Ertem Osmanoglu is a Partner and Principal in the Information Technology Advisory Services practice at Ernst & Young's Financial Services Office. He leads the Identity and Access Management practice within Ernst & Young's Financial Services Office. He has led teams for large global clients with information security, identity and access management, e-business strategy, IT risk management and infrastructure service needs. He has over 18 years experience in the IT field and is the author of Security Architecture: Design, Deployment and Operations (McGraw-Hill 2001).