Dan Caruso is President and CEO of Zayo Group and Chairman of Envysion. Caruso also oversees Onvoy Voice Services. He is a board member of GTS Central Europe and sat on the board of New Global Telecom until its sale to Comcast. Between 2004 and 2006, Caruso was President and CEO of ICG Communications. In 2004, he led a private buyout of ICG. At the time, the company held approximately $100M of debt and was burning its $30M of remaining cash at a rate of $8M a month. Columbia Capital and M/C Venture Partners backed the buyout, investing a total of $8.7M. In 2006, ICG was sold to Level 3 for $170M, resulting in a total distribution to the buyout group and management team of over $225M and a return on investment of 25x.