Former Vice Chief of Staff, United States Army
General Jack Keane (Ret.), a four-star general, retired after 37 years of military service culminating in his appointment as acting Chief of Staff and Vice Chief of Staff of the US Army. General Keane is president of GSI Consulting and serves as chairman of the Institute for the Study of War. In 2020, Gen. Keane was presented with the Presidential Medal of Freedom by President Donald Trump.