Mark Voelker is currently a Technical Leader in Cisco's Systems Development Unit, but generally prefers to think of himself as a breadth-first technologist. In past lives he has worked as a software engineer and engineering manager designing web applications, automation systems, mobile apps, traffic generators, and more weasely hacks than he can shake a stick at. He also helped design and support the infrastructure supporting his software, including LANs, award-winning SANs, load balancing, and servers. Mark currently works on massively scalable data center architecture, Big Data, cloud computing, software defined networking, and distributed systems. He's been enamoured of Open Source approximately since his first exposure to the Internet, and helped found Cisco's Open Source Conference and is part of the OpenStack@Cisco team. He has a habit of including vacation photos and Douglas Adams quotes in his presentations and his time can generally be bought with a sufficient quantity of doughnuts. When not holed up within the trail-photo covered walls of his workspace at Cisco's Research Triangle Park campus, Mark can be found hiking, camping, backpacking, or making sawdust with extreme prejudice. Mark is a proud alumni of the Park Scholarships at NC State University. You can also find him on Twitter or LinkedIn.