Mark Kosters is the Chief Technology Officer of the American Registry for Internet Numbers (ARIN), responsible for all engineering initiatives within the organization, leading both development and operations. Mark has over twenty-three years of experience as an applications developer, networking engineer, technical manager and executive. For eighteen years previous to his employment at ARIN, he has been a senior engineer at Data Defense Network (DDN) NIC, chief engineer and Principal Investigator under the NSF-sponsored Internet NIC (InterNIC), and Vice President of Research at VeriSign. Over his career, Mark has been involved in application design and implementation of core internet client/server tools, router administration, UNIX system administration, database administration, and network security. He has represented both network information centers in various technical forums such as the IETF, RIPE, APNIC, CaribNOG and NANOG. Additionally, he has co-authored many IETF RFCs running from directory services to IP Address Practices to improvements to DNSSEC.

Dan Alexander is the Chair of the ARIN Advisory Council and currently a Network Engineer for Comcast Cable. He is responsible for the planning and management of Internet number resources on the cable network. Prior to joining Comcast, he served a similar role with [email protected] after obtaining a Bachelor of Science degree from Southern Illinois University. Dan has served on the ARIN Advisory since January 2006 and his current term expires 31 December 2015.

Dan Alexander is the Chair of the ARIN Advisory Council and currently a Network Engineer for Comcast Cable. He is responsible for the planning and management of Internet number resources on the cable network. Prior to joining Comcast, he served a similar role with [email protected] after obtaining a Bachelor of Science degree from Southern Illinois University. Dan has served on the ARIN Advisory since January 2006 and his current term expires 31 December 2015.

Mark Kosters is the Chief Technology Officer of the American Registry for Internet Numbers (ARIN), responsible for all engineering initiatives within the organization, leading both development and operations. Mark has over twenty-three years of experience as an applications developer, networking engineer, technical manager and executive. For eighteen years previous to his employment at ARIN, he has been a senior engineer at Data Defense Network (DDN) NIC, chief engineer and Principal Investigator under the NSF-sponsored Internet NIC (InterNIC), and Vice President of Research at VeriSign. Over his career, Mark has been involved in application design and implementation of core internet client/server tools, router administration, UNIX system administration, database administration, and network security. He has represented both network information centers in various technical forums such as the IETF, RIPE, APNIC, CaribNOG and NANOG. Additionally, he has co-authored many IETF RFCs running from directory services to IP Address Practices to improvements to DNSSEC.

Leslie Nobile is the Senior Director of Global Registry Knowledge at the American Registry for Internet Numbers (ARIN). Reporting directly to the CEO, her role is to research and recommend Registry improvements both within ARIN and across the Registry system, with a focus on data integrity and quality. Prior to that, Leslie served as ARIN’s Director of Registration Services for 14 and 1/2 years where she was responsible for the overall development, direction and operation of the department. Leslie has over 25 years of experience in the Internet industry, where she has held various technical management positions. Her previous work includes Internet registry operations at the DDN/DoD Network Information Center (NIC), as well as technical support of the development and expansion of the Defense Data Network (DDN), a high-speed military data network that evolved from the ARPANET. Leslie has been a contributing author to RFCs, Internet Society (ISOC) articles, and various other industry publications and has been actively involved in the global coordination of Internet addressing policy. She has represented ARIN at various industry forums and presented at many, including RIR meetings, ICANN, NANOG, Caribbean Telecommunications Union, ARIN on the Roads, ARIN Government Working Group meetings and various law enforcement venues and cyber crime conferences. Leslie received her B.A. from the American University in Washington, D.C.

Richard A Steenbergen worked for several ISPs in the late 1990s, served as Chief Scientist at ServerCentral, founded nLayer Communications and stayed as CTO through its acquisition by GTT. He's most recently merged with Turkes Industries and established a growing boutique residential experience brand, "The Turkbergen".

John van Oppen runs the technical operations, including design, engineering and planning, for Spectrum Networks, INC (AS11404). He lead support of newNOG originally and as a result, Spectrum Networks was a founding sponsor of what is now NANOG.