CACI International Inc. announced that Dr. J. Philip (Jack) London, CACI Chairman of the Board and Executive Chairman, who had served as Chairman, President, and Chief Executive Officer for 23 years, and Executive Chairman since 2007, has passed away at the age of 83. To effectuate a seamless transition, CACI’s Board of Directors elected Michael A. Daniels as Chairman of the Board of Directors. Mike will support President and Chief Executive Officer John Mengucci in continuing the Company’s trajectory.