Before his current appointment at the Pentagon, Singh was the Deputy Special Representative for Afghanistan and Pakistan at the Department of State, during which he played a key role in shaping the Af-Pak policy of the Obama Administration. Singh has also served in the Department of Defense as a senior advisor, representing the department in National Security Council policy reviews of Pakistan and the war in Afghanistan and later leading the development of the department's post-2014 strategic approach to South and Central Asia.
Prior to his most recent assignments at the Pentagon, Singh served in the Department of Defense from 2003 through 2007 on a number of defense policy issues, including programs to train and equip foreign military forces, USmilitary counterinsurgency and irregular warfare capabilities, stability operations, disaster response and humanitarian assistance, and the 2005 Quadrennial Defense Review. As a fellow at the Center for a New American Security from 2007 to 2009, Singh published widely on defense strategy, national security policy, and Asia.
Singh lived and worked in Sri Lanka while running a Ford Foundation programme on minority rights and conflict in Bangladesh, India, Nepal, Pakistan and Lanka. He also reported on the Lankan civil war for the Voice of America.
