All Team Members

Renee Hartz, MA, MAT, BCBA, LABA

Renee Hartz, MA, MAT, BCBA, LABA

Senior Director - Merrimack Valley

Renee Hartz In 2009, I crossed paths with an ABA program in NJ, fell in love with the service, the science, and the people, and never looked back. I’ve worked in a private school, public school, in-home, center-based, and behavior…

Chelsea Gamache, M.S., BCBA, LABA

Chelsea Gamache, M.S., BCBA, LABA Hi, I’m Chelsea! I have been working in the field of Applied Behavior Analysis for over 5 years. I received my Master’s degree in ABA from Simmons University.  In addition to my work as a…

Jill Mengel, BCBA, PhD, LABA

Jill Mengel, BCBA, PhD, LABA Jill has over 20 years of experience working with children and adults on the Autism spectrum.  She received her Master’s degree from Northeastern University and acquired her BCBA in 2007.  She has worked in clinics,…

Nicole Buono M.S., BCBA LABA

Nicole Buono Hi, I’m Nicole. I am a BCBA and have been working in the field of Applied Behavior Analysis for 8 years. I received my Masters from Southern New Hampshire with a Certificate from UMASS Lowell. I am a…

Alyssa Duncan, M.Ed., BCBA, LABA

Alyssa Duncan, M.Ed., BCBA, LABA My name is Alyssa I’m a BCBA and have been in the field for 7 years. I started right out of undergraduate school and was at the New England Center for Children for several years…

Angela Guaraldi, M.S., BCBA, LABA

Angela Guaraldi, M.S., BCBA, LABA My name is Angela and I’ve been in the field for over just over 10 years. I graduated with my Master’s in Applied Behavior Analysis from Simmons University in 2019. Prior to joining Wonder, I…

Deedra (Dee) Viscount

Deedra (Dee) Viscount

Insurance Specialist/Quality Assurance

Dee Viscount Dee comes to Wonder with 10 years of medical administration experience working in reception, accounts payable, scheduling, transcription and medical records.  She has four grown children and two granddaughters. She moved to Massachusetts from North Carolina in 2019…

Yasmin Messaggi

Yasmin Messaggi

Recruiter and Onboarding Manager

Yasmin Messaggi Hi, I’m Yasmin! I come to Wonder with over five years of recruitment experience along with a passion for developing relationships and recruiting top talent.