About Us


Angela, Nicole and Kimanhi met while teaching at a non-public school program several years ago.  After working for a short amount of time in their own private settings, they decided to come together to create a trans-disciplinary approach to teaching students who have multiple service needs.


Angela Liston OTR/L has accumulated over 10 years of experience working with children diagnosed with Autism and other developmental delays in the school and private practice setting.  In addition to providing traditional services focusing on fine and gross motor skills, she is Level 1 Certified in Handwriting Without Tears TM, is trained in Yoga for Special Needs Children and is a certified provider of The Listening Program TM. Angela has a special interest in developing sensory integration programs to help students with sensory modulation deficits. Contact Angela.

Nicole Nicole Carl Orellana MS, CCC-SLP has been a Speech and Language Therapist working with children diagnosed with Apraxia, Learning Disabilities, Autism Spectrum Disorder and other developmental delays since 2004 in both the non public school and private practice settings. Nicole received her Master's Degree in Speech Language Pathology from Boston University and completed additional coursework in Applied Behavior Analysis for Special Education from Pennsylvania State University.  She has completed several seminars in The Pyramid Picture Exchange Program TM, LAMP - Language Acquisition Through Motor Planning, DIR/Floortime TM from Stanley Greenspan, Social Story writing from Carole Gray and Social Thinking TM Curriculum from Michelle Garcia Winner.  Nicole has completed advanced/bridge level training for PROMPT TM and has a strong interest in seeking her certification. Nicole has extensive experience helping children learn to use a variety of low and high tech augmentative communication systems to support functional communication and social interaction. She has strong success teaching minimally verbal children how to verbally communicate. Contact Nicole.

Kimahni Peele MS, BCBA holds a Masters Degree in Special Education. He has over six years of experience in a nonpublic school setting for children diagnosed with autism. He is a Board Certified Behavior Analyst who received his training from Pennsylvania State University.  In addition to working with children in the school setting, Kimahni has several years of experience working with families to develop and implement home ABA therapy programs.  He has experience and training in the implementation of Verbal Behavior therapy and the Pyramid Picture Exchange Program TM.  Kimahni works with both children and adults that are diagnosed with developmental disabilities. Contact Kimahni.


Sara Costa MA, CCC-SLP 

Sara is an ASHA certified and licensed Speech-Language pathologist. She graduated from the University of Central Florida in 2013 with a masters degree in Communication Sciences and Disorders. Sara specializes in serving children diagnosed with Autism Spectrum Disorder, reading disorders, and motor-based articulation disorders. In her commitment to being a life-long learner, she has completed trainings and certifications in Prompts for Restructuring Oral-Muscular Phonetic Targets (PROMPT) Technique, Reading with TLC, and K-SLP strategies. In addition to her formal trainings, Sara has extensive experience serving children with autism and their families utilizing the DIR/Floortime model. Sara has been practicing since 2013 in the private practice setting. 

Caitlyn Gambrill, MA CCC-SLP

Caitlyn holds a Bachelor of Science in Special Education and Elementary Education from Vanderbilt University, and a Masters Degree in Speech Language Pathology from Northwestern University.  She has experience working with people with Autism Spectrum Disorders, Apraxia, and other developmental delays.  She has attended seminars on Language Acquisition through Motor Planning from John Halloran, Social Thinking TM from Michelle Garcia Winner, and is PROMPT TM trained. Caitlyn has experience working in a non-public setting with students from 6 to 20 years of age.  Caitlyn has experience working with low and high tech augmentative communication devices.

Shanna Klump MS, CCC-SLP

Shanna is a Speech Language Pathologist with a strong background in diagnosing and treating children with Autism Spectrum Disorder, Learning Disabilities, and other developmental delays.  She also has experience working with students with a multi-lingual background.  She has been practicing since 2007 in both the public school and private practice settings.  She received her undergraduate and graduate degrees in Communication Sciences and Disorders from the Pennsylvania State University.  Shanna is certified to provide the Hanen® It Takes Two to Talk® program for parents.  She is also PROMPT TM trained.

Felicia Williamson MS, CCC-SLP

Felicia earned both her Bachelor of Science in Communication Sciences and Disorders, and Master of Science in Speech Language Pathology from Howard University in Washington, DC.  Following her graduate program, she completed additional coursework to earn graduate certifications in Assistive Technology and School Administration and Supervision.  She has extensive experience providing therapy for children with a variety of complex and intensive speech and language and behavioral needs including those with Autism Spectrum Disorder and Emotional Disabilities.  Additionally, she has completed training in PECS (Picture Exchange Communication System TM) and has experience working with a wide variety of communication systems and devices.  Felicia recently completed PROMPT technique level training.

Stacey Greenberg MS, OT/RL

Stacey holds a Bachelor of Science in Nutrition and Dietetics and a Masters Degree in Occupational Therapy and Occupational Science.  She is an equestrian who has been riding horses and competing since she was seven. She currently is a riding instructor specializing in children and teens. She utilizes these skills when she is treating her clients. She volunteered at a therapeutic riding facility and has experience with equine assisted occupational therapy and hippotherapy. Stacey had the opportunity to complete her fieldwork at the Institute for Well-being (IWB) in Towson, Maryland. The IWB was Stacey's first hands-on experience with the pediatric population and it was where she realized she felt the most passionate about providing services to children and young adults. Stacey has a strong interest in using sensorimotor strategies to help her clients succeed in and out of the therapy setting. She adapts her sessions to include what her clients enjoy and what they need to work on including sensory regulation strategies.

Gina Flynn MS. CCC-SLP

Gina holds a Masters Degree in Speech Language Pathology from Loyola University (Loyola College of Maryland at the time).  She has been a Speech and Language Therapist working with people with Autism Spectrum Disorders, Apraxia, and other developmental delays since 1991. Gina has been a member of The Speech and Hearing Discussion Group of Greater Washington for over 20 years.  She has experience working in the Head Start, public school, home and private practice settings.  Gina  has worked with low and high tech augmentative communication devices and has developed and implemented home programs to teach nonverbal communicators to use verbal communication.

Ashley Rozegar, M.S., BCBA, LBA

Ashley has been working with individuals who are differently abled for over 10 years. She began working with clients in an early intervention program where she worked directly with clients 18 months to 10 years old to support skill acquisition and behavior reduction. Since then she has worked in various settings including hospitals (Kennedy Krieger Institute on the Neurobehavioral Unit (NBU), public school systems, non-public settings, home (waiver service providers) and clinical settings. She received her masters degree in Psychology with a Specialization in Applied Behavior Analysis in May 2015, and also holds a post-baccalaureate certificate in Autism Studies. She became a Board Certified Behavior Analyst in February 2017 and a Licensed Behavior Analyst in May 2017. Ashley has experience working with Deaf clients and is understanding of needs of clients in the Deaf community. She has been immersed in and has used American Sign Language (ASL), and will coordinate efforts with ASL interpreter when requested. Her areas of interest are verbal behavior, treatment integrity, conducting assessments, reduction of maladaptive behaviors, and early intervention. She enjoys collaborating with other professionals and caregivers to ensure that the best possible care is provided to her clients. Ashley has been working at The Children’s SPOT since May 2017.

Robin Ortiz, M.S., BCBA, LBA

Robin is a licensed and Board Certified Behavior Analyst. She obtained her undergraduate degree in psychology from Gettysburg College, master’s degree in counseling psychology from Chatham University and post-master’s certificate in applied behavior analysis from Johns Hopkins University. Robin has over five years of experience providing behavior health services to both children and adults diagnosed with developmental disorders, autism spectrum disorder (ASD) and/or emotional disorders including oppositional defiant disorder (ODD). She has worked in the home, community, and school settings providing assessments, family consultation, ABA programing and implementation, and staff training and supervision. Robin also has experience with the IEP process. Due to the variety in both her experience and training, Robin understands the importance of a multi-perspective approach and is excited to be working alongside a diverse group of talented individuals at the Children’s Spot. 

Holly Bennett, MS, BCBA

Holly has been working with individuals with autism since 1997 when she started in a Lovaas early intervention program.  She then worked at Kennedy Krieger Institute in the LEAP program for children with autism and the Neurobehavior Unit (NBU).  While on the NBU she conducted functional analyses of problem behavior, preference and stimulus avoidance assessments,  functional communication training, and data collection and analysis.  She is trained in both Basic and Advanced PECS communication training through the Pyramid program.  She received her masters degree in autism and applied behavior analysis from Sage University in May 2011, and became board certified in applied behavior analysis in September 2012. Her areas of interest are reduction of maladaptive behaviors, verbal behavior, performance feedback and treatment integrity. 

Rebecca Ferrer, NCC, BCBA

Rebecca graduated from the University of Maryland with her Bachelor's in Psychology and Human Development in May 2010, and then again in May of 2014  with her Master's in Education in School Counseling (Terp for life!). While working with students to improve their behavior in the DC school system as a school counselor, she became interested in the field of applied behavior analysis. Rebecca graduated from John's Hopkins University in May of 2017 with a post-Master's certificate in ABA and has loved every minute of this amazing field. She is so excited to be a part of the amazing SPOT team! 

Saaraa Farooq, BA, RBT

Saaraa holds Bachelor's degrees in Psychology and Biology and is currently pursuing her Master's of Science in Psychology with a specialization in Applied Behavior Analysis (ABA). She has experience working with children, adolescents, young adults and has worked in a daycare setting in the past. She has been working with individuals with autism since 2015, she began doing so at the Hussman Institute for Autism as an autism support intern providing one-on-one support to minimally verbal and nonverbal children and young adults with autism and aiding with research projects. She is currently pursuing her BCBA certification while working as an RBT and has been with the Children's SPOT since January 2017. She is enjoys working with her clients with a naturalistic approach. She is passionate about working with her clients on their level and adjusting her therapy methods according to their needs.

Lisa Booth, RBT

Lisa has been a Registered Behavior Technician since 2017. She has been working in the field of education for more than 15 years, from Elementary school to college level. Lisa is also trained in Orton Gillingham and has experience with tutoring students diagnosed with learning disabilities. She is enjoying her studies in Applied Behavior Analysis and is working towards her BCBA.