Phil DeCola is the Chief Science Officer of Sigma Space Corporation in Lantham, Maryland. Previously, he was a Senior Policy Analyst with the Energy and Environment Division of the White House Office of Science and Technology Policy in Washington, D.C. Before joining OSTP, he served as Lead Scientist for Atmospheric Composition in the National Aeronautics and Space Administration's Science Mission Directorate Earth Science Division. His career in NASA focused on scientific applications of space-based remote-sensing of Earth's atmosphere, land, and oceans for advancing Earth system science and global change research. Dr. DeCola was co-Chair of the US Group on Earth Observations and led the USGEO assessment and planning of research and observational needs for quantifying environmental services and improving resource management. He has served as lead scientist for US Government delegations to the Intergovernmental Panel on Climate Change, has been the US science focal point for IPCC since 2003, and has worked on the IPCC scientific assessments since 1994.