GEN John M. “Jack” Keane (Ret.) has served as a director of SIGA since March 2025.

GEN Keane is the Chairman of the Institute for the Study of War since 2007 and President of GSI, LLC, a consulting firm, since 2004. Prior to retiring from a 37-year career in the U.S. Army at the rank of General, GEN Keane served as its Vice Chief of Staff from 1999 to 2003.

In addition to SIGA, GEN Keane has served on the board of directors of IronNet, Inc., General Dynamics Corp., and MetLife.

GEN Keane holds a B.S. degree in accounting from Fordham University and a master’s degree in philosophy from Western Kentucky University. He is a graduate of the Army War College and the Army Command and General Staff College. Among his numerous awards, General Keane was the first military leader to be honored with the Ronald Reagan Peace Through Strength Award at the Reagan Library and is a recipient of the Presidential Medal of Freedom.