In addition to his senior management role at Smurfit Kappa, McGann is chairman of the Aon Ireland subsidiary of insurance company Aon and is a non-executive director of Irish Real Estate Investment Trust Green REIT.
Paddy Power chairman Nigel Northridge said: “We are very pleased that Gary is joining us as a non-executive director. The depth of skills and experience that he has acquired with leading large international businesses will be of considerable value as Paddy Power continues to develop and grow.”