Margaret D. Klein

Margaret DeLuca "Peg" Klein is a former United States Navy officer who held the rank of rear admiral at the time of her retirement in March 2017. She currently serves as the dean of the College of Leadership and Ethics at the Naval War College.

Klein was the 82nd Commandant of Midshipmen at the United States Naval Academy from December 2006 to June 2008 and was responsible for the military and professional development of the Brigade of Midshipmen. She was the first woman to ever hold this position, and by virtue of the position, she was second in command at the Naval Academy after the superintendent. She was nominated for the one-star rank of rear admiral (lower half) on 1 April 2008. Later, she served as the commander of Expeditionary Strike Group Five and then as chief of staff for United States Cyber Command. As her final active duty assignment, Klein was named by U.S. Secretary of Defense Chuck Hagel to serve as his senior advisor for military professionalism on March 27, 2014. She retired from the Navy in 2017.