About David Wiss PhD

Dr David Wiss

    Subscribe for weekly insights and research exploring the link between nutrition & mental health.

    Private Practice and Mobile App

    • Nutrition In Recovery

    • Wise Mind Nutrition

    David Wiss raises public awareness through his own research and gathering evidence to support the healing power of food in the recovery process. His presentations and publications rely on science.

    Instructional Professor, University of Southern California

    I sigh a deep breath of relief because we finally have in our recovery community a scientist who loves research and studies data impeccably yet cares more deeply for the heart and soul of a person.

    Private Practice

    David’s passion, energy, enthusiasm, and commitment to being an agent of change is inspirational. He practices what he preaches and has an insatiable hunger for knowledge and education.

    Private Practice

    Dr. Wiss is excellent at understanding differences in individuals with eating disorders. He is effective in meeting people where they are in their recovery journey. Dr. Wiss practices what he preaches, making him more relatable and easy to connect with personally. 

    Private Practice

    David is an exceptional educator and clinician, masterfully translating the complexities of ultra-processed food addiction and eating disorders into practical, actionable insights for his clients.

    Private Practice

    Dr. David Wiss stands out in the field of eating disorder treatment, courageously paving the way for nuanced approaches amid the pressure to conform to mainstream thought.

    Private Practice

    About David Wiss PhD

    Dr. David Wiss is an independent thinker unafraid to challenge the status quo in the nutrition field. Dr. Wiss pioneered the field of nutrition for addiction recovery and is a world-renowned expert in disordered eating. His mental health research bridges gaps between neurological, psychological, behavioral, and nutritional sciences.

    Dr. David has treated over 1,000 patients in the last twelve years using a food-positive functional medicine approach through his practice, Nutrition In Recovery. Dr. Wiss has developed innovative methods for using nutrition to improve mental health without feeling like a “diet.” Dr. Wiss believes gut health is the key to brain health and wants to show you how to heal yourself and help your clients. 

    After conducting original research and developing a unique framework for treating individuals and in group settings, Dr. Wiss put all his clinical pearls into the Wise Mind Nutrition app. If you’ve been searching for a novel nutrition education tool to add to your counseling practice, Dr. David is here to help.

    Dr. Wiss is available for professional supervision, consulting, speaking, coaching, treatment, and manuscript collaboration. He recognizes that we desperately need a paradigm shift in the nutrition field to end the practitioner wars. The vision is clear: we need to improve patient outcomes in mental health settings, and the time for new frameworks is here and now.

    Nutrition is a social justice movement. Consider this your friendly invitation to the movement. 


    University of California 2022

    Doctor of Philosophy (PhD) - Public Health
    Community Health Sciences Department
    Minor: Health Psychology

    California State University 2013

    Masters of Science (MS) - Nutrition, Dietetics, & Food Science
    Registered Dietitian Nutritionist (RDN) #1089886

    University of Southern California 2007

    Bachelor of Arts (BA) - Social Science
    Emphasis in Economics


    Founder, Wise Mind Nutrition App 2022 - Present

    Chief Executive Officer

    Founder, Nutrition in Recovery 2012 - Present

    Chief Executive Officer

    Select Certifications, Honors, Awards, Positions

    Institute of Functional Medicine 2022 - present

    Applying Functional Medicine in Clinical Practice (AFMCP)

    Depression Intensive Program 2022 - 2023

    Psychiatry Redefined

    Co-Chair, Substance-Related and Addictive Disorders 2022 - 2024

    Academy of Eating Disorders

    Emerging Dietetic Leader Award 2020

    California Academy of Nutrition and Dietetics

    Certified LEAP Therapist (CLT) 2019 - present

    Oxford Biomedical Technologies

    UCLA Eleanor J. De Benedictis Endowed Fellowship Fund 2018 - 2021

    Doctoral Support

    Join Dr. Wiss & colleagues for an epic mental health event on October 10th in Los Angeles