Advanced Behavioral Solutions
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Clinical Staff 

Judy Tisdall, Psy.D., LCPC earned both her Masters and Doctoral Degrees from the Adler School of Professional Psychology in Chicago, Illinois, and holds certificates in both cognitive-behavioral therapy and marriage/family therapy.  Dr. Tisdall is Owner of Advanced Behavioral Solutions, Director of Clinical Training, and a Licensed Clinical Professional Counselor.  She earned a Bachelors Degree from the University of California at Berkeley in California, where she also worked for seven years in management consulting. She received her clinical training at the Childhood Trauma Treatment Program, Columbia RiverEdge Hospital, Seguin Services, Christ Hospital and Medical Center, Advocate Healthcare Family Care Network, PediatriCare, and Diagnostic Services.  Additionally, Dr. Tisdall worked as a counselor at Moraine Valley Community College in Palos Hills, Illinois, providing a wide range of counseling services to college students and the community, as well as worked as an adjunct professor in the psychology department.  Dr. Tisdall works extensively with couples, families, children, adolescents, and adults, and specializes in treating individuals with mood disorders (e.g., Depression and Bipolar Disorder), anxiety disorders (e.g., Obsessive Compulsive Disorder, Panic Disorder, phobias, social anxiety, and Generalized Anxiety Disorder), and individuals with Attention Deficit Hyperactivity Disorder, addictions, Asperger's Disorder, and severe behavioral disorders. Dr. Tisdall also administers psychological testing/assessments, ADHD evaluations, and career/vocational assessments.


Melissa Kay, Psy.D. earned both her Masters and Doctoral Degrees from the Adler School of Professional Psychology in Chicago, Illinois.  Dr. Kay is Owner of Advanced Behavioral Solutions, Director of Clinical Supervision, and a Licensed Clinical Psychologist.  She earned her Bachelors Degree in Psychology from Indiana University in Bloomington, Indiana.  Dr. Kay received her clinical training at the Childhood Trauma Treatment Program, Christ Hospital and Medical Center, Advocate Healthcare Family Care Network, University Hospital and Medical Center, Psychodiagnostics, and the Anxiety Treatment Center.  She works extensively with children, adolescents, adults, families, and couples, and specializes in treating individuals with anxiety disorders (e.g., Obsessive Compulsive Disorder, phobias, social anxiety, Panic Disorder, Generalized Anxiety Disorder, Pareuresis, and Separation Anxiety), mood disorders (e.g., Depression and Bipolar Disorder), and individuals with Attention Deficit Hyperactivity Disorders, Trichotillomania, Autism Spectrum Disorders, and eating disorders.




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David N. Hunt, Psy.D. earned both his Doctoral and Masters Degrees from The Chicago School of Professional Psychology in Chicago, Illinois. Dr. Hunt earned a Bachelors Degree in Psychology from Saint Louis University in Saint Louis, Missouri and an Associate’s Degree from Holy Cross College in Notre Dame, Indiana. He completed his clinical training at Shapiro Developmental Center in Kankakee, Illinois (State hospital for individuals with severe Developmental Disability in Illinois), Saint Dorothy’s Roman Catholic School in Chicago, IL, and DePaul University’s University Counseling Services in Chicago, Illinois. He completed his doctoral internship at Pillars Community Services in Berwyn, Illinois and his postdoctoral fellowship in Neuropsychology at a private practice in the northwest suburbs of Chicago. Additionally, Dr. Hunt has worked in a pediatric partial hospitalization program, as a domestic violence advocate, and in an emergency department. Dr. Hunt has spoken nationally on a range of topics including Learning Disabilities, Autism, Depression, and Bipolar Disorder. Dr. Hunt works extensively with children, adolescents, families, and adults. He specializes in treating individuals with mood disorders, anxiety disorders, as well as individuals with Attention Deficit Hyperactivity Disorder, Executive Functioning Deficits, Addictions, Learning Disabilities, Autism Spectrum Disorders, and severe behavioral disorders. Dr. Hunt also administers psychological evaluations and is passionate about school advocacy. 


Joey Williams, M.S., Post Doctoral Candidate at Advanced Behavioral Solutions, is dually trained in both School and Clinical Psychology, and trained in Applied Behavior Analysis (ABA), the foremost behavioral treatment for Autism Spectrum Disorders.  She specializes in providing psychotherapy and psychological testing to children, adolescents, and adults.  Joey is educated in Life Space Crisis Intervention (LSCI), an advanced crisis method that provides her with additional specialization in dealing with behavioral disorders and crisis response intervention.  She earned her Master's Degree and her Bachelor's Degree from Oklahoma State, and has completed her Doctoral Degree albeit her dissertation.