Top Change and Transformation Speaker, Creator and World’s Leading Expert of Change Enthusiasm®, Founder & CEO of Change Enthusiasm® Global, Bestselling Author
Former NFL & College Head Coach & ESPN Football Analyst
Two Guys, a Big Idea, and a Lot of “This Will Never Work”
Sales & Leadership Experts, USC Professors of Entrepreneurship, and Wall Street Journal Bestselling Authors
Innovation Architect, Former Microsoft Innovation Leader, Venture Studio CEO
Client Relationship Specialist; Founder & CEO of Bunnell Idea Group (BIG); Creator of GrowBIG
Navy Seal Commander, Keynote Speaker, New York Times Bestselling Author
Harvard Professor, Atlantic columnist, Social Scientist Specializing in Happiness, Keynote Speaker
Keynote Speaker, Bestselling Author, Professional Pilot
Chief Strategy and Corporate Affairs Officer at ServiceNow
NY Times Bestselling Author, ‘The Next Conversation,’ Communication Expert, Trial Lawyer, Host, The Jefferson Fisher Podcast
Retired Physician & Bestselling Author; Expert on Addiction & Mental Illness
Expert in Business Growth & Branding, Marketing, Organizational Culture Change & Diversity; Former CMO of Kraft Foods/Mondelez & CDO of PepsiCo; Current Chief Strategy Officer, Group Black
Customer Loyalty Expert; Reputation and Brand-building Authority; Senior Role in Harley-Davidson Turnaround; and Author, Make Some Noise: The Unconventional Road to Dominance
Innovation Speaker, Creative Director of Franchise at Pixar
Oct 29, 2026
From Bestselling Book to Standing Ovation: Bring the Authors Everyone’s Reading to Your Stage
Plot twist: Your next keynote speaker might already be on your bookshelf. Bring bestselling authors to your next event for fresh perspectives on leadership, business…
Oct 14, 2026
Dr. Marcus Collins to Emcee the Thinkers50 London Summit 2026
BigSpeak exclusive keynote speaker Dr. Marcus Collins has been selected to emcee the daytime program at the Thinkers50 London Summit 2026, taking place November 2nd…
Sep 30, 2026
Prioritize Accountability to Foster a Winning Culture and Mindset
As the (not so old) adage goes, culture eats strategy for breakfast. There’s more buzz than ever about the need for open communication, growth mindsets,…
Sep 22, 2026
The Story Behind the Apple Store–And the Lessons Beyond Retail
Ron Johnson’s highly anticipated book, Shop Different: How Retail Revealed Apple’s Genius, is OUT NOW! Go behind the scenes of how Ron Johnson and Steve…