Personality by Design

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Science-Backed Personality Change

Dr. Sauer-Zavala is a psychologist and researcher translating 15+ years of personality science into tools you can actually use. Not to cope better. To change who you are.

Start with a FREE Personality Test →
Work With Me →
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You're not just "wired this way." Your personality is a starting point, not a life sentence.

The research says you can change. The tools exist. You just haven't had a map yet.

NEW BOOK | August 2026

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The BPD Compass Workbook

Who it's for: People diagnosed with BPD, or who suspect they have it. Also therapists using it with clients.

Pre-Order Now →
Learn More & Get Bonuses →

Praise for BPD Compass

  • A professional headshot of David H. Barlow, PhD, a senior academic in psychology and psychiatry, with a quote about treatment for BPD and his credentials listed below.

  • Photo of Melanie Goldman, a woman with long pink hair, wearing a colorful, patterned sweater, smiling against a blue circular background, with a quote and description about her work in therapy and personal development.

  • Photograph of a smiling man in a suit, with a block of text about a workbook for clients with borderline personality disorder, and his name Ueli Kramer, PhD, with his credentials and affiliations.

  • A woman with shoulder-length purple and black hair, smiling, wearing a white sleeveless top, inside a circular frame over a graphic with quote marks and a text description of a workbook for borderline personality disorder created by Kiki Feling, PhD.

  • A portrait photograph of Jennifer S. Cheavens, PhD, smiling with shoulder-length blonde hair, wearing a black blazer and gold hoop earrings, against a blue background. Below the photo is a quote about her work in developing a treatment for BPD, with her credentials and title listed at the bottom.

  • A professional portrait of Adam Carmel, PhD, a clinical professor at the University of Washington, smiling and wearing a suit, with a quote about BPD compass and their work on emotional resilience and coping strategies.