Marshall S Billingslea

Marshall S Billingslea is a Senior Fellow at the Hudson Institute, where he has led research on illicit finance, arms control, and national security since 2021. He currently serves as a key advisor on transatlantic security and counter-proliferation strategies.

Prior to joining Hudson, Mr Billingslea served as the Special Presidential Envoy for Arms Control at the US Department of State (2020–21), holding the rank of Ambassador. Between 2017 and 2020, he was the Assistant Secretary for Terrorist Financing at the US Department of the Treasury. In 2018, he was elected President of the Financial Action Task Force (FATF) and co-chaired the global Counter-ISIS Finance Group.

His extensive career in public service includes serving as the Deputy Undersecretary of the Navy and as NATO’s Assistant Secretary-General for Defense Investment (2001–09). Earlier, he was the Senior Professional Staff Member for National Security Affairs on the Senate Foreign Relations Committee (1995–2001). Between his government terms, he spent over eight years in the private sector.

Mr Billingslea has been honoured with the Defense Medal for Distinguished Public Service, the Treasury Medal, and the Navy Distinguished Public Service Medal.