Alan Calder is the founder and executive chairman of IT Governance Ltd, an information, advice and consultancy firm that helps company boards tackle IT governance, risk management, compliance and information security issues. He has many years of senior management experience in the private and public sectors. Geraint Williams is a knowledgeable and experienced senior information security consultant and PCI QSA. He has broad technical knowledge of security and IT infrastructure, including high performance computing and cloud computing. His certifications include CISSP, PCI QSA, CREST Registered Tester, CEH and CHFI.