Sarah Lew Tierney

Trusted support when you need it most.

About Me


Hi there! I'm Sarah...an author, speaker, and licensed therapist with 20 years of experience and a clinical specialty in ADHD care. I feel passionate about detangling mental health from misinformation, and you will find me fighting pop-psych nonsense through my writing, public speaking, and online platforms. My mission here is simple: make the world a kinder place for people with mental health concerns.

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My Books


As a dual citizen Canadian-American, who grew up in the Congo and now resides in the Midwest, I offer a unique perspective on a wide range of sociocultural issues. I feel proud to team up on this compelling story with my friend and co-author, Joshua Sherif. Matthew Soerens, the National Coordinator of the Evangelical Immigration Table and a director at World Relief, called this book "a timely epistle to the American church."

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My Courses


Speaking


As an author and therapist, I bring a combo of clinical expertise and compelling storytelling, which allows me to deliver talks that don't just inspire, but equip people with real tools for navigating mental health, personal growth, and life's toughest challenges. If you're looking for an authentic speaker who will leave your audience changed, not just motivated, book me today.

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Check Out My Blog


Hand raised toward blurred
By Sarah Tierney February 9, 2026
Easy ways to spot the difference and 7 TIPS to leave safely.
Basketball court shrouded in thick fog. Court is wet with puddles, hoop visible.
By Sarah Nichols Tierney February 2, 2026
January 30, 2026 - 8 min read
A singer in a patterned suit performs on stage, lyrics
By Sarah Nichols Tierney November 11, 2025
Jul 10 - 6 min read Updated: July 22

Want to learn more

Follow along as I help untangle real mental health from the snares of misinformation.

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