDY BENNETT, MBA
Board Member Emeritus
Retired Financial Advisor

MARTIN O’BRIEN
Board Member Emeritus
Retired Judge

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