Elbridge A. Colby

Elbridge Colby is co-founder and principal of The Marathon Initiative, a policy initiative focused on developing strategies to prepare the United States for an era of sustained great power competition. From 2018-2019, Colby was the Director of the Defense Program at the Center for a New American Security, where he led the Center’s work on defense issues. Before that, he served as the Deputy Assistant Secretary of Defense for Strategy and Force Development from 2017-2018. In that role, he served as the lead official in the development and rollout of the Department’s 2018 National Defense Strategy.