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…
BigSpeak® Speakers Bureau: Motivational Speakers | Keynote Speakers | Business Speakers
Musician, Author, Internationally Acclaimed Conflict Navigator, Compelling Unifier, and Klan Whisperer
Sudanese Refugee & Activist
International Keynote Speaker, Entrepreneur, Sales Trainer, Covering the World in Christ, Bestselling Author
Technology & Media Entrepreneur, Owner of the Dallas Mavericks, HD Net/AXS TV Chairman & Co-Founder
Internationally Recognized Thought Leader and Bestselling Author on Innovation, Behavior Change, Exploiting Business Trends and New Markets
Leadership Expert, Professor and Bestselling Co-Author of The Leadership Challenge
Renowned Executive Coach, Business Author, Thought-Leader, Management and Leadership Expert
Harvard Millennials Expert & Leading Generational Consultant
America's Foremost High-Altitude Mountaineer
Founder & Chairman of UP! Your Service, Service Culture Keynote Speaker, New York Times Bestselling Author
Real Estate Expert
World-wide Best-selling Author, Speaker and Advisor
Executive Vice President / Chief Operating Officer, The Future Hunters
Adventurer, Expedition Leader Speaker, Facilitator, Author, Physician Assistant, High Altitude Medic & Humanitarian
Personal Development Speaker, Founder of MWFmotivation
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…
Sep 10, 2026
The Idea That Changed Retail: Love Your Customers
Why does walking into an Apple Store feel so different from walking into almost any other retail store? Ron Johnson knows the answer. After transforming…