Staff Members

The clinical psychologists at AICT provide the highest quality cognitive-behavioral treatment for
depression, anxiety, phobias, eating disorders, personality disorders, child and adolescent problems and family and marital problems.
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Dr. Robert L. Leahy
B.A., M.S., Ph.D., Yale University, Director,

Dr. Leahy Completed a Postdoctoral Fellowship in the Department of Psychiatry, University of Pennsylvania Medical School…

Dr. Brianne Dickey

Dr. Brianne Dickey
Ph.D. licensed Psychologist

Brianne Dickey, Ph.D., is a New York State licensed psychologist at the American Institute for Cognitive Therapy…

Nicholas Demas

Dr. Nicholas Demas
Ph.D., Licensed Psychologist

Nicholas Demas, Ph.D., is a New York State licensed psychologist with a broad range of experience in cognitive behavioral therapy…

Allison Funk

Dr. Allison Funk
Ph.D., Postdoctoral Fellow

Allison Funk, Ph.D., is a Postdoctoral Fellow at the American Institute for Cognitive Therapy. She received her Bachelor’s degree…

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Dr. Heather Glubo
Ph.D, Director of Behavioral Medicine, Clinician

Dr. Glubo is a New York State licensed clinical psychologist with extensive experience in cognitive behavioral therapy (CBT)…

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Dr. Melissa Horowitz
PsyD, Director of Clinical Training, Body Image and Eating Disorders 

Dr. Horowitz is a New York State licensed psychologist with extensive experience in cognitive behavior therapy (CBT), dialectical behavior…

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Dr. Aspasia Hotzoglou
Ph.D., Licensed Psychologist

Dr. Hotzoglou is a licensed psychologist at the American Institute for Cognitive Therapy. She is trained in cognitive behavioral therapies…

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Dr. Susan Trachtenberg Paula
Ph.D., Director of Child and Adolescent Program

Dr. Paula is a New York State licensed psychologist with extensive experience in cognitive behavior therapy (CBT), dialectical behavior…

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Dr. Kathleen Mattran Taylor
Ph.D., DBT Program Coordinator, Clinican

Dr. Taylor is a licensed psychologist in New York. Dr Taylor creates a collaborative therapeutic process that is focused on how to …

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Dr. Maren Westphal
Ph.D., Clinician

Dr. Westphal is a licensed psychologist who received her B.A. (Honors) in Social and Political Sciences from the University of…

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Dr. Peggilee Wupperman
Ph.D. (University of North Texas), Clinician

Dr. Wupperman is a New York State licensed psychologist who is currently an associate professor at John Jay College/City University of…

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Helen Butleroff Leahy
RD, CDN

Ms. Leahy offers nutrition counseling specializing in weight management, eating disorders, Type II Diabetes, GERD, IBS and medical…

Jane Kaiser

Jane Kaiser
Research & Editorial Assistant 

Jane Kaiser is a senior at Barnard College at Columbia University. After she completes her Bachelor’s degree in Psychology in May 2022…

Dr. Hesperus di Properzio

Hesperus di Properzio
Clinical Intake Coordinator

Hesperus di Properzio, Clinical Intern, is a senior Psychology major at Barnard College of Columbia University in New York City…

Yuechen Sun

Yuechen Sun
Clinical Intern

Yuechen Sun is a graduating senior at Barnard College majoring in psychology. She plans to pursue graduate…

Celia Ziliak

Celia Ziliak
Clinical Intern

Celia Ziliak is a senior at Barnard College of Columbia University studying Psychology and Women’s, Gender, & Sexuality Studies…

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Dr. Graham Reynolds
Ph.D., Director of Anxiety and Obsessive Compulsive Treatment Program,

Dr. Reynolds is a New York State licensed psychologist with a broad range of experience in cognitive behavioral psychology…

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Dr. Kathleen Mattran Taylor
Ph.D., DBT Program Coordinator, Clinican

Dr. Taylor is a licensed psychologist in New York. Dr Taylor creates a collaborative therapeutic process that is focused on how to …

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Dr. Maren Westphal
Ph.D., Clinician

Dr. Westphal is a licensed psychologist who received her B.A. (Honors) in Social and Political Sciences from the University of…

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Dr. Peggilee Wupperman
Ph.D. (University of North Texas), Clinician

Dr. Wupperman is a New York State licensed psychologist who is currently an associate professor at John Jay College/City University of…

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Dr. Laura Oliff
Ph.D., Associate Director of the American Institute for Cognitive Therapy

Dr. Oliff is a New York State licensed psychologist, Founding Fellow and Diplomate of the Academy of Cognitive Therapy and a membe…

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Alana Silber
B.A. Research and Editorial Assistant

Ms. Silber  received her Bachelor’s degree in Psychology from Barnard College at Columbia University in 2021…

Camille Johnson
Camille Johnson
B.A., Intake Coordinator / Research Assistant

Ms. Johnson received her Bachelor of Arts from Barnard College in 2020. Before joining the American Institute…