John Nagl

John A. Nagl (born 1966) is a retired Lieutenant Colonel in the United States Army. He is a former president of the Center for a New American Security and former headmaster of The Haverford School. Nagl is an expert in counterinsurgency and has published two books on military strategy.

John Nagl

John A. Nagl (born 1966) is a retired Lieutenant Colonel in the United States Army. He is a former president of the Center for a New American Security and former headmaster of The Haverford School. Nagl is an expert in counterinsurgency and has published two books on military strategy.