Derek Mihalcin, PhD, BCBA-D, COBA

Clinical Director

Clinical Psychologist

Board Certified Behavior Analyst - Doctoral

Certified Ohio Behavior Analyst

​Pennsylvania Licensed Behavior Specialist

​Dr. Mihalcin has been working in the mental health field for over 20 years.  He has worked with many families, schools, and businesses in successfully improving behaviors of children, adolescents, and adults using evidence-based treatment strategies.  He has extensive experience working with clients with a wide range of diagnoses, including Autism Spectrum Disorder.  He also has many years of experience as an Accreditation Manager involved in maintaining compliance with the Joint Commission regulatory standards.  Finally, Dr. Mihalcin has experience as a graduate professor and a national presenter in Applied Behavior Analysis.

Heaton Square

1704 North Road, SE

Warren, OH 44484

(330) 856-4111

Fax: (330) 856-5839

Marilyn Burton

Office Manager

Oakwood Counseling Center, Inc.

Courtni Burton

Administrative Assistant/Billing/Intake Coordinator

Jill Thompson, MSEd., LPCC

Licensed Professional Clinical Counselor

Jill has been working in the mental health field for over 20 years specializing in children and adolescents, adults, and family issues.  She is also an adjunct teacher at Youngstown State University and a presenter at Mahoning County Divorced Parents Workshops.

Albert M. Pondillo, Ph.D.


Clinical Psychologist

Dr. Pondillo is a licensed psychologist in Ohio and Pennsylvania.  He has over 30 years of experience in mental health, which includes specialized assessment and treatment for individuals with developmental disabilities.  In addition to his work at Oakwood Counseling Center, Inc., Dr. Pondillo has been an adjunct professor of Psychology at Youngstown State University for nearly 30 years.

JoAnne Carwithen, MSEd, LPCC, LSW

Licensed Professional Clinical Counselor

​Licensed Social Worker

Barbara Yonnotti, MSEd, BCBA, LPC
Licensed Professional Counselor
Board Certified Behavior Analyst

Barb has been working in the mental health field for more than 20 years.  She has worked closely with clients, families, school personnel, and other professionals to provide compassionate care.

Edward White, MSEd, LPC
Licensed Professional Counselor

Eddie White a graduate of Youngstown State University.  In 2016, he received my BA in psychology and in 2018  received his M.S. Ed. in Clinical Counseling. His passion is to provide holistic therapy for couples and families. His concern for our community’s current opiate crisis has caused him to shift his focus also to drug and alcohol
counseling. He is currently facilitating an IOP in Warren, Oh while continuing to work with individuals struggling with mental health related issues. His specialties include Christian counseling, couples counseling, and substance abuse counseling. Eddy chose to enter the mental health field due to his own personal experiences which have allowed him to view those suffering from anxiety, depression, etc. with empathy and compassion. What he loves most about his
profession is seeing individuals go from living life to loving life and achieving their full potential.

Jennifer Arbogast-McClellan, MSEd, LPCC, CCJSOTS, CATP
Licensed Professional Clinical Counselor
Certified Clinical Juvenile Sex Offender Treatment Specialist

Certified Child and Adolescent Trauma Professional

​Certified Clinical Trauma Professional
Jennifer has had more than 20 years experience counseling children, adolescents, adults, seniors and couples. She has worked with schools, drug court, most counties in the state of Ohio, probation offices and veteran’s services.