Retired Gen. Allen joins Brookings

Allen retired from the military after a 37-year career. Following a 19-month stint as the top U.S. general in Afghanistan, he declined a nomination to become as NATO Supreme Allied Commander, Europe, due to his wife’s health concerns.

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His nomination was briefly held up while he was investigated over emails to a Tampa socialite in the scandal that led to former CIA Director David Petraeus’s resignation, but he was cleared of wrongdoing.

Last month, Allen was named a U.S. special envoy to the Israeli-Palestinian process, where he will work with both the State and Defense Department’s on Israel’s security as Secretary of State John KerryJohn Forbes KerryBiden's pick for vice president doesn't matter much Longtime Biden adviser posthumously tests positive for coronavirus The Hill's 12:30 Report: House to vote on .2T stimulus after mad dash to Washington MORE looks to restart the peace process.

He also recently co-authored a paper on Afghanistan along with Brookings senior fellow Michael O’Hanlon and former Under Secretary for Policy Michèle Flournoy, arguing for a bridging force in post-2014 Afghanistan.