Bestselling Author, Keynote Speaker, Founder
The Message Design Institute
Part message designer, part English-to-English translator, and now part doctoral student, Tamsen Webster helps leaders quickly craft their case for long-lasting changes in thinking and behavior. In addition to her work in and for major organizations such as Harvard Medical School, Fidelity Investments, and Klaviyo, she’s a judge and mentor for the Harvard Innovation Labs, a professional advisor at the Martin Trust Center for MIT Entrepreneurship, and has spent over 10 years as the Idea Strategist for one of only nine legacy-level TEDx events in the world.
Tamsen was named to the Thinkers50 Radar in 2022 and is the author of two books, Find Your Red Thread: Make Your Big Ideas Irresistible and Say What They Can’t Unhear: The 9 Principles of Lasting Change. She lives in Boston with her husband, two sons, and two brindle Greyhounds, Hazel and Walnut.
