David Clifford is a director at Pace Harmon, a business transformation and outsourcing advisory firm. He has a 25-year track record in advising companies in business program management and IT service management. His background also includes IT strategy development, IT portfolio management, strategic sourcing, and IT operational experience. He has led multinational organizations through major change, not only at an IT level but also within the core business operations. David has authored many books in the ITSM, ISO standards and SIAM (service integration and management)/MSI (multisourcing integration) fields. Additionally, he has been involved in developing ITIL® and other ITSM publications.