is named acting VP of finance, chief financial officer and treasurer of Nav Canada. Prior to coming to the civil air navigation services provider as director of finance in 2002, Mr. Aitken was CFO at Calian Technology Ltd. Earlier on, he held senior financial roles at Alcan Aluminium Ltd., E.B. Eddy Ltd. and Domtar Inc. He holds a bachelor of commerce degree from McGill and has completed the executive program at Western. Mr. Aitken is a member of the Ontario and Canadian Institutes of Chartered Accountants and the Financial Executives Institute.