About Us

Empowering Positive Change

Community Counseling Center offers individuals and families hope, healing and pathways to a healthy and fulfilling life through counseling and support services.


Our Story

Our Purpose

Is to provide quality care to enhance the well-being of those we serve.

We Serve

Adults, children and families who live in Mercer County, Pennsylvania and the surrounding areas. 



Hermitage Office

8:00am – 6:00pm M-TH | 8:00am-4:00pm Friday

2201 E State Street

Hermitage, PA 16148


Greenville Office

8:30am–6:00pm M/T/TH | 8:30am-5:00pm Wednesday | 8:30am-4:00pm Friday

77 N Main St.

Greenville, Pennsylvania 16125


Grove City Office

Appointment Only.

107 Breckenridge St., #3

Grove City, PA 16127



Diane Gardner – Chair of the Board

Nicholas Baron – Chair Elect

Tom Amundsen – Treasurer/Past Chair of the Board

Harriett Guido – Secretary

Tina Adamson

Robert Baker

Bill Dodd

Dr. Daniel Brown

Thalia Heiges

Laura Leskovac

Camille MacHarg

Margaret Wiley

Deborah Wojtalik


Honorary Members

Timothy Jablon, Joan “Bunny” Maffey, Duane Piccirilli, Ruth White, Edith Myers, Glenn Riley


Meet the Senior Team

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Dr. john mahinis


Chief Executive Officer

Dr. Mahinis has his Bachelor’s Degree in Sociology, Master’s Degree in Education, Ph.D. in Counseling Psychology, and his MBA.  He has over 20 years of experience in financial management as well as providing and overseeing counseling services for various agencies.  John is focused on projects involving rapid turnaround times and time critical decisions are within his comfort zone.  He is a team builder, strategist, planner, and organizer. He describes his  important character traits as loyalty/trust/devotion/ commitment/candor. They are the bedrock principles upon which his strength as a leader exist. His enthusiasm, dedication, drive, creativity, stability, and collaborative nature, make him a dynamic communicator, with strong emotional intelligence.  He has directed organizations in several traditional, higher level corporate, senior executive roles within a variety of different industries nationally and internationally.  He is bi-lingual, observant, quick, accurate, friendly, conscientious, and educated but not elitist. He is capable of managing the plethora of personalities, cultures, and nationalities from his international business dealings.

John is a United States Veteran having served as an officer in the Military Intelligence branch of the United States Army, retiring as a Lieutenant Colonel.

Constance Walker


Chief Financial and Operations Officer

Constance J. Walker, BA has been the Chief Financial and Operations Officer at Community Counseling Center since 1989. She is a Thiel College graduate with a double Major in Accounting and Business Administration and a minor in Economics. Her responsibilities at Community Counseling Center include Human Resources, Clerical Support Services, Building Management, and all Financial Operations and support.

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Jerry Brewster


Chief Administrative Officer and Director of Community Services

Jerry began his career with Community Counseling Center as a Mobile therapist, moved to BHRS Team Leader and then Quality Assurance & Compliance Director.  For over the past decade, Jerry has provided guidance to Quality, Compliance, IT and Organizational Development as a Director.  He earned his Bachelor of Science in Psychology at Kent State University and a Master’s of Science in Education (Community Counseling) at Youngstown State University.  Jerry’s current duties include community services, while continuing to oversee Quality, Compliance and IT.  Jerry has been employed at Community Counseling Center since 2002.

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Kathryn McBride


Chief Human Resources Officer

Kathy graduated from Kent State University with a Bachelor of Business Administration.  Prior to COMMUNITY COUNSELING CENTER, she began her career in retail management working in both department and specialty stores, where she was promoted to a regional position where she focused on guest services and then transitioned to Human Resources.  Kathy has worked in Human Resources for over 20 years.  In addition, Kathy is certified by HR Certification Institute (HRCI) as Certified Professional in Strategic Human Resources (SPHR) and by the Society for Human Resources (SHRM) as a Senior Certified Professional (SHRM-SCP).

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Jose W. Santiago


Medical Director

Jose W. Santiago, MD is the Medical Director of the Community Counseling Center. He is a 1986 graduate of the University of Puerto Rico, San Juan School of Medicine. He completed his residency in the Department of Psychiatry at Temple University Hospital in Philadelphia. He is a member of the Psychiatric Physicians of Pennsylvania, the American Academy of Clinical Psychiatry, the American Psychiatric Association, and the American Medical Association. He is certified by the National Board of Medical Examiners. Dr. Santiago has provided psychiatric services at the Community Counseling Center since 1998.

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Scott Baker


Director of Clinical Service

Scott Baker, PhD, LPC has a Masters degree in Community Counseling from Youngstown State University, a Doctoral degree in Counselor Education and Supervision from Kent State University, and a Post-Doctoral Certificate in Addictions Counseling from Kent State University. He has been a licensed counselor in three states, and he has provided a wide range of counseling services. His work experience includes crisis and disaster response, addictions counseling, mental health counseling with children and adults, custody evaluation, psychological evaluation, reunification counseling, co-parenting counseling, parenting coordination, and counselor education and supervision.