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Patient Intake
Contact Us

Meet the Team

Meet our compassionate & dedicated professionals

Get to know the people who make a difference every day through compassionate, personalized ABA therapy.

Andrew Chism
Andrew Chism, MBA
CEO & Co-Owner
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Marcus Hibbard, BCBA
Clinical Director & Co-Owner
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Hanna Vollenweider
Hanna Vollenweider, BCBA, LBA
Associate Director
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Megan Farrar
Megan J.A. Farrar M.Ed, BCBA, LBA
Lead Clinical Manager
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  • Maryland Heights
Sinclair Burmaster
Sinclair Burmaster, MA, BCBA, LBA
Lead Clinical Manager
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  • Mandeville
Ashley Gaw, BCBA
Lead Clinical Manager
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  • South County
Rebecca Fletcher
Rebecca Fletcher, BCBA, BA, LBA
Associate Clinical Supervisor
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  • Mandeville
Sharon McDaniel
Sharon McDaniel, MA, BCBA, LBA
Clinical Supervisor
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  • Hammond
Caitie Maas
Caitie Maas, M.Ed., BCBA, LBA
Clinical Supervisor
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  • Maryland Heights
Katelyn E. Craddick (Abt) MA, BCBA, LBA
Clinical Supervisor
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  • Maryland Heights
Alexa Hodgson
Alexa Hodgson M.A., BCBA, LBA
Clinical Supervisor
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  • Mandeville
Nick Schwer
Nick Schwer M.A., BCBA, LBA (MO)
Clinical Supervisor
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  • South County
Savannah DuFour
Savannah DuFour, BCBA, MA, LBA
Clinical Supervisor
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  • Mandeville
Marcus H.
Andrew Chism

Alexa H.

Hanna Vollenweider

Hanna V.

Rebecca Fletcher

Rebecca Fletcher

Savannah DuFour

Savannah D.

Sinclair Burmaster

Sinclair B

Nick Schwer

Nick S.

Ashley F.

Megan Farrar

Megan F.

Kate A.

Sharon McDaniel

Sharon M.

Alexa Hodgson

Alexa H.

Hours of Operation

Maryland Heights
8:30AM - 4:30PM
314-390-6923
Mandeville
8:00AM - 6:00PM
985-260-1473
South County
8:30AM - 4:30PM
888-739-5556
Hammond
8:00AM - 4:30PM
985-602-1558