Our Team
Our team is made up of passionate professionals who believe in doing more than just providing therapy—we uphold the highest standards in ABA, invest in mentorship, and create an environment where children and clinicians can achieve their best.
Co-Founder & Executive Director
Virginia Serpas, MA, BCBA
Since 2014, Virginia has dedicated her career to ABA, specializing in early intervention and earning a reputation for guiding families with practical, compassionate support. She began as a behavior technician, advanced to assistant behavior analyst, and earned her Master’s in Applied Behavior Analysis from the University of South Florida before becoming a BCBA. As Co-Founder and Executive Director of Pivotal Achievements, Virginia provides leadership across all areas of the clinic—training and developing RBTs, supporting BCBAs, and shaping the culture to uphold the highest standards where children make meaningful progress and clinicians feel valued and inspired.
Co-Founder & Director of Mentorship
Alexie Sabala, M.Ed., BCBA
With over a decade of experience in ABA, Alexie is recognized for his precision in developing focused, evidence-based interventions and for his leadership as a mentor to students pursuing careers in behavior analysis. He began his career as an RBT, advanced to assistant behavior analyst, and went on to earn his Master’s in Special Education with a concentration in Applied Behavior Analysis from the University of Washington before becoming a BCBA. At Pivotal Achievements, he leads cohorts of student analysts through intensive BCBA fieldwork, shaping future behavior analysts who are confident, capable, and committed to excellence.
Board Certified Behavior Analyst
Stephanie Padilla, MS, BCBA
Stephanie began her career in ABA as a Registered Behavior Technician, where she quickly discovered her passion for celebrating progress and supporting families. Motivated to make a greater impact, she earned her Master’s in Applied Behavior Analysis from Simmons University and went on to become a BCBA.
She has worked across diverse settings, helping children achieve meaningful goals while empowering families every step of the way. At Pivotal Achievements, Stephanie brings warmth and creativity to her practice, designing engaging, purposeful learning experiences and continuing to grow as a clinician dedicated to lasting progress.