Bill Graham is a network and security architect with 30 years of experience in the technology field. He holds three expert-level certifications from the industry's leading networking vendors: dual CCIEs from Cisco — Enterprise and Service Provider — earned over 25 years ago, and the JNCIE Service Provider credential from Juniper Networks. He has worked in technical roles at Cisco, Juniper Networks, DriveNets, Merrill Lynch, and IBM Global Services.