Geoffrey A Moore Author of Crossing the Chasm, The Gorilla Game, Inside the Tornado and Escape Velocity - Geoffrey Moore Author, Speaker, Advisor Geoffrey Moore, Author, Speaker, Advisor, Crossing the Chasm by Moore, The Gorilla Game by Moore, Inside the Tornado by Moore, Dealing With Darwin by Moore, Living on the Faultline by Moore, Geoffrey Moore Consulting, Mohr Davidow Ventures, TCG Advisors, The Chasm Institute, The Chasm Group, disruptive technology Geoffrey Moore Author, Speaker Advisor