Stephanie Tennyson

Government Affairs Lead, IEM

One Concern

Stephanie Tennyson is the Government Affairs Lead for One Concern, a Palo Alto-based company focused on artificial intelligence and machine learning for resilience and disaster management. Stephanie joined the One Concern team in December 2017, and is based in Washington, D.C. Prior to joining One Concern, Stephanie was a career member of the Senior Executive Service, having served as the Deputy Director for External Affairs at the Federal Emergency Management Agency(FEMA)from January 2013 until November 2017. In this capacity she oversaw Congressional Affairs, public Affairs and Strategic Communications, Intergovernmental Affairs, Private Sector engagement, and the External Affairs disaster cadre leading National Response Framework Emergency Support Function (ESF) 15.

Stephanie previously served as the Deputy Assistant Secretary for Intergovernmental Affairs at the Department of Homeland Security. The Office of Intergovernmental Affairs is the Department’s primary liaison to the Nation’s more than 500,000 elected and appointed officials, including Governors, State Homeland Security Advisors and State Emergency Management Directors, Mayors, county executives, state legislators, leadership of the federally-recognized Native American and Native Alaskan tribes, and the national associations that represent these officials. In her capacity as the Career Deputy, Ms. Tennyson oversaw the IGA team, managed the day-to-day office functions, and supervised the coordination and consultation with the Department’s intergovernmental stakeholders. She worked with the Assistant Secretary on information and intelligence sharing initiatives as well as directly supported the Department’s engagement with the Council of Governors.

Prior to joining the Department, Stephanie was the Director of Communications and Government Relations at the Potomac Institute for Policy Studies,a not-for-profit national security, science and technology research institute based in Arlington, Va.From May 2004 to April 2006, Tennyson was the Manager of External Affairs in the Under Secretary’s office at DHS’s S&T Directorate as an Intergovernmental Personnel Act from Potomac Institute. In this capacity, was responsible for outreach to the Directorate’s various stakeholders, and handled various complex S&T policy matters for the Assistant Secretary as well as oversaw the Directorate’s Congressional reporting process.

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