Our Senior Clinical Staff

Buonomo-MichaelMichael Buonomo

Licensed Psychologist
BHRS Supervisor


Michael joined the Institute at its inception and has provided close supervision to staff, conducted psychodiagnostic evaluations, and has been working to help children with developmental difficulties, including autism, for more than twenty years.

Parker-SteveStephen Parker

Licensed Psychologist
BHRS Supervisor


Stephen is a graduate of the University of Florida and provides diagnostic psychological evaluations for the Institute. He is experienced in school psychology issues and also provides Family Therapy and specializes in the treatment of depression and anxiety in his private practice in southern Chester County.

Kossor-SteveSteve Kossor

Founder & Executive Director of the Institute for Behavior Change
Founder & Director of the Network for Behavior Change
Founder & Clinical Director of the Children’s Behavioral Health Center
Founder & Director of www.OurCaseManager.pro
Licensed Psychologist, Certified School Psychologist
EPSDT-BHRS Supervisor


Masters degree in clinical psychology from Fairleigh Dickinson University (NJ) in 1977. Licensed Psychologist in 1981. Certified School Psychologist in 1984.

Ennis-StephanieStephanie Ennis

Licensed Behavior Specialist Consultant
Mobile Therapist


“I received a Masters in Community Counseling in 2004 and a Masters in Elementary School Counseling, both from Villanova, and completed all of the BCBA coursework at Penn State University.  I enjoy working with children diagnosed with Autism Spectrum Disorders and collaborating with schools and caregivers to assist the child in making behavioral changes.”

Brown, Elena

Elena Brown

Behavior Specialist Consultant
Mobile Therapist


“I love developmental and social psychology.  At Villanova, my Master’s Thesis examined bilingual word learning among preschool aged children.  I am motivated to further my interest in psychology research, and my career aspiration is to work on a developmental research study.  I have a passion for autism awareness and would love to work further in that area.”

Meikrantz, MeghanMeghan Meikrantz

Behavior Specialist Consultant
Mobile Therapist 


“I received my Masters degree in Clinical Psychology from West Chester University in 2014.  I have published research in the field of community prevention programs and the prevention of eating disorders.  My areas of greatest interest include helping at-risk youth and prevention programs.

Dukes, BriannaBrianna Dukes

Behavior Specialist Consultant
Mobile Therapist


“I received my MA in Counseling from Rosemont College and enjoy working with at-risk youth and children with Autism Spectrum Disorder diagnoses.  Throughout my time at IBC I have had the pleasure of working with many different families, which motivates and encourages me to do my best in facilitating positive change.”

Ben WhiteBen White

Behavior Specialist Consultant
Mobile Therapist


“I have a strong passion to make a difference in advocating and implementing policy in the mental health field and in the realm of Autism especially.  I have worked in many capacities in the field of education in Philadelphia, Boston and Minneapolis.” 

Amanda Winter

Behavior Specialist Consultant
Mobile Therapist
Research Analyst


“I graduated from Temple University in January 2014 with a Masters in Educational Psychology, focusing on research in urban populations and education.  I am very passionate and invested in helping children and their families become independent and to reach their potential through a “whole child approach” and am particularly interested in research concerning anxiety disorders in adolescence.”

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