Staff Directory

Click on the person's name to send that individual an email.  Thanks, and we look forward to hearing from you.

Program Director, GCA Centre


Nathan Zimmerman

Program Coordinator, Chattanooga area

Nathan Zimmerman

Program Coordinator, Metro Atlanta area

Jamie Mackintosh, BA

Parents/Young Adults Facilitator, Dalton area

James Adams, PhD

Parents/Young Adults Facilitator, Dalton area

Kathy Parker-Adams, EdS

Parents Outreach Coordinator, GCA Centre

April Jagger, MEd

Dining Out Social Coordinator, Chattanooga area

Bilingual Intern, GCA Centre

Tenesha Colquitt, AA

GCA Office: 423-531-6961 x7   

CAC Phone: 423-531-6961

GCA Email: 

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1400 McCallie Avenue        Suite 100        Chattanooga, TN  37404


You are urged to use independent judgment when considering any resources associated with the provision of services mentioned. Please always ask questions, obtain references, and consult professionals for guidance on all information provided here. Thank you. 

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