Board of Directors

Thanks for serving our community!

Mark Calkins
Mark Calkins
Co-Founder, President
Mark Calkins is a technology enthusiast, motor head, and a general knowledge-seeker. He is intrigued by stability at scale, and simplicity through complex abstraction. These concepts are what drew Mark into the field of 'building the internet' in the late 1990s and why he still enjoys it today. Mark has over twenty years of experience in the Telecom/MSO/Service Provider segment with a proven track record of ingenuity and dedication to the craft. Mark is very excited about the non-profit IX movement because he feels it is an excellent way to give back to the community in which he lives by improving connectivity for all people in the region. Mark is a founding member of the IX-West organization and the IX-Denver Board of Directors.
David M. Corbett
David M. Corbett
Vice President
David M. Corbett started his network journey in 1998 with a company called Nano Space Communications out of San Francisco which turned into a provider called Yipes Communications as employee number #58. Eventually he moved on to a company called tw telecom (AS4323) where they built one of largest metro presence in the continental United States. From there Level 3 communications purchased the company and David was an individual contributor responsible for migrating AS4323 to AS3549 (GBLX)/AS3356(Level3). He currently lives in Colorado where he works in traffic engineering with a specialization on forecasting peering, backbone, and metro.
Chris Grundemann
Chris Grundemann
Co-Founder
President
Chris Grundemann is a passionate, creative technologist and a strong believer in technology's power to aid in the betterment of humankind. In his current role as VP, Strategy at Myriad360 he is expressing that passion by helping clients build bigger, faster, more efficient technology infrastructure that is both more secure and easier to operate and scale. Chris has well over a decade of experience as both a network engineer and solution architect designing, building, securing, and operating large IP, Ethernet, and Wireless Ethernet networks. Chris holds 8 patents in network technology and is the author of Day One: Exploring IPv6 and Day One: Advanced IPv6 Configuration, an IETF RFC, a personal weblog, and various other industry papers and blogs. He is also a co-founder and Vice President of IX-Denver and Chair of the Open-IX BCOP committee. Chris often speaks at conferences, NOGs, and NOFs the world over. He has held previous positions with Markley Group, Internet Society, CableLabs, tw telecom, CO ISOC, ISOC-NY, ARIN, NANOG, AfPIF, CEA, UPnP, DLNA, RMv6TF, and several others. Chris is currently based in Brooklyn, NY and can be reached via Twitter.
Elisa Jasinska
Elisa Jasinska
Vice President
Elisa Jasinska has been automating large-scale networks for over 10 years. She started her career at the Amsterdam Internet Exchange and was later involved in setting up various other Internet Exchanges. She implemented numerous traffic accounting and automation solutions for Internet Exchanges and CDN's. Elisa actively takes part in the Internet community, contributes to open source software and regularly presents at conferences such as NANOG and RIPE.
Ann P. Mitchell, Esq.
Ann P. Mitchell, Esq.
Vice President
Ann P. Mitchell, Esq. has been involved in Internet policy, and anti-abuse, since 1998, when she joined MAPS (Paul Vixie’s organization) as their in-house counsel. Since then Ann has, among other things, written part of our Federal anti-spam law CAN-SPAM (the only part with teeth, in my opinion), led the Institute for Social Internet Public Policy for 15 years, provided expert consulting on GDPR compliance, done both legislative analysis and legislative drafting, testified before numerous legislative bodies, drafted Internet policy documents for various organizations, and served as legal counsel for, among others, the CyberGreen Institute (they scan the Internet looking for open and abusable ports, and render an Internet health report based thereon). ISIPP also runs several groups, including a Network Hotline group (to facilitate large networks being able to quickly reach someone at another network when there is an urgent situation), and a Trusted Reporter group, for people in the anti-abuse industry and network anti-abuse roles to be able to report abuse directly to the networks being abused.
Clinton Murphy
Clinton Murphy
Vice President
Clinton Murphy has worked throughout this industry since 2006 installing VOIP and IP/TDM PRI’s across the Colorado Front Range while providing technical support for those small businesses. He was commissioned into the U.S. Marines in 2008 as a Communications Officer and spent 4 years managing teams to deploy various tactical networks and provide training for foreign forces. The past several years he has spent his time integrating new technology and services for an ISP, focusing on network stabilization and operational optimization. He is always excited about technology advancement, understands the importance for peering and the fundamentals that make the Internet operate properly for all consumers.
Nate Todd
Nate Todd
VP, Secretary
Nate Todd has been involved in network engineering since serving in the Air Force in from 1995-1999. He spent 12 years with USWest/Qwest/Centurylink in a variety of work groups supporting TDM based telephony systems on up to a worldwide enterprise backbone. Current work has been with multiple ISP's on backbone overhaul and growth, cache deployments, and peering awareness and strategies.