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Meet Our Experts

We’re a team of people guided by our core values: trust, empathy, impact, and empowerment. These elements steer the way we think and what we do. 

Hod Tamir, PhD Headshot

Hod Tamir, PhD

Hod Tamir is a developmental psychologist and licensed mental health counselor. His practice, The WĪSR Place, focuses on wellbeing, identity, sexuality, and relationships. After completing his PhD in Psychology at Florida International University, Hod worked as a postdoctoral researcher at Columbia University and the National Institutes of Health. He is now focused on clinical practice, teaching, and developing tools to make mental health treatment more accessible.

Hod is a contributing clinician for all five notebooks. 


Rachel Brenner PHd Headshot

Rachel E. Brenner, PhD 

Rachel E. Brenner received her Ph.D. in Counseling Psychology with a Graduate Certificate in Quantitative Psychology from Iowa State University in 2018, and is currently an Assistant Professor of Psychology at Colorado State University. Her research primarily examines how people respond to distress and how these responses impact mental and physical health.

Rachel is a contributing clinician for The Anti-Anxiety Notebook.


Diana Hu PsyD

Diana Hu, PsyD

Diana Hu is a clinical psychologist in private practice in Seattle, WA. She utilizes evidence-based methods to treat anxiety, depression, life transitions, relationship struggles, and generational acculturation issues. She also enjoys baking, cuddling with her two cats, and trying to keep her houseplants alive.

Diana is a contributing clinician for all five notebooks.


 Emory Strickkland PsyD

Emory Strickland, PsyD

Emory Strickland is a licensed clinical psychologist in Washington State. He specializes in providing evidence-based treatment for an assortment of anxiety disorders and has extensive experience in Cognitive-Behavioral Therapy (CBT) and Acceptance and Commitment Therapy (ACT). He is passionate about helping others overcome their life challenges and sharing the many research-backed tools and techniques that help people overcome anxiety.

Emory is a contributing clinician for The Anti-Anxiety Notebook and Depression Guidebook.


 Dr Jessica Yu

Jessica Yu, PhD

Jessica Yu is a licensed clinical psychologist whose roles as a strategy lead at a worldwide virtual care company, private practice clinician, and advisor to various mental health organizations are centered on increasing access to evidence-based care. She is trained in Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT), and incorporates the principles and techniques from these modalities into her treatment of those with anxiety, depression, and eating disorders.

Jessica is a contributing clinician for The Sleep & CBT-I Workbook, Trauma & Written Exposure Workbookand a product in development.


 Brandon Tong PsyD

Brandon Tong, PsyD

Brandon Tong, PsyD is a licensed clinical psychologist specializing in cognitive therapy and behavioral treatments for anxiety, depression, stress, and adjusting to transitions. Tailoring treatment to their needs, he helps others find balance in their lives through compassion, problem-solving, and light humor.

Brandon is currently working on a product in development.


Asaf Mazar PhD 

Asaf Mazar, PhD

Asaf Mazar, PhD is a behavioral scientist studying how people form desirable habits and break undesirable ones. His work fuses academic research and applied experience to understand how to spark behavior change in real-world settings. He enjoys playing piano and spending time with his wife and an assortment of adorable furry creatures.

Asaf is currently working on a product in development.

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