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
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Joseph Mahoney, LSW
Executive Director
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C. Thomas Brophy, DO, FASAM
Medical Director
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Anna Shuster
Clinical Director
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Ave Jack
Executive Assistant
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Maria Slaugenhoup
Fiscal Manager
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Chet Garland
Facilities Manager
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Christine McGregor
Fiscal Analyst
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Amy Morris
RA Manager
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Kara Nastasi
HR Manager
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Alyssa Vorel
Supervisor of Outpatient Services
Inpatient
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Marci Gibson
Billing Manager
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Sydney Costa
Admissions Coordinator
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Brooke Wilson
Admissions Coordinator
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Kesia Jones
Medical Coordinator
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Coming Soon
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Angela DeAngelis
Counselor
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Mike Kellerman
Counselor
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Olivia Semmelroth
Counselor
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Laura Whittington
Counselor
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Sabrina Young
Counselor
Outpatient
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Casey Hoak
Counselor
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Briana McMahan
Counselor
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Nadine Rice
Counselor
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George Rutherford
Counselor
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Chris Short
Counselor
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Brent Kennard
Certified Recovery Specialist
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Jenn Ramsey
Ellen’s House Manager
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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