John Zimmer is a renowned brand in the field of public speaking, presentation skills, and persuasion. With over 30 years of experience and a background in International Relations and Law, John offers powerful keynotes and helps organizations and individuals become effective communicators. John has worked for prestigious institutions such as the United Nations and the World Health Organization, and is now a sought-after speaker, keynote presenter, and emcee for various events globally.

He works with multinational corporations, international organizations, startups, and individuals, offering his expertise in public speaking. Additionally, John teaches public speaking in esteemed Executive MBA programs and is a 9-time European champion of Toastmasters public speaking contests. Furthermore, he is the co-creator of Rhetoric - The Public Speaking Game TM, which is played worldwide as both a physical game and an app.

With his improvisational theatre group, the Renegade Saints, John also helps companies improve collaboration, communication, and creativity through 'improv'. Through his blog, Manner of Speaking, one of the leading blogs in public speaking and presentation skills, John shares his insights and knowledge with a wide audience. Book John Zimmer for impactful keynotes, effective training, and coaching to enhance your communication skills