New! Red Thread Course Now Available
Say what they can't unhear. Master the art of and science of messaging on your own (but not alone!)
THE MESSAGE DESIGN INSTITUTE created by TAMSEN WEBSTER

With science-backed strategies and expert insights, the Message Design Institute is your gateway to making messages that make a difference.

THE MESSAGE DESIGN INSTITUTE  
   created by TAMSEN WEBSTER

With science-backed strategies and expert insights, the Message Design Institute is your gateway to making messages that make a difference.

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Fundamentals of Message Design

Learn not just what you need to craft messages that deeply resonate, but exactly where and how to start.

Be First: Unlock exclusive access to our groundbreaking courses and workshops

Learn from the Best: Apply cutting-edge innovations and insights from communication legends and industry pioneers, all delivered right to your inbox.

Start Now: Learn the secrets and strategies for do-it-yourself message design, no agencies or outside consultants required.

AT THE MESSAGE DESIGN INSTITUTE (MDI), we’ve harnessed over twenty-five years of rigorous scientific research and practical application to propel change communication. Founded by industry expert Tamsen Webster, MDI’s innovative approach merges her patented Red Thread® methodology with her nine Principles of Lasting Change. The result is a learning and development hub that equips leaders and organizations with the knowledge and tools they need to craft messages that build buy-in for lasting change.

In a world flooded with information, stand out by crafting messages that truly resonate.
Forget short-lived tactics—we're here to revolutionize how you influence thinking and behavior for the long haul.

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OUR COURSES, consulting, and certification programs demystify the principles and processes behind persuasive message design, teaching you the art of crafting concise core messages, compelling core cases, and captivating core stories. We designed these pioneering programs for impact-focused leaders striving to disrupt the status quo, empowering them to influence change from within.

WE ENVISION A WORLD where principled, persuasive message design is considered a fundamental pillar for success in our fast-changing world. We ground our approach in a foundation of core beliefs that champion motivation over manipulation, continuous learning, and unwavering respect for audience agency.

JOIN OUR GROWING COMMUNITY of over four thousand message designers. Explore our digital content hub, sign up for our biweekly newsletter, and carve your unique path toward message design mastery. Your message has the power to inspire change. Let’s design it together.

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AVAILABLE NOW from MDI FOUNDER TAMSEN WEBSTER

RED THREAD
ONLINE COURSE

The only self-guided online course that shows you how to design and build on your own one of the core pillars of message design: the core story.