
Dr. Janet Hansen, PhD, BCBA-D
Licensed Clinical Psychologist
Certified Ohio Behavior Analyst (COBA)
Dr. Hansen received her Bachelor’s degree in psychology from Cornell University. She received her Masters in Education and PhD in Clinical and School Psychology, with a specialty in families with infants and children with special needs, from The University Of Virginia. She completed her clinical psychology internship at Columbus Children’s Hospital. Dr. Hansen has worked in a variety of pediatric settings including inpatient medical and psychiatric, community mental health and rehabilitation center, and has been working in the current private practice setting specializing in autism spectrum and related disorders since 2002. Additionally, Dr. Hansen provides diagnosis and intervention for children with ADHD, learning disabilities, anxiety and mood disorders, and behavior disorders.
Ms. Duffy graduated from The Ohio State University’s Masters program in ABA in 2014 and earned her Board Certified Behavior Analyst in 2016. Ms. Duffy has been working with children with autism and related developmental disabilities since 2005. She joined our team in 2014. In 2019 she returned with an additional role of RBT Coordinator.


Megan Henning, MS
BCBA, COBA
Ms. Henning received her Masters of Science in Behavior Analysis and Therapy from Southern Illinois University in August 2013. She became a Board Certified Behavior Analyst in May 2014 and a Certified Ohio Behavior Analyst in June 2015. She joined Dr. Hansen’s office in March 2017.
Stacy Martin, MA
BCBA, COBA
Ms. Martin received her Bachelors in Psychology from Bloomsburg University and her Masters of Arts in Psychology from The University of North Carolina, Wilmington. Ms. Martin has been working with children with autism and related developmental disabilities since 2002 and has been a Board Certified Behavior Analyst since 2007. She has experience working in both home and school environments with children of various ages and skill levels. She joined Dr. Hansen’s office in April 2011.


Lisa Murray, MEd
BCBA
Ms. Murray received her Masters in Special Education in 2007 from George Mason University. She became a Board Certified Behavior Analyst in 2021. Ms. Murray has experience working with children with autism spectrum disorders in both school and home-based settings. She joined Dr. Hansen’s office in June 2012.
Sarah Hill, MS
BCBA, COBA
Ms. Hill received her Masters of Science in Applied Behavior Analysis and Autism from The Sage Colleges in 2015 and a Bachelor of Science in Psychology from Trine University in 2013. Her experience with children with autism includes 1:1 and group environments with training from Nationwide Children’s Hospital in home and school settings, as well as clinical experience through a pediatric center-based program in Indiana. She has worked in the field since 2013. Ms. Hill became a Board Certified Behavior Analyst in 2015 and a Certified Ohio Behavior Analyst in 2016. She joined Dr. Hansen’s office in 2016.


Ms. Zerrillo-Greco received her Bachelors in Special Education from The Ohio State University in 1999 and her Masters in Special Education from Bowling Green State University in 2002. She earned her Board Certified Behavior Analyst in 2019. Ms. Zerrillo-Greco has been working with children with autism and related developmental disabilities since 1995. She has been with this office since 2003. Ms. Zerrillo-Greco started working in the field of ABA as a home-based instructor in 1998 and has since worked in home and school settings. She has additional experience working with children with ADHD, ODD, LD, bipolar and attachment disorders. Ms. Zerrillo-Greco currently conducts our Preschool & Kindergarten Social Skills Groups and our School-age Social Skills Groups, under the supervision of Dr. Hansen.
Ms. Markward is a nationally certified school psychologist. She graduated from The University of Dayton and has academic and training background in school psychology, ages 2-21. She works part time in a local school district and through this office performs psychoeducational evaluations.


Katy Hunt, MA
BCBA, COBA
Ms. Hunt received her Master of Art degree in Clinical Psychology with a concentration in Applied Behavior Analysis from the University of North Carolina Wilmington in December 2019. She received training from a NC based pediatric behavioral health clinic in their severe behavior and early intervention programs. She became a Board Certified Behavior Analyst in July 2020 and a Certified Ohio Behavior Analyst in October 2020. She has been working with children with autism and related developmental disabilities since 2015. She joined Dr. Hansen’s office in December 2020.
Also In Our Building

Dr. Watts is a licensed psychologist and Board Certified Behavior Analyst with an independent private practice at this location.
Please see her website for more information: www.kariwattspsychologist.com

Dr. Boland is a licensed psychologist and a national certified school psychologist who has an independent private practice at this location.
Please see her website for more information: www.amybolandphd.com