A systems engineer at VMware supporting network virtualization projects and European customers. Prior that a consultant and architect responsible for enterprise customers in Poland. He had worked at Cisco Advanced Services, an ISP, an MVNO, a Cisco partner and a financial company. This gave an opportunity to gain experience from different technical angles. A fan of virtualization, overlay networks and Data Center. Contributed to new features in Unified MPLS, Adaptive Code Modulation, Autonomic Networking. A speaker and author of sessions and workshops at EMC Xchange, Cisco Live, Cisco Forum, PLNOG, Infraxstructure. His certifications include CCDE 2012::7, CCIE Service Provider, Routing and Switching #19476 and CCSI#35041.