By Ian Maxwell, chief executive of BT Imaging, a portfolio company that presented at the Global Corporate Venturing Symposium in May, and director of Ian Maxwell Consulting.

Background

Over the past 20 years more money has gone into global venture capital funds than has come out. This unprofitable imbalance seems improbable and only exists because of the long and illiquid investment cycle of venture capital that has prevented market forces from properly correcting this oversupply of capital. 

Venture…