Antonio "Ato" Sánchez-Monge has 16 years of experience in the IP/MPLS (and Software-Defined) Networking industry, first with HP as Cisco partner, and then for the last 11 years in Juniper Networks, currently in the Contrail Business Unit. He is fluent in three languages and holds CCIE R&S # 13098, JNCIE-SP #222. Ato has written five more books in Juniper Networks, and is leading several knowledge management initiatives inside the company. MPLS and SDN are part of his daily job, from design down to the details, and is a go-to person inside Juniper for many technical topics.

Krzysztof Grzegorz Szarkowicz is a Senior Professional Services Engineer at Juniper Networks. He has 20 years of experience in the industry, gained with HP Labs, Telia Research, Ericsson, Cisco, and finally in the last 8 years with Juniper Networks; and having performed varied roles as Researcher, Program Manager, Trainer and Consultant. Krzysztof speaks fluently four languages, and he holds both Cisco (CCIE-SP #14550 Emeritus) and Juniper (JNCIE-SP #400) certifications. Inside Juniper, he is a recognized MPLS expert with very extensive field experience on Seamless MPLS Mobile Backhaul, including several large-scale deployments. He has strong collaboration links with the Junos MPLS development team.