Aaron Woland, CCIE No. 20113, is a principal engineer in Cisco's Advanced Threat Security group and works with Cisco's largest customers all over the world. His primary job responsibilities include security design, solution enhancements, standards development, advanced threat solution design, endpoint security, and futures. Aaron joined Cisco in 2005 and is currently a member of numerous security advisory boards and standards body working groups. Prior to joining Cisco, Aaron spent 12 years as a consultant and technical trainer. Aaron is the author of both editions of Cisco ISE for BYOD and Secure Unified Access, Cisco Next-Generation Security Solutions: All-in-one Cisco ASA FirePOWER Services, NGIPS, and AMP; CCNP Security SISAS 300-208 Official Cert Guide, CCNA Security 210-260 Complete Video Course, and many published white papers and design guides. Aaron is one of only five inaugural members of the Hall of Fame Elite for Distinguished Speakers at Cisco Live, and he is a security columnist for Network World, where he blogs on all things related to security. His many other certifications include GHIC, GCFE, GSEC, CEH, MCSE, VCP, CCSP, CCNP, and CCDP. You can follow Aaron on Twitter: @aaronwoland. Vivek Santuka, CCIE No. 17621 is a consulting systems engineer at Cisco and is a security consultant to some of Cisco's largest customers. He has over 13 years of experience in security, focusing on identity management and access control. Vivek is a member of multiple technical advisory groups. Vivek holds two CCIE certifications: Security and Routing and Switching. In addition, he holds RHCE and CISSP certifications. Vivek is author of the Cisco Press book AAA Identity Management Security. You can follow Vivek on Twitter: @vsantuka. Mason Harris, CCIE No. 5916, is a solutions architect for Cisco, focusing on cloud architectures with Cisco's largest global customers. He has more than 24 years of experience in information technology and is one the few individuals in the world who has attained five CCIE certifications. Prior to joining Cisco, he was the chief architect at cloud security startup vArmour Networks. Outside work, Mason can be found backpacking on long trails or at home with his family. A lifelong UNC Tarheels fan, he holds an undergraduate degree from UNC-Chapel Hill and a master's degree from NC State University, with a minor in Arabic. Jamie Sanbower, CCIE No. 13637 (Routing and Switching, Security, and Wireless), is a technical solutions architect focusing on security for the Global Security Architecture Team. Jamie has been with Cisco since 2010 and is currently a technical leader and member of numerous technical advisory groups. With over 15 years of technical experience in networking and security, Jamie has developed, designed, implemented, and operated enterprise network and security solutions for a wide variety of large clients. Prior to joining Cisco, Jamie was the director of the cybersecurity practice at Force 3. His other certifications include CISSP, CEH, and MCSE.