Henry (Hank) Kilmer is Vice President of IP Engineering at Cogent Communications, Inc. Prior to joining Cogent, Mr. Kilmer held positions with UUNET (now Verizon), Sprint, Digex/Intermedia and Metromedia Fiber Networks/Abovenet (now Zayo) where he was Senior Vice President of Engineering and Operations. Most recently, Mr. Kilmer was President of Terrapin Communications, Inc., a small consulting 16 firm that focused on network consulting and technical strategy development for companies like GPX, Airband, and Switch and Data (now part of Equinix).