Meet the Trainers

Venue-Based Training

Interactive Webinars

Online Videos

Gary W. LaVigna, Ph.D., BCBA-D

Thomas J. Willis, Ph.D.

Elizabeth Hughes, Ph.D., BCBA

Lori Ann Dotson, Ph.D.


Start Small Move Slow

Positive Behavior Support: From Core Values to Core Practice
Elizabeth Hughes, Ph.D., BCBA

Contact John Marshall to schedule this workshop in your area.


Positive Practices in
Behavioral Support

Thomas Willis, Ph.D.

Beginning in mid-July 2021


Assessment and Analysis of
Severe and Challenging Behavior

Thomas J. Willis, Ph.D.

Beginning in late June 2021

Beginning in October 2021

Beginning in late January 2022

Contact John Marshall for more information.


  • Jargon Free Lecture on
    Positive Behavioral Support

  • Positive Practices in
    Behavioral Support



Behavior Analyst Certification Board
ACE Provider Number OP-02-0027

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