Aaron Woland, CCIE No. 20113, is a Senior Secure Access Engineer at Cisco Systems and works with Cisco’s largest customers all over the world. His primary job responsibilities include secure access and ISE deployments, solution enhancements, futures, and escalations. Aaron joined Cisco in 2005 and is currently a member of numerous security advisory boards. Prior to joining Cisco, he spent 12 years as a consultant and technical trainer. His areas of expertise include network and host security architecture and implementation, regulatory compliance, and routing and switching. Aaron is the author of many white papers and design guides, including the TrustSec 2.0 Design and Implementation Guide and the NAC Layer 3 OOB Using VRFs for Traffic Isolation design guide. He is also a distinguished speaker at Cisco Live for topics related to identity and is a security columnist for Network World , where he blogs on all things related to identity. Additional certifications include CCSP, CCNP, CCDP, Certified Ethical Hacker, MCSE, and many other industry certifications.