Motivational Speaker, Business Mentor & Happiness Expert
Leadership, Teams, Relationships, & Authenticity Speaker, Best-selling Author, Leadership and Authenticity Guru
"Business-Brain" Expert
Former Senior Officer & Cyber Branch Chief for the Defense Intelligence Agency
Executive Coach, Business Communication and Presentation Skills Expert
Internationally Respected Futurist
Technology Futurist, Social Media Expert, Marketing, Relationship & Branding Thought Leader
Bestselling Author and Sales Expert
Strategic Consultant, Bestselling Author, Technology Futurist
Director of Economics Research and Gulf Research Center
Former Head of the UK Diplomatic Service and Permanent Secretary at the UK Foreign Office
Global Economist, Former President of the ifo-Institute in Munich (1999-2016)
Dartmouth International Business Professor, Strategy and Innovation Expert, Director of the Tuck Center for Global Leadership
Cancer Survivor, Businessman, and Inspirational Speaker
Executive Coach, Tedx Speaker, and Co-Founder of Mindfulness Based Achievement
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…