Greg has been working with multicast deployments for over 10 years: in R&E networks as an operator, then with Cisco, Juniper, Procket, now back at Cisco. He has given numerous workshops at NANOG, APRICOT, RIPE, AFNOG, SANOG, AIT, as well as directly with customer engineers. Through ISC.org he currently opperates a global multicast peering network. Greg is currently a Distinguished Engineer at Cisco where he holds several multicast related patents and is working on over-the-top video solutions.