Andrew Yourtchenko, CCIE No.5423 is a Technical Leader at Cisco Systems Network Operating Systems Technology Group, and has been involved in networking since 1995, specializing in the areas of applications and network security. He spent a significant portion of his career at Cisco TAC, driving the resolution of complex technical problems.

He contributes to IETF, and is a frequent speaker at IPv6 conferences. He actively engages with Cisco customers and partners in the areas of IPv6 transition, focusing on the transport and application levels.