Little Leaves of White Marsh, MD

Tara Brightbill, M.A., BCBA, LBA is a Board Certified Behavior Analyst. Since joining the Little Leaves team in 2015, she has worked with children with developmental disabilities in home, school, and center-based settings. Tara earned her B.A. in Psychology from Goucher College, where she worked as an undergraduate research assistant in child development and presented her research at two nationally recognized conferences.  She earned her M.A. in Professional Behavior Analysis from Florida Institute of Technology.

Lisa Beard, M.A., BCBA, LBA, is a Board Certified Behavior Analyst and Licensed Behavior Analyst. Lisa has worked with children and adults with intellectual and developmental disabilities for the past seven years. She received her B.S. in Neuroscience with a minor in Psychology from Drake University in Des Moines, IA and her M.A. in Human Services Psychology from the University of Maryland, Baltimore County. Prior to joining Little Leaves, Lisa worked for the Inpatient Neurobehavioral Unit at the Kennedy Krieger Institute and participated in behavior-analytic research at Drake University. Her research has been presented at regional and national conferences and published in peer-reviewed journals.

Marissa Cantor, M.A., BCBA, LBA is a Board Certified Behavior Analyst and Licensed Behavior Analyst with over eight years of experience supporting children and adults with intellectual and developmental disabilities. Prior to joining Little Leaves, Marissa worked on the Inpatient Neurobehavioral Unit at the Kennedy Krieger Institute, where she supported individuals with complex behavioral and neurodevelopmental needs. Marissa earned her B.A. in Criminology, with a minor in Applied Behavior Analysis, from the University of South Florida, and her M.A. in Human Services Psychology from the University of Maryland, Baltimore County. Her clinical interests include increasing communication, prompting independence, and interdisciplinary collaboration to promote meaningful outcomes for individuals and their families.

Kristy Leyden is a Supervising Behavior Analyst with over eight years of experience working with young children diagnosed with autism. She specializes in implementing evidence-based interventions grounded in Applied Behavior Analysis (ABA) to support developmental growth, improve communication, and foster independence. Kristy is known for her compassionate approach, collaborative mindset, and dedication to helping each child reach their full potential. She works closely with families, therapists, and educators to create individualized treatment plans that make a meaningful impact.

Amanda Conkins is a Board Certified Behavior Analyst (BCBA) at Little Leaves Behavioral Services in White Marsh, specializing in early intervention and behavioral therapy for children ages 1 to 12 on the autism spectrum. With a Master of Science in Psychology and a specialization in Applied Behavior Analysis, Amanda has been dedicated to the field since 2019 and earned BCBA certification in February 2025. They are committed to developing individualized care plans that foster meaningful skill development and support long-term progress. Amanda also holds current CPR certification and brings a compassionate, evidence-based approach to every aspect of their practice.

Georgia Prevette, has been with Little Leaves for over four years, beginning as the Office Manager at our White Marsh location. After two years, she stepped into the role of Region 1 Operations Manager, supporting multiple centers and teams. She is excited to be back at White Marsh, continuing to support our staff and families in a place that feels like home. With over 7 years of leadership experience and more than 9 years working with children, I am deeply passionate about what I do. I care immensely about our clients and their families and am committed to creating a supportive, welcoming environment for everyone who walks through our doors.