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About Justine

Learn more about Justine Mastin: author, voice over artist, panel moderator, and keynote speaker.

About Justine

Learn more about Justine Mastin: author, voice over artist, panel moderator, and keynote speaker.

Justine Mastin

MA, LMFT, LADC, E-RYT 200, YACEP

Justine smiles at the camera wearing a blazer with a question mark broach.

Therapist and so much more

I have operated a therapy private practice since 2014 where I specialize in serving folks who consider themselves outside of the mainstream, especially those who speak the language of pop culture. Through this work I have had the opportunity to gain expertise in the intersection of pop culture and psychology and contribute to numerous books and blogs on the subject. I also literally co-wrote the book on Therapeutic Fanfiction – Starship Therapise: Using Therapeutic Fanfiction to Rewrite Your Life and provided my voice to the audiobook.

Interviewer, presenter and consultant

Over a decade as a clinician paired with a background in theater, voice, and dance makes me a unique and compelling presenter. I have had the privilege to be a TEDx speaker, a keynote presenter, as well as a panel moderator and panel participant at innumerable comic conventions. I also co-host both the Starship Therapise podcast, and the Dark Side of the Mat podcast. 

All of my experience has culminated in being a dynamic educator and mental health consultant. I am an adjunct instructor at St. Mary’s University of Minnesota in the Marriage and Family Therapy Master’s program, where I focus on helping students discover their authentic voices. 

I am proud of the work that I do: mind, body, and fandom.

Let's work together.