Zayo Group Holdings, Inc. announced the appointment of Steve Smith as Chief Executive Officer. Digital Colony and EQT selected Smith to lead Zayo based on his proven track record scaling digital infrastructure companies into leading global providers in their respective markets. Smith was recently a Managing Director of the Private Equity firm GI Partners. Founder and CEO Dan Caruso will transition to Board Director. Caruso will support Smith as he transitions to CEO and will continue at Zayo as a Board Director.