Tom Armstrong, an AMS Member, is Director of National Coordination for the US Global Change Research Program within the White House Office of Science and Technology Policy. The US Global Change Research Program has a $2.6 Billion annual budget across the thirteen Federal agencies focused on understanding and responding to global change and its impacts. Dr. Armstrong also serves as the Vice Chair for Adaptation Science on the USGCRP Subcommittee on Global Change Research. Prior to joining OSTP in 2011, Dr. Armstrong served as the Department of the Interior's Senior Advisor for Climate Change and he has been a key figure in the implementation of Secretary Salazar's Executive Order on climate change (S.O. 3289), as well as in the development of the Department's climate change-related policies, organizational elements, and budget strategies. Prior to that, Dr. Armstrong was the Principal for DOI to the United States Global Change Research Program. Some of his other responsibilities have included serving as the Senior Advisor for Global Change Program at the US Geological Survey, the DOI lead for the World Climate Conference, the United States Head of Delegation for the Arctic Monitoring and Assessment Programme, Associate to the Chair for development of the Committee on Earth Observation Satellites response to Global Climate Observing System Implementation Plan, a United States delegate for the United Nations Framework Council on Climate Change, advisor on DOI's International Polar Year activities, a DOI principal to the CEQ-OSTP-NOAA Climate Change Adaptation Taskforce, and as Chair of the Science Committee for the Department of the Interior's Climate Change Task Force. Dr. Armstrong has also participated in numerous testimonies and briefings to various Congressional Committees and high-level briefings for DOI at various international forums regarding climate change, adaptation and circum-Arctic activities.