Author, Marketing Specialist & Evangelist
Author & Professor, Harvard
Founder of Altimeter Group and a New York Times bestselling author
Chairman - Ferrazzi Greenlight
Author & Professor, Kellogg School of Management
Author & Professor, Columbia Business School
Author & CEO, Venture for America
Management Consulting Cambridge, Massachusetts
Author, Professor & Marketing Consultant
Author & CEO, Constellation Research
Author, Green to Gold and Green Recovery
