Our Team

Mark Rapaport
Managing Director of Autism Services
New to The Children’s Guild in 2021, Mark brings the expertise and vast experience that is essential in leading the programs that will span the life cycle of children with Autism and their families. This leadership role includes the implementation of the new Non-Public Special Education Facility at our corporate office on McClean Blvd., The Children’s Guild: Transformation Academy
Mark brings with him decades of experience in public and Non-Public schools throughout the state of Maryland, in a myriad of school based and organizational leadership roles. He has also presented at national and international conferences on Autism and educational leadership as well as taught courses at multiple colleges and universities in the area, including Coppin State University, York College of Pennsylvania, Towson University and Loyola University.
Mark is a graduate of The Johns Hopkins University and holds a Maryland State Department of Education Advance Professional Certificate with multiple endorsements. Most recently, Mr. Rapaport was Principal at The Arrow Center for Education Tangram, a program for students with Autism Spectrum Disorder. His passion for and experience with children with Autism and their families, will help us develop exemplar programs and services for children and youth on the Autism Spectrum.

Sarah Weitzel
Director
Sarah comes to the Children’s Guild with more than 15 years of experience working with students as a speech-language pathologist. Since moving to the Baltimore region in 2010, Sarah has shared her expertise in nonpublic schools including The Kennedy Krieger Institute-Greenspring Campus and The Arrow Center for Education-Tangram School, where she took on a leadership role as Clinical Supervisor. During this time she gained knowledge and experience in supervision, leadership, budgeting, and educational and behavioral programming.

Sam Flynn
Behavior Specialist
In 2012, Sam graduated from Frostburg State University where he received his Bachelors degree in Psychology and received his first job working at Sheppard Pratt Health System on the Child and Adolescent Neuropsychiatry Unit. It was here that he found his true passion by directly working with individuals from the ages of 5-18 who were diagnosed with Autism Spectrum Disorder, with psychiatric comorbidities, and often accompanied by intellectual disability. Sam was introduced to applied behavior analysis, worked under a board-certified behavior analyst (BCBA), and obtained his registered behavior technician (RBT) credential. He worked with psychiatrists and assisted families with behavioral strategies upon discharge from the hospital. In 2017, Sam began as a behavior specialist at Arrow Child and Family Ministries where he also received his Masters degree in Psychology with a specialization in applied behavior analysis. Sam’s goal is to further assist families and students through the use of applied behavior analysis in the community setting and beyond!

Theresa Donahue
IEP Coordinator
Since graduating college, Theresa has worked with individuals with developmental disabilities in a variety of settings, including in-home, school-based, and community-based placements. For the past 6 years, Theresa has worked specifically with individuals with Autism Spectrum Disorder, or other related disorders, to acquire new skills with as much independence as possible. Theresa is passionate about working with neurodiverse individuals by creating engaging instruction and NET learning experiences that is meaningful to their everyday lives. When not working, Theresa can be found hiking with her dog, Lucy, cooking, or reading a book on the beach.

Jacqueline Aragon
Program Assistant
After Jacqueline earned her Bachelor of Science in Psychology with a minor in Anthropology from The University of Hawaii-West Oahu, she began educating gifted children from the ages of 3-18. That first job cultivated her passion for working with children and wanting to help them grow and prosper into young adults. Since then, she has had 5 years of working with children with special needs. In addition to her primary job functions, Jacqueline was recognized by the Children’s Guild for her commitment to helping and supporting families with children who have special needs.