OUR TALENTED TEAM

Christina Rizzo Tatreau, MFA, BCBA, LABA
Owner/CEO
Program Director of the Tate Learning Center
Christina founded Tate Behavioral in 2013 with the goal of bringing high-quality in-home and school-based ABA services to Western MA. After supporting individuals of all ages and abilities for over 16 years, Christina currently oversees the day-to-day operations of Tate Behavioral and is the Program Director for the Tate Learning Center. Christina holds a BA from Clark University, an MFA from Bennington College, and completed her coursework in Applied Behavior Analysis at Florida Institute of Technology. A former writer, her clinical passions are Applied Verbal Behavior, social skills instruction, and schedules of reinforcement. She enjoys running, cooking, gardening, and spending time with her family. Christina received a spot on the Forbes NEXT1000 2021 list, a designation honoring small business entrepreneurs redefining the American dream.

Erica Nason, M.A., BCBA, LABA
Clinical Director of Vocational Programming
Erica earned a B.A. in Psychology and a M.A. in Applied Behavior Analysis from Westfield State University. She then became a Board Certified Behavior Analyst and received her License in Applied Behavior Analysis. Since 2010 she has worked with clients with Autism, social/emotional disorders, or other developmental disabilities, that display challenging behavior in the school and home setting. She has worked training families and after school program staff on implementing programs and procedures in applied behavior analysis. Additionally she has participated in and run social skills groups within schools and after school programs. Her passion includes bridging the gap between school-aged children and adults to ensure clients are able to reach their full adult independent potential. She is currently working on developing Vocational Skills and Adult Life Skills programming for Tate Behavioral.
Beyond Erica’s passion for ABA, Erica cares deeply about social and environmental justice. She loves music, dance, and comedy.

Abby Wellspeak, M.A., BCBA, LABA
Clinical Director of In Home ABA
Abby Wellspeak is the Director of the Tate At Home division of Tate Behavioral. With more than 10 years of experience in the field of ABA, she is our resident expert on all things insurance-related, including writing treatment plans and working to secure funding for home programs. She also works in homes training parents and supervising future BCBAs.
Abby has been providing ABA services to families and individuals with disabilities in homes, residential settings, and public and private schools throughout Western Massachusetts since 2008. Abby graduated with a Master’s in Applied Behavior Analysis from Westfield State University in 2013 and has been a Board Certified Behavior Analyst and Licensed Behavior Analyst since 2014.
One of her passions is working directly with families to help integrate her clients into their community, through doctor's appointments, dance classes, and family vacations. Outside of the office, Abby is most likely to be found spending time with her son “PJ”, sipping on iced coffee, or conquering any board game challenge.

John Lempart
Director of Special Education
Tate Learning Center

Tony Watt, BCBA, LABA
Director of Clinical Training
Tate Learning Center

Emily Croteau, MS, BCBA, LABA
Senior BCBA Supervisor

Andrew Steplar, MA, BCBA
BCBA Consultant
Tate Learning Center

Callye Murphy-Mancini
BCBA Supervisor
Tate Learning Center

Chelsea Mascari, BCBA
BCBA Consultant

Nerissa Hall, PhD. CCC-SLP
Co-Director of Speech Language and Literacy

Hillary Jellison, MS, CCC-SLP
Co-Director of Speech Language and Literacy

Sarah Laushance
Co-Coordinator Tate Community Programming

Zack Mullane
Co-Coordinator Tate Community Programming

Marissa Yeager, RBT
Special Education Teacher
Tate Learning Center

Maya Close-Barber
Special Education Teacher
Tate Learning Center

Melanie Blood
Special Education Teacher
Tate Learning Center

Emily Donoghue, MA, CCC-SLP
Speech Language Pathologist

Julia Serra
Speech Language Clinical Fellow

Michele Yeager
Human Resources Specialist

Tiara Warren
Office Manager
Tate Learning Center

Jose Espada
Building Manager

Sara Harvey, PT
Physical Therapist
Tate Learning Center

Diane Cashman
Clinical Resident

Sydney Boden
Clinical Resident

Paige Dickinson
Clinical Resident

Brittany Sourdiffe
Clinical Resident

Amanda Wyckoff
Lead Learning Coach

Anthony Rizzo
Learning Coach

Marc Ruffin
Learning Coach

Alexis Farrington
Learning Coach

Anna Bilotti
Learning Coach

Michael Housey
Learning Coach

Thomas Anderson
Learning Coach

Brionna Givens
Learning Coach

Christine Gould
Occupational Therapy Assistant
Learning Coach
Tate Learning Center

Kelly Pytel
Learning Coach

Beth Stebbins
Learning Coach

Nicole Aponte
Learning Coach

Debbie MacDonald
Learning Coach

Krysa Boyce
Learning Coach

Caitlin Odell
Learning Coach

Donny Truong, RBT
Learning Coach

Hannah Lis, RBT
Learning Coach

Molly O'Donnell
Learning Coach

Akeyla Brown
Learning Coach

Shania Hernandez
Learning Coach
