Brent Sieling is an instructor and program director for the two-year Network Specialist Associate Degree at Madison College. He has been teaching networking classes full-time since January 2006 and part-time for three semesters prior to that. He is the lead contact for the Academy Support Center and Instructor Training Center at Madison College’s Cisco Networking Academy, providing support to over 30 high schools and technical colleges in the state of Wisconsin. Brent previously worked as a network specialist at the Madison Metropolitan School District, where he managed a network of over 50 schools. Brent currently holds the Cisco Certified Network Associate (CCNA), CCNA Voice, and CCNA Security certifications, and he was previously a Certified Novell Engineer (CNE). He recently completed the Cisco Academy Instructor Trainer Qualification (ITQ) process to become an Academy Instructor Trainer. Brent has been a regular presenter at the Cisco Academy conferences.