Our Team

Kendra McDonald, MA, BCBA 
Director of Clinical Services


Kendra began her career in behavior analysis after her son was diagnosed with autism in 2002. Following the successful implementation of his home program, she worked as an in-home ABA therapist for other families affected with autism. Ms. McDonald completed her behavior analysis coursework at UMASS Lowell and has a master’s degree in Psychology from The Chicago School of Professional Psychology. She earned her BCBA in June 2014. Ms. McDonald emphasizes the principles and teaching procedures of verbal behavior modalities across all teaching opportunities including communication, social skills, and academics.


Tammy GTammy Goddard, Administrative Program Manager


Tammy received her undergraduate degree from George Mason University in Psychology and has taken several post graduate classes for School Counseling. She was a peer counselor at GMU, and active in the Big Brother, Big Sister program for seven years through the Fairfax DFS, and still loves working with the community, especially in the areas of giving back. Tammy started working at The Arc of Loudoun in 2011. She started in The Aurora School and then transitioned to ALLY.  At ALLY she worked with our self-advocates, and provided support to various programs. Tammy transitioned to The Arc of Loudoun staff in early 2013, as the lead in volunteer coordination, event planning and overseeing the staff of self-advocates. She returned to ALLY as the Program Director in 2014, she still manages the volunteer program which now has several hundred volunteers from the community; she also plans and manages all of the events and programs! Tammy lives in Leesburg with her husband and two children.


Brittney Douress, M.Ed, BCBA, Program Director


Brittany Douress has a B.S. in Community Health with a minor in Psychology from George Mason University. She graduated with her Master’s Degree in Education and Applied Behavior Analysis from Arizona State University in May 2018. Brittney is a Board Certified Behavior Analyst (BCBA) with many years of experience. Brittney has previously provided ABA services in-home, at The Aurora School, and now at Aurora Behavior Clinic (ABC). She loves utilizing ABA principles to help clients on the autism spectrum improve on their verbal behavior, social skills, and behavior challenges. She is eager to meet all of the ABC clients and can’t wait to begin implementing programs with them!



Tetiana Gundyr-Butler, ABA Instructor


Tetiana is originally from Ukraine and has been in the states working as a childcare provider since 2009. She has been working at The Arc of Loudoun since March 2015 as an ABA Instructor. Tetiana is currently working at the Aurora Behavior Clinic.  She is responsible for implementing behavior plans, collecting data and overseeing her students’ day to day programs.  In addition to her duties as an ABA Instructor, Tetiana helps run Cannon’s Connection, a social skills program designed to improve social interaction.  She is passionate about  furthering her knowledge and understanding of ABA and is currently taking advanced training courses.  Tetiana is committed to helping her students reach their full potential.


Sandra Gladney, ABA Instructor


Sandra began working at the Aurora School 2 years ago, and brought with her 12 years of experience working with children with behavioral challenges and intellectual disabilities.  Currently, Sandra holds the position of ABA Instructor at The Aurora School.  As an ABA instructor she expertly implements behavior plans, collects data and is responsible for her students’ day to day programs.  In addition to her position at the Aurora School, Sandra works at the Aurora Behavior Clinic, where she continues delivering ABA services to children.  Sandra strives to keep current in the field of  ABA and is actively furthering her education in Applied Behavior Analysis. Sandra is passionate about helping children and loves to see the progress they make.


Faith Hendon, ABA Instructor


Faith obtained her BS/Psychology with a minor in Sociology from ODU in 2016, and is completing her MS/ABA through Sage Colleges in May 2019.  She became a certified RBT early in 2018 as she transitioned from an extensive IT career into the ABA field as a behavior therapist for in-home clients.  Faith has worked with many individuals on the autism spectrum throughout her IT career in a managerial and training capacity.  Currently, she is an ABA instructor at The Aurora School and the Aurora Behavior Clinic.  Faith has an eclectic background in music, arts, technology, and sciences, and uses these strengths and talents to find unique ways to connect with the individuals she works with daily.  She believes passionately that each individual has their own unique world waiting to be unlocked, and is excited to be a part of helping each student reach and exceed their potential.  


Ashley York, ABA Instructor


Ashley York joins us an ABA Instructor at The Aurora Behavior Clinic and Open Door Learning Center.  Ashley has worked with children with special needs for over 14 years in different capacities through volunteer work, substituting in public school,  and has a special relationship with her nephew with autism.  Ashley enjoys seeing the progress kids make using ABA and related therapies, and is currently pursuing her RBT credentials.



Contact us:

Tammy Goddard
Administrative Program Manager for the Aurora Behavior Clinic
703-777-1939 ext. 207