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 began her career with The Arc of Loudoun as an ABA Instructor for The Aurora School. She also co-manages and instructs on Cannon’s Connections, the social skills curriculum with the Arc of Loudoun.  Tetiana truly enjoys working with children of all ages, and her enthusiasm for her work is widely known on our campus. 


Contact us:

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