Chris Greer is the Senior Executive for Cyber Physical Systems, the Director of the Smart Grid and Cyber-Physical Systems Program Office, and the National Coordinator for Smart Grid Interoperability at the National Institute of Standards and Technology (NIST). His responsibilities include promoting the emergence of a globally interoperable Internet of Things and coordinating the development of a national framework for smart grid interoperability. Prior to joining NIST, Greer served as the Assistant Director for Information Technology Research and Development (R&D) in the White House Office of Science and Technology Policy and the Cybersecurity Liaison to the National Security Staff. His responsibilities there included networking and information technology research and development, cybersecurity, and digital scientific data access. He has also served as the Director of the National Coordination Office for the Federal Networking and Information Technology Research and Development Program, which coordinates information technology R&D investments across the federal government.