WARRENVILLE, Ill. — Navistar International Corp. has announced that retired General Stanley A. McChrystal, one of the nation’s most accomplished military leaders, has been named to its board of directors, effective immediately.

The selection of Gen. McChrystal increases the number of Navistar board members to 11. He was appointed to be a member of the board’s finance committee.

Gen. McChrystal, 56, is a 34-year U.S. Army veteran of multiple wars. He commanded the U.S. and NATO’s security mission in Afghanistan, served as the director of the Joint Staff and was the Commander of Joint Special Operations Command, where he was responsible for the nation’s deployed military counter-terrorism efforts.

Gen. McChrystal is a graduate of the United States Military Academy at West Point, the United States Naval Command and Staff College and was a military fellow at both the Council on Foreign Relations and the Kennedy School of Government at Harvard University.

Currently, the General is a member of the board of directors of JetBlue Airways Corp. He is also teaching a seminar on leadership at the Jackson Institute for Global Affairs at Yale University and serves alongside his wife, Annie, on the board of directors for the Yellow Ribbon Fund, a non-profit organization committed to helping wounded veterans and their families.

“We are fortunate that Gen. McChrystal is joining the Navistar board of directors,” said Daniel Ustian, Navistar chairman, president and CEO. “His years of military leadership and service will be of great value to Navistar as we further expand our global and military businesses.”