Organization Structure & Staff

ARIN Organization Chart

ARIN is structured to operate as a service organization that is responsive to the needs of the public it serves. It is organized and driven by the users in the community and is thus able to keep in step with their requirements.

ARIN Community and Membership

Anyone with an interest in Internet number resource management in the ARIN region can be part of the ARIN community. In addition, the ARIN community specifically includes:

You do not need to be an ARIN Member to apply for resources from ARIN or to participate in ARIN’s Policy Development Process. However, to become a member, you must first hold Internet number resources from ARIN. For a complete explanation of membership, visit the Membership page.

Board of Trustees

The Board of Trustees, elected by the ARIN membership, establishes and maintains authority over ARIN’s scope, mission, and strategic and fiscal direction. The Board also oversees committee nominations, appointments, elections, and votes on community-developed draft policies in accordance with the Policy Development Process (PDP). For the current members of the Board, links to meeting minutes, and other information, visit the Board of Trustees page.

Advisory Council

Elected by the ARIN membership, the Advisory Council (AC) advises the Board of Trustees on Internet number resource policy and related matters and forwards Recommended Draft Policies to the Board for ratification, in adherence with the Policy Development Process (PDP). Additional information can be found on the Advisory Council page.

President & CEO

John Curran

bio

The Board of Trustees selects the President and directly determines compensation. The President:

  • Acts as Chief Executive Officer
  • Appoints and supervises all ARIN operational staff
  • Serves on the Board of Trustees
  • Acts in an advisory capacity to all other officers and trustees
  • Serves as an ex-officio member of the Advisory Council
  • Acts as a liaison between the Board of Trustees and the Advisory Council

Senior Management

Chief Operating Officer

The Chief Operating Officer oversees and maintains the day-to-day internal operations of ARIN and facilitates coordination between all departments working closely with each department director. Additionally, the COO coordinates and oversees interdepartmental projects, is responsible for execution of ARIN’s internal program management, is primary liaison to ARIN legal counsel, and serves as chief of staff.

Chief Financial Officer

The Chief Financial Officer is responsible for the integrity and reliability of all ARIN financial operations. This includes the leadership and coordination of the planning, accounting, auditing, and budgeting efforts for ARIN. In addition, the CFO monitors and reports on the overall fiduciary condition of the company and is accountable for ensuring timely financial statements and budgets for senior management, the Board of Trustees, and the membership.

Executive Director of Government Affairs and Public Policy

The Executive Director of Government Affairs and Public Policy oversees and maintains relationships with governments and key intergovernmental organizations for ARIN, working closely with the President of ARIN to accomplish the external mission, goals, and strategic plan of the company.

Associate General Counsel

ARIN’s Associate General Counsel (AGC) oversees and monitors legal issues that may arise and works with the ARIN executive team and outside General Counsel on such issues. Additionally, the AGC interacts with community members and coordinates with various departments on responses to requests from members of the ARIN community that may require review from legal counsel.

Senior Director of Global Registry Knowledge

The Senior Director of Global Registry Knowledge develops and oversees an ongoing program of assessment of Internet registry data quality and integrity. The Senior Director also collects and reviews processes used to support registry integrity globally and develops recommendations for relevant process improvement within ARIN.

Director of Caribbean Affairs

The Director of Caribbean Affairs cultivates and maintains relationships with governments and Internet industry groups in the Caribbean portion of the ARIN region; and promotes participation in the policy development process by the various governments and Internet industry groups in the Caribbean portion of the ARIN region.

Senior Management and Support Staff

  • Richard Jimmerson, Chief Operating Officer
    • Thérèse Simcox, Senior Executive Assistant
  • Open, Chief Financial Officer
  • Anne-Rachel Inné, Executive Director of Government Affairs and Public Policy
    • Einar Bohlin, Government Affairs and Public Policy Analyst
  • Michael Abejuela, Associate General Counsel
    • Jennifer Lee, Staff Attorney
  • Leslie Nobile, Senior Director of Global Registry Knowledge
  • Bevil Wooding, Director of Caribbean Affairs
  • Erin Alligood, Director of HR and Administration
  • Val Winkelman, Director of Financial Services
  • Mark Kosters, Chief Technology Officer
  • Susan Hamlin, Senior Director of Communications and Member Services
  • John Sweeting, Senior Director of Registration Services

ARIN Departments

ARIN is comprised of the following departments. Descriptions and a list of staff are included below.

Engineering Department Staff

The Engineering Department is responsible for development, implementation, and support of ARIN internal systems and technical community services. The department supports all other functional departments of the organization. Engineering is also responsible for working with the other Regional Internet Registries (RIRs) on various projects, as well as providing systems related support for community-based policy implementations.

Director: Mark Kosters, Chief Technology Officer

  • Debra Martin, Senior Project Manager
    • Sherrie Link, Project Manager (Part-Time)
  • Open, Software Engineering Manager
    • Jan Blacka, Senior User Experience Specialist
    • Crystal Cleaveland, Software Engineer
    • Leo (Liangbo) Deng, Senior Software Engineer
    • Nick Guichon, Software Engineer
    • Matt Haimbach, Software Engineer
    • Jesse Helfrich, User Experience Designer
    • Frank Hill, Software Engineer
    • Ed MacDonald, Senior Software Engineer
    • Eric Parton, Software Engineer
    • Bill Ponting, Senior Software Engineer
    • Jasdip Singh, Senior Software Engineer
    • Avneet Wadhwani, Senior Software Engineer
  • Matt Rowley, Infrastructure Manager
    • Steve Bambling, Systems Administrator
    • Robert Bellante, Systems Administrator
    • Mike Crossin, Database Systems Administrator
    • David Jeffers, Database Systems Administrator
    • Michael O’Neill, Senior Network Engineer
  • Maureen Seiler, Software Integration (SI) Manager
    • Olivia Bilby, Software Development Engineer in Test
    • Jill Carlson, Senior Software Integration Analyst
    • Nargiza Isaeva, Software Development Engineer in Test
    • Hema Kalathur, Senior Software Development Engineer in Test
    • Kris Langhorn, Senior Software Development Engineer in Test
    • Anna Sargsyan, Senior Software Development Engineer in Test
    • Liang Xu, Senior Software Development Engineer in Test
  • Pete Toscano, Information Systems and Security Manager
    • Octavis Jones, Support Engineer
    • Frankie McDonough, Systems Administrator
    • Steve Scally, Security Engineer

Registration Services Department Staff

The Registration Services Department is responsible for the allocation and assignment of all Internet number resources within the ARIN region. Responsibilities include:

  • IPv4, IPv6, and Autonomous System Number (ASN) registration and transfers
  • Help Desk operation
  • Reverse delegation registration
  • Whois Directory Service
  • Routing Registry Maintenance

Director: John Sweeting, Senior Director of Registration Services

  • Cathy Clements, Transfer Services Lead
  • Lisa Liedel, Registration Services Manager
    • Prabha Bhattarai, Customer Service Resource Analyst I
    • Eddie Diego, Customer Service Resource Analyst II
    • Misuk Kwon, Customer Service Resource Analyst II
    • Mike Pappano, Customer Service Resource Analyst II
    • James Ricewick, Customer Service Resource Analyst II
    • Jonathan Roberts, Customer Service Resource Analyst I
    • Suzanne Rogers, Customer Service Resource Analyst II
    • Shawn Sullivan, Customer Service Resource Analyst II
  • Jonathan Worley, Technical Services Lead

Communication and Member Services Department Staff

The Communications and Member Services Department is responsible for communications and outreach to ARIN’s membership and community, including public relations, general education, and training. It is the focal point for all ARIN communications and provides support to all senior management and departments. The department also facilitates the Policy Development Process and elections, and conducts ARIN on the Road events and the Public Policy and Member Meetings.

Director: Susan Hamlin, Senior Director of Communications and Member Services

  • Jennifer Bly, Public Affairs Specialist
  • Melissa Goodwin, Meeting Planner
  • Sean Hopkins, Policy Analyst
  • Hollis Kara, Communications Manager
    • Tommy Baldwin, Graphic and Digital Media Designer
    • Jason Byrne, Senior Web Content Coordinator
    • Kerry Carmichael, Communications and Technical Writer
    • Beverly Hicks, Training Program Coordinator
    • Kim Kelly, Communications Writer
    • Erin Scherer, Social Media and Outreach Coordinator
  • Wendy Leedy, Member Engagement Specialist
  • Mary Ryan, Meeting Planner

Human Resources and Administration Department Staff

The Human Resources and Administration Department is responsible for providing overall strategic direction for all activities related to acquiring personnel, managing employee compensation, internal company policies, administering payroll and staff benefits, employee training, office management and security, and travel administration.

Director: Erin Alligood, Director of HR and Administration

  • Denise Alston, Receptionist
  • Sarah Ba, Administrative Coordinator
  • Open, Facilities and Administrative Coordinator

Financial Services Department Staff

The Financial Services Department is responsible for accounting, billing, budget management, contract administration, and the legal affairs of ARIN.

Chief Financial Officer: Open

Director: Val Winkelman, Director of Financial Services

  • Tammy Rowe, Accounts Receivable Manager
    • Tanya Gomez, Senior Account Service Representative
    • Amy Sanchez, Senior Account Service Representative
    • Amaris Wang, Senior Collection Specialist
    • Open, Account Service Representative