CNN National Security Analyst; Senior Advisor at the Biden Institute
Entrepreneur Speaker, Founder and Executive Chairwoman, TaskRabbit; General Partner at Fuel Capital
Leadership Speaker, Founder of One Day Leadership
Leading international authority on wellbeing and resilience
Co-Founder at be radical, EY’s wavespace Advisory Board Chair, Jury Chair for Science and Innovation Management at Falling Walls Foundation. Before: Google, Mozilla, eBay
Leadership Speaker, Chief Evangelist, Vice President of Talent and Brand, The Marcus Buckingham Company
Corporate Culture Speaker, The Change Agent
Author, Restauranteur, Top Keynote Speaker
Political Analyst
TEDx Nashville’s #1 Speaker, 3x CEO, Inc. 500 Entrepreneur, and Expert on Authentic Leadership
Global Keynote Speaker | Expert in Human Intelligence (HUMINT), Counterintelligence, Espionage & Covert Human Threat Detection
Citigroup Whistleblower, Ethical Leadership Speaker, Leadership Keynote Speaker, Business Ethics Expert, and Author
MOTIVATOR, BUSINESS STORYTELLER, ENTREPRENEUR, & AUTHOR
Motivational Speaker, Six Time Ironman Triathlon World Champion
Professor of Economics at Columbia University and Chief Economic Advisor to the WEF. Leading expert on innovation and competitiveness
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…