PhD in clinical psychology from the Brooklyn campus of Long Island University

Pre-doctoral internship and postdoctoral fellowship at Albany Medical Center

Katie C. Lewis, PhD, is the director of research and medical staff member at the Austen Riggs Center. Her research focuses on examining personality processes in adults diagnosed with complex psychopathology as they relate to suicidal and self-destructive behaviors. Her research has been supported by the Robert Wallerstein Fellowship in Psychoanalytic Research (San Francisco Center for Psychoanalysis), a Young Investigator Grant through the American Foundation for Suicide Prevention, an Exploratory/Developmental Research Grant through the NIMH, and the APF/Division 39 Marsha McCary Grant for Psychoanalytic Research.

She has published and presented on a wide range of topics including suicide and self-harming behaviors, personality psychopathology and assessment, and the ethics of confidentiality in clinical writing. Dr. Lewis is a licensed clinical psychologist in New York and Massachusetts and operates a small private psychotherapy practice in addition to her work at Austen Riggs.

Professional Affiliations/Organizational Memberships

Former graduate student representative on the Ethics Board of Division 39

Former Fellow of the American Psychoanalytic Association (ApsaA)

Former Fellow, Psychoanalytic Research Training Program, Yale University School of Medicine

Founding member of the College of Research Fellows at APsaA

Board of the Society for Personality Assessment Representative at Large (2023-2026)

Fellowship Committee member, American Psychoanalytic Association

Consulting editor and special section editor (Clinical Applications and Case Studies) for the 

American Association of Suicidology Professional Poster Award (2019)

PPRS Stuart Hauser Memorial Poster Award (2014)

Long Island University's Dissertation Award (2014)

Suicide, personality disorders, ecological momentary assessment, psychic pain, personality assessment

Leadership

Erikson Institute Staff

Katie Lewis, PhD

Director of Research

BS in psychology from the University of Texas

PsyD in clinical psychology from George Washington University

Predoctoral internship at Pathways Community Health in Missouri

Fellowship in Psychoanalytic Studies at the Austen Riggs Center

Board Certified by the American Board and Academy of Psychoanalysis

Jeremy M. Ridenour, PsyD, ABPP, is the director of psychological testing, associate director of admissions, and a staff psychologist at the Austen Riggs Center. He is also the chair of the Erikson Scholar Search Committee.

He has written and presented on schizophrenia, paranoia, personality disorders, and psychological testing.

Psychotherapeutic treatment of individuals with schizophrenia-spectrum disorders with a particular focus in understanding how targeting mentalization (i.e. how people think about self and other) can be an important focus for recovery. In addition, he has conducted psychological assessment research on personality disorders and psychosis

Administrative Staff

Admissions Staff

Therapy Staff

Jeremy Ridenour, PsyD, ABPP, is the associate director of admissions and the director of psychological testing at the Austen Riggs Center.

Jeremy Ridenour, PsyD, ABPP

Associate Director of Admissions/Director of Psychological Testing

; and Aliza Spruch-Feiner, authored "Clinical Interviewing," a chapter in the book 

–2nd Edition, in which different approaches to clinical interviewing are introduced, and considerations are explored regarding how the assessor approaches their engagement with the client in an effective manner in order to achieve their interviewing goals.

Photo by Priscilla du Preez via Unsplash.

Two People Having Coffee

Professional Publications

Different approaches to clinical interviewing are introduced, and considerations are explored an article authored by Katie C. Lewis, PhD, and Jeremy Ridenour, PsyD.

Clinical Interviewing

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