Get To Know Us

Harker Heights HQ

SLC is excited to be providing Applied Behavior Analysis, Speech and Counseling services to Harker Heights and the surrounding communities. Our caring and experienced tribe has a proven track record of producing meaningful life-long developmental growth in our clients. We offer customized programs for our clients while providing the frequency, oversight, and quality of care they deserve. We are conveniently located near many Killeen ISD campuses, private school campuses and more. We have multiple partnerships on Fort Hood which make us an accessible resource.

Our upcoming permanent location will be convenient for families which means that our community is better served and families can access the treatments they deserve and need. SLC prides itself on its ability to foster a positive relationship with both the client and their families as part of their wholistic therapy approach and program. We are always accepting new clients so please reach out and request more information.

Hours of Operation: Monday-Friday 9:00am-5:30pm

Address: 840 Prospector Trail, Harker Heights, Tx. 76548 

(Phone) 254-833-3700

(Fax) 254-442-8088

Amanda Dunkes, LBA, BCBA Executive Director

Office Staff:

Kaylyn Vranich, Human Resources Director

Katiria Klippstein, Administrative Coordinator

Rosanna Griffith, Administrative Coordinator

Rehabilitation Services:

Occupational Therapy:

Alexis Vo, OTR, Lead Occupational Therapy Supervisor

Megan Goldner, OTR

Aubrey Stone, OTR

Speech Therapy:

Leslie Rose, CCC-SLP, Lead Speech Therapy Supervisor

Applied Behavior Analysis:

Wahaj Mandavia, LBA, BCBA, Clinical Director

Debra Trujillo, LBA, BCBA, Assistant Director

Taylor Beagle, LBA, BCBA, Clinical Supervisor

Tonikka Davenport, LBA, BCBA, Clinical Supervisor

Heather Syrinek, LBA, BCBA, Clinical Supervisor​

Autumn Brown, LBA, BCBA, Clinical Supervisor​

Sarah Ham, LBA, BCBA, Clinical Supervisor

Brandon Spraker, RBT Coordinator

Caitlin Friend, RBT Coordinator

Alexander Dunkes, RBT

Agnes "Sammy" Ruiz, RBT

Ashley Barnett, RBT

Timmie Harness, RBT

Cherronna Marzett, RBT

Dontae Robbins, RBT

Brent Brown, RBT 

Candace White, RBT

Josett Garcia, RBT

Cathryn Tones, RBT

Heather Gibbs, RBT

Mardochee Julien-West, RBT

Alexis Mcewen, RBT

Jennifer Marina, RBT

Lucas Lynch, RBT

Taylor Smith, RBT

Leah Jones, RBT

Whitney Darby, RBT

Raegene Sterling-Cahee, RBT

Deanie Richardson, RBT

Halee Rugenstein, RBT

Kendra Queen, RBT

Johanna Ramirez-Silva, RBT

Elon Allen, RBT

Colleen Walker, RBT


Heather Syrinek, LPC

A few of our community partners:

Child and Youth Services

That Art Place

Urban Air

Life Moves Yoga

Indian Oaks Nursing Home

Lily’s Cakes

Purser Park Trail

Harker Heights Chamber of Commerce

Lonestar Pediatric Dentistry

Harker Heights Library

Connell and Associates


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