Diane Berth, MA, LPA, BCBA
Diane has over 40 years of experience with individuals with various types of developmental disabilities, including autism. In 2015, she completed her master's degree in Clinical Psychology (MA) at the University of North Carolina Wilmington with a focus on Applied Behavior Analysis. Her studies culminated with an internship at the J. Iverson Riddle Developmental Center, licensure as a Psychological Associate (LPA), certification as a Behavior Analyst (BCBA), and the establishment of Berth Behavior Consultation, PLLC. She now provides community-based Behavior Consultative Services for adults with IDD who are at risk for placement in a more restrictive environment due to severe problem behavior or lack of adaptive life skills. Diane provides Specialized Consultative Services for adults in home and community-based settings in Southeastern North Carolina and is intentional about connecting with other providers in the community. Previous professions include bookkeeping, auditing, and management for a period of 10 years, then a career as a radiation therapist for 15 years. Diane brings a variety of skills, interests, and past experiences forward into all aspects of her practice and in advocating for others to access and receive the supports they need.
Jason Smolensky, MS, LBA, BCBA
Jason is a creative and passionate Board-Certified Behavior Analyst© (BCBA) who enjoys a collaborative, goal-oriented approach to helping others learn and to live their best lives. He graduated from the University of Vermont with a bachelor's degree in Secondary Education in 2016 (BS) and the University of North Dakota with a Master of Science degree in Applied Behavior Analysis (MS) in 2019. Jason's experience includes providing behavior analytic services to people ages 2 to 40 in a wide variety of settings for the past seven years, providing clinical support to other behavior analysts, starting and maintaining clinical locations, and operations management. Jason is dedicated to and motivated by establishing long-lasting client, caregiver, and provider relationships, and obtaining empirically guided treatment results.
Dr. Joshua Garner, Ph.D., BCBA-D
Joshua's career began as an undergraduate in psychology at Ohio State University. As an undergraduate, he served several roles including providing intervention services for young children with disabilities, a research assistant in psychopharmacology, and was a trainee in behavioral pediatrics. Joshua then entered graduate school, earning his master's degree and PhD in special education and applied behavior analysis from Ohio State University. During graduate school, Joshua coordinated a reading clinic for children and adults and coordinated behavioral intervention services for children in Columbus City Schools. After graduate school, Joshua served in several leadership roles including assistant professor and director of research at the Chicago School of Professional Psychology, and executive director of the Walden Learning Collective and the Behavioral Education Research Initiative. Joshua enjoys conducting translational research and has publications pertaining to the resurgence of operant behavior. Recently, Joshua published and presented on issues pertaining to healthcare workers' freedom in ABA. Additionally, he has extensive experience as an educational and behavioral consultant for children and adults with disabilities. Joshua joined Berth Behavior Consultation in June 2023 to develop and supervise a training curriculum for others interested in providing integrative care behavior support services for adults with disabilities.
Dr. Jennifer Haddock, Ph.D., BCBA-D
Dr. Jennifer Haddock is a Board-Certified Behavior Analyst® with over 20 years of experience in the field. Dr. Haddock earned a Ph.D. from the University of Florida, following a master's degree from California State University, Los Angeles, and certification from the Florida Institute of Technology. She completed a postdoctoral fellowship at the Kennedy Krieger Institute and teaches graduate courses in behavior analysis. Since 2006, Dr. Haddock has been dedicated to helping individuals with autism, intellectual and developmental disabilities (IDD), and related conditions improve their lives using behavior analysis. She has experience working in a variety of roles across home, community, clinic, inpatient, and research settings. Her many interests include caregiver coaching, addressing emotional and challenging behavior, increasing independent living skills, and community building.
Driven by a passion for the science of behavior, Dr. Haddock aims to empower individuals and their families to enhance the quality of their lives. Through personalized, evidence-based interventions, Dr. Haddock strives to bring about meaningful and lasting improvements in behavior and overall well-being of her clients and their families.
Sophia Barsanti, MS, BCBA
Sophia is a dedicated Board Certified Behavior Analyst with undergraduate degrees in Psychology and Music from the University of North Carolina at Chapel Hill followed by an MS in Psychology with a concentration in Applied Behavior Analysis from the University of North Carolina at Wilmington. Sophia has worked in the field of ABA since 2019, having worked as a Registered Behavior Technician before starting her graduate studies. Sophia joined the Berth team as an masters degree intern in 2024, became certified in 2025, and is passionate about developing creative, individually tailored interventions based on clients’ unique interests and passions.
Rachel Van Metre, MA, LBA, BCBA
Rachel is a Board Certified Behavior Analyst (BCBA) and Licensed Behavior Analyst (LBA) in North Carolina dedicated to helping individuals and families achieve meaningful, lasting outcomes through evidence-based behavioral support. She earned her Bachelor of Social Work from East Carolina University in 2019, then her Master of Arts in Applied Behavior Analysis and Graduate Certificate in Autism from Ball State University 2021. Rachel is passionate about advocating for individuals with autism and intellectual and developmental disabilities. She values building strong relationships with families and care teams to create individualized treatment plans that help each person thrive. Outside of work, Rachel enjoys spending time with her three dogs, participating in recreational sports around town, reading, and completing jigsaw puzzles.
Angela Walker, MA, BCaBA
Angela Walker is a Board Certified Assistant Behavior Analyst (BCaBA) with more than a decade of experience supporting individuals with autism, intellectual and developmental disabilities, & co-occurring mental health needs. She began her career in ABA in 2015 as a Registered Behavior Technician in Hawaii and has remained dedicated to the behavioral health field ever since. Before joining Berth Behavior Consultation, Angela worked with NC START, where they supported individuals ages six through adulthood offering crisis support, therapeutic activities, & advocacy. Her experience also includes traveling to Uganda with the Global Autism Project, where she collaborated with local professionals at an orphanage serving children with autism and other developmental disabilities. Her approach incorporates ABA and positive psychology, focusing on each person's strengths, goals, independence, and overall quality of life. Angela earned a Bachelor of Science in Criminal Justice from North Carolina Central University and a Master of Arts in Youth and Family Ministry. She completed her BCaBA coursework through the University of West Florida and is currently enrolled in coursework to meet the educational requirements to sit for the BCBA examination. Angela is passionate about providing compassionate, person-centered support and giving those she serves the tools and opportunities needed to live meaningful and fulfilling lives.