Our Leaders

TasseMark

Marc J. Tassé, PhD

Director, Nisonger Center

Marc J. Tassé, PhD, director of the Nisonger Center, conducts administrative duties, performs research and teaches. His research focuses on intellectual disabilities and autism spectrum disorder, and includes an intervention program called Shakespeare and Autism. He has helped develop the diagnostic adaptive behavior scale published by the American Association of Intellectual Developmental Disabilities.

 

View My Bio

WitwerAndrea

Andrea Witwer, PhD

Director, Autism and Developmental Disability Clinic

As director of the Autism and Developmental Disability Clinic at the Nisonger Center, Andrea Witwer, PhD, provides diagnostic and behavioral consultation to children and young adults who have a range of developmental disabilities. Her research focuses on how the community can better identify and treat children who have an autism spectrum disorder.

 

View My Bio

ArnoldEugene

L. Eugene Arnold, MD, MEd

Professor Emeritus, Department of Psychiatry

L. Eugene Arnold, MD, MEd, is a child, adolescent and adult psychiatrist. In the Nisonger Neurodevelopmental Psychiatry program, he treats people with developmental disabilities. He specializes in investigating new treatments for attention deficit hyperactivity disorder and autism. He is currently studying neurofeedback treatment of ADHD and essential oils for children with autism.

 

View My Bio

LecavalierLuc

Luc Lecavalier, PhD

Director, Nisonger Center Child Behavior Support Services

Luc Lecavalier, PhD, serves as the program director of the Nisonger Center Child Behavior Support Services treatment unit, which implements behavior plans for children with developmental disabilities or behavior and emotional problems. He has mentored numerous doctoral candidates and welcomes admitting passionate and hard-working graduate students.

 

View My Bio

Margaretha Izzo, PhD

Program Manager, Special Education and Transition

Margaretha Izzo, PhD, serves as program manager of the Special Education and Transition area at the Nisonger Center. Dr. Izzo develops programs to assist high school and college-age students with disabilities find the passion and developmental skills they need to enter careers that are a match for them so that they can become productive members of their community. Providing programs at Ohio State allows Dr. Izzo to help these young adults continue on their path of lifelong learning.

 

View My Bio

Paula Rabidoux, PhD/CCC - SLP

Associate Director, Nisonger Center; Co-Director, Leadership Education in Neurodevelopmental Disabilities (LEND); Program Manager, Toy and Technology Library

Paula Rabidoux, PhD, is an associate director of the Nisonger Center, co-director of the Leadership Education in Neurodevelopmental Disabilities (LEND) program and program manager of the Toy and Technology Library. She is a speech-language pathologist interested in social language and social communication in children and adults with neurodevelopmental disabilities. She is interested in how parents and children interact to develop social language skills, as well as how young school-age children develop social language and literacy skills.

 

View My Bio

HavercampSusan

Susan Havercamp, Ph.D.

Associate Professor, Psychiatry and Psychology

Susan Havercamp, associate professor of Psychiatry and Psychology, is the director of healthcare promotion and healthcare parity at the Nisonger Center. Havercamp says investigators have found that people with disabilities, compared to those without, have poorer health and a harder time accessing care, so many of her programs work to close this gap.


View My Bio

Our Doctors

Our Researchers

ArnoldEugene

L. Eugene Arnold, MD, MEd

Professor Emeritus, Department of Psychiatry

L. Eugene Arnold, MD, MEd, is a professor emeritus in the Department of Psychiatry. He received his MD from The Ohio State University College of Medicine and his MEd from John Hopkins. He completed a psychiatry residency and a child psychiatry residency at John Hopkins University. His research focuses on the scientific study of nutritional support for mental health. He is studying a cohort of children ages 6-12 at baseline who have elevated symptoms of mania by a screening instrument, and through comprehensive semi-annual assessments he is tracing the development of bipolar disorder.

 

View Full Bio

HavercampSusan

Susan Havercamp, PhD

Associate Professor of Psychiatry and Psychology

Susan Havercamp, PhD, is an associate professor of Psychiatry and Psychology. She received her MA and PhD from The Ohio State University. Dr. Havercamp's research focuses on health promotion and improving access to and the quality of healthcare for children and adults with disabilities.

 

View Full Bio

Margaretha Izzo, PhD

Associate Director, Nisonger Center

Margaretha Izzo, PhD, is the program director for Special Education and Transition Services. She received her PhD from The Ohio State University and her MA from George Washington University. She then completed the Mary E. Switzer Fellowship through the National Institute on Disability and Rehabilitation Research. Dr. Izzo's research goals include improving the academic outcomes of students with disabilities at both the secondary and postsecondary levels.

View Full Bio

LecavalierLuc

Luc Lecavalier, PhD

Professor, Departments of Psychology and Psychiatry

Luc Lecavalier, PhD, is a professor in the departments of Psychology and Psychiatry. He received his PhD from the Université du Québec à Montréal and completed his postdoctoral fellowship in psychology at the University of North Carolina at Chapel Hill, Center for Development and Learning. Dr. Lecavalier's research goals include validating outcome measures for anxiety and behavioral inflexibility in children and adolescents with autism spectrum disorder.

View Full Bio

Paula Rabidoux, PhD

Associate Director, LEND; Co-Director, Speech and Language Pathologist

Paula Rabidoux, PhD, is the associate director of the Leadership Education in Neurodevelopment Disabilities (LEND) program. She received her PhD from The Ohio State University. Her research interests include how parents and children interact to develop social language skills, as well as how young school-age children develop their social language and literacy skills.

View Full Bio

TasseMark

Marc J. Tassé, PhD

Professor, Department of Psychology and Psychiatry

Marc J. Tassé, PhD, is a professor in the Department of Psychology and Psychiatry. He received his PhD from the Université du Québec à Montréal and completed his postdoctoral fellowship at The Ohio State University Nisonger Center, University Center for Excellence in Developmental Disabilities. Dr. Tassé's research interests include assessment and psychometrics (item response theory), adaptive behavior, problem behavior and psychiatric disorders, health issues and intervention strategies in ASD and ID.

View Full Bio

WitwerAndrea

Andrea Witwer, PhD

Director of the School-Aged Autism and Developmental Clinic; Director of Training, Nisonger Center

Andrea Witwer, PhD, is an assistant clinical professor in the Department of Psychiatry and an adjunct assistant professor in the Department of Psychology. She received her BS, MA and PhD from The Ohio State University and completed her postdoctoral fellowship at Nationwide Children's Hospital. Dr. Witwer's research interests include identifying children with developmental delays and autism spectrum disorders, and examining how society is meeting the needs of children as they get older.

View Full Bio

Share this Page