Dr. O’Connell-Sussman is a Board Certified and Licensed Behavior Analyst and certified special education teacher based in New York with over a decade of experience supporting children, families, and professionals. She is passionate about helping individuals build meaningful skills and empowering caregivers through evidence-based, compassionate support.

She earned her Ph.D. in Applied Behavior Analysis from Endicott College under the mentorship of Dr. Mary Jane Weiss and currently serves as Thesis Coordinator for the Institute of Applied Behavioral Science (IABS) at Endicott. Her research focuses on early language development within infant–caregiver interactions and has been recognized and published in peer-reviewed journals. Additionally, she researches therapeutic relationship skills and how to build compassionate responding among students and early-career behavior analysts.

Clinically, Dr. O’Connell-Sussman has worked across schools, clinics, homes, and early intervention programs throughout Long Island and New York City. She has specialized training in the assessment and treatment of challenging behavior and extensive experience in family coaching and supervision for developing professionals. Additionally, she has extensive experience and mentorship in working with caregivers and infants.

Her approach is rooted in collaboration, compassion, and individualized care, supporting families in achieving lasting, positive outcomes. As a lifelong learner, Dr. O’Connell-Sussman is currently working towards endorsement as a New York State (NYS) Infant Mental Health Professional and NYS Parent Educator.

Certifications, Licensures, and Experience

Board Certified Behavior Analysts (BCBA)- Doctoral Level

Licensed Behavior Analyst (LBA)- NY

Certified Special Education Teacher- NY

Certified Trainer in Incredible Years-Baby Program

Postpartum Support International Peer Mentor