Les Calder is a Chief Technology Officer at Donaldson Group. He possess expertise in change management, outsourcing, program management, management, business transformation and 11 more skills. Colleagues describe him as ""Les is a very talented leader that takes over new challenges with a large scope and delivers. He is very focused on results and has a great combination of business and technical skills. It was a pleasure working with Les and I give him and his work a very strong endorsement - he has a bright future!"