Mike Chapple

James Michael Stewart, CISSP, CEH, CHFI, Security+, has focused on security, certification, and various operating systems for more than 20 years. He teaches numerous job skill and certification courses. Mike Chapple, PhD, CISSP, is Senior Director for IT Service Delivery at the University of Notre Dame. He oversees information security, data governance, IT architecture, project management, strategic planning, and product management functions. Darril Gibson, CISSP, is CEO of YCDA, LLC. He regularly writes and consults on a variety of technical and security topics, and has authored or coauthored more than 35 books.