Instructor Biographies 


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Experience and Expertise

ISACA on-site training provides your enterprise with high-quality training by proven ISACA trainers, conference speakers and presenters.

Donald Caniglia, CISA, CISM, CGEIT, is a Senior Associate with Jon Campbell & Associates, a Tampa, Florida provider of information management, internal audit, information security and IT governance consulting services. A former information security analyst for Cummins Inc., the 30-year veteran of operational, financial and information systems auditing, and a former audit director, has developed and implemented IS audit departments for two financial institutions. Caniglia currently specializes in organizational Information Security Programs and IT Governance implementation, and is an energetic and popular speaker at ISACA conferences and seminars.

Barry D. Lewis, CISM, CGEIT, president of Cerberus, has more than 39 years of experience in IT and has specialized in information security for the last 30 years. Before joining Cerberus in 1993 and starting his own company in 1991, he worked for two major auditing firms. He co-authored numerous books, including Wireless Networks for Dummies, and lectures and consults worldwide on numerous security topics, including IT governance, wireless networking and vulnerability assessments.

Albert J. Marcella Jr., Ph.D., CISA, CISM, is president of Business Automation Consultants LLC, providing IT management consulting, IT audit and security reviews, and training for an international clientele. Marcella is an internationally recognized speaker, researcher, and seminar leader with 30 years of experience in IT audit, security and internal controls. He also authored numerous articles and 31 books on various IT, audit and security-related subjects. Marcella was named the Institute of Internal Auditors’ Leon R. Radde Educator of the Year in 2000.

Craig McGuffin, CISA, CISM, CGEIT, is principal of C.R. McGuffin Consulting Services, and has more than 25 years of experience in computer and network controls and security. He has a background in computer science and has worked as an information systems auditor, security consultant and security manager in all types and sizes of computing and data communications environments. McGuffin is co-author of two books on networking technology, and is an award-winning and internationally popular speaker on the use of computer technology, controls and security.

John Tannahill, CISM, CGEIT, is a management consultant specializing in information security and audit services. He currently is focusing on information security management and control in large information systems environments and networks. Technical expertise includes UNIX and Windows operating system security, network security, and Oracle and Microsoft SQL Server Security. Tannahill frequently speaks in Canada, Europe and the U.S. on the subject of information security.