Meet Our Team

Ready, Set, Play!

At ACI Learning Centers, our focus is on supporting, collaborating, and learning from each other. Together as a team we can accomplish anything we set out to do.

Executive Team


Nancy Champlin, BCBA

Chief Executive Officer


Brad Champlin

Chief Financial Officer


Tanner Sierks

Business Manager


Melissa Schissler, BCBA

Director of Research and Development


Whitney Wehrkamp, BCBA

Regional Director

Clinical Directors


Nicole Norris, BCBA

Clinical Director, Colorado Springs, CO

Corissa O'Dell, BCBA

Clinical Director, Harker Heights, TX

Corissa is the current Clinical Director of ACI Learning Centers in Harker Heights and has been with ACI since 2015. Corissa has over four years of experience in the field of Applied Behavior Analysis. In 2013 she graduated from Kaplan University with an undergraduate degree in Psychology with an emphasis in Applied Behavioral Science. In 2017, she graduated with a Master’s degree in Psychology with an emphasis in Applied Behavior Analysis from Kaplan University and became a BCBA shortly after. Corissa has been marred for eight years, and is a mom of two daughters and a son. Whenever possible she enjoys traveling overseas to experience new cultures and the local arts.

Emily Hogan, BCBA

Clinical Director, Southlake, TX

Melissa Hancock, BCBA

Clinical Director, Oklahoma City, OK


Elle Smith, BCBA

Clinical Director, Overland Park, KS

Corporate Team

Kaylee Condoulis

Insurance Liaison


Ashleigh Hill

Coding Specialist

Nora Clark

Coding and Claims Specialist

Originally from Philadelphia, Pennsylvania, Nora graduated with a Sociology degree from Kutztown University. She spent three years as a preschool teacher for a non-profit organization, where she discovered her love of being a part of a group that provides services to all children. In 2016, Nora joined the ACI team as an administrative assistant for the Colorado Springs center and has since become a claims specialist as part of the billing department.


Katharina Coleman

Human Resources Administrator

Jessica Berger

Intake Coordinator

Success Through Natural Learning

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