Our Team

Dr. Zachary Bird is the Founding Consultant of Principled Behavior Consultants. He’s a Doctoral-level Board Certified Behavior Analyst (BCBA-D) licensed in Virginia. He has more than 15 years of experience working with a variety of populations including individuals with developmental disabilities and conduct disorders. His expertise is in the assessment and treatment of severe disruptive behavior across a variety of settings. Additionally, he provides consultation with schools on classroom management and systematic instruction. He earned his PhD in Behavior Analysis at Simmons College and his master’s degree in Applied Behavior Analysis from Western New England University. His peer-reviewed research was published in the Journal of Applied Behavior Analysis. You can listen to him as a co-host of the ABA-focused Functional Relations Podcast.

Angie Bird is a Senior Behavior Consultant at Principled Behavior Consultants. She is a Board Certified Behavior Analyst (BCBA) and Licensed Behavior Analyst (LBA) in Virginia who earned her master’s degree at Western New England University.  She is licensed as a behavior analyst in Virginia and has over 15 years of experience working with clients with special needs. She is primarily interested in teaching social skills and training parents but has a wide range of experience working with schools, in-home services, and center-based services.  She finds joy in teaching others about ABA and helping to make a difference in the lives of clients and their families.

Bryanna Godel is a Behavior Consultant at Principled Behavior Consultants. She joined PBC as a Board Certified Behavior Analyst (BCBA) and Licensed Behavior Analyst (LBA) in Virginia. She earned her master’s degree in Applied Behavior Analysis from Ball State University in 2020. She has a background in working with individuals with mental health and substance abuse problems. Additionally, she has 3 years of experience working with individuals with Autism Spectrum Disorder and other developmental disabilities. She has a passion for helping individuals and families reach their goals.

Liz Brown is a Behavior Consultant at Principled Behavior Consultants. As a Board Certified Behavior Analyst (BCBA) and Licensed Behavior Analyst (LBA) in Virginia, Liz has been privileged to work with diverse student populations across various public schools since 2016. Her professional journey has taken her through a range of community, clinic, and in-home settings in both Virginia and North Carolina. While earning her Master’s Degree in Psychology with a concentration in Applied Behavior Analysis at UNC Wilmington, she engaged in clinical research treating pediatric feeding disorders in children. She hopes to use her experience to provide high quality and compassionate services to the clients at PBC.

Amanda K. Cash is a Behavior Consultant at Principled Behavior Consultants. She is a Board Certified Behavior Analyst (BCBA), a Licensed Behavior Analyst (LBA) in Virginia, and a doctoral student. She earned her master’s degree from Providence College and then completed additional coursework in Special Education Leadership through Drexel University and in Applied Behavior Analysis (ABA) through Florida Institute of Technology. Prior to joining PBC, she worked in public and private schools as a special educator, behavior analyst, and educational consultant. She is passionate about effective instructional practices and helping clients become as independent as possible.

Tia Bye is the Office Administrator at Principled Behavior Consultants. She earned an associate’s degree in General Studies at Patrick & Henry Community College in Martinsville, Virginia. She is proud to support PBC with her organizational and secretarial skills, and to serve the community with compassion and generosity.