Serko Limited announced the appointment of Charlie Nowaczek in the role of Chief Operating Officer. Charlie Nowaczek will report directly to the CEO, Darrin Grafton, and enters the COO role with more than 25 years' experience as both an operating executive and management consultant, specializing in business transformation and operational effectiveness. Over the last decade he has been COO for a number of technology start-ups in the US and Canada, including most recently, Kinetic Social.