With more than thirteen years experience in the applied behavior analysis field, Maegen founded Breakthrough Behavior with the mission to provide highly effective and accessible services to individuals with autism. As a board certified behavior analyst (BCBA), she has specialized in school, clinic and home therapy, providing a unique and personalized treatment plan for hundreds of clients throughout the United States. Maegen received her bachelor's degree in psychology with an emphasis in applied behavior analysis (ABA) from California State University, Fresno and master's degree in special education from California State University, Monterey Bay. She currently resides in Orlando, Florida, with her husband Ryan, daughters Saoirse and Ella and two dogs Sammi and Charlie.

Chief Executive Officer


Maegen Pierce

Adrienne Johnston

Director of Human Resources

With more than 30 years of human resources experience, Adrienne has worked for a range of organizations across numerous industries such as aerospace, transportation, telecommunications and academia. Adrienne specializes in leveraging human capital management (HCM) systems to improve policies, procedures and processes. She is proud to continually advocate for what is right and prioritizes the safety and security of employees. Adrienne is a native of northern California and earned a bachelor’s degree in business administration from San Jose State University. She began her career with The Boeing Company in Los Angeles and also completed her master’s degree in psychology and education at Pepperdine University.

David Yoffee


With more than 20 years of accounting and finance experience, David leads all aspects of financial management for Breakthrough Behavior, including regulatory and financial reporting, budget and forecast preparation, and corporate accounting. He is a certified public accountant (CPA) and most recently worked for a multi-site medical practice. David also has previous experience with starting and growing his own multimillion dollar organization.



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