Amir Ranjbar, CCIE No. 8669, is a Certified Cisco Systems Instructor and a senior network consultant. Operating under his own corporation, AMIRACAN Inc., Amir offers his training services to Global Knowledge Network, his consulting expertise to a variety of clients (mainly Internet service providers), and his technical writing skills to Cisco Press (Pearson Education, Inc.). Born in Tehran, Iran, Amir immigrated to Canada in 1983 at the age of 16 and completed his Master’s degree in knowledge-based systems (a branch in artificial intelligence [AI]) in 1991. He has been involved in training, consulting, and technical writing for the greater part of his career. Amir Ranjbar can be contacted through his email address firstname.lastname@example.org.