The Board of Directors of Federal Signal Corporation announced that Dennis J. Martin will retire as the Executive Chairman of the company effective December 31, 2016. Mr. Martin will continue to serve on the Board as its Non-Executive Chairman. Mr. Martin joined the Board of Federal Signal in March 2008 and was appointed as the company's President and Chief Executive Officer on October 30, 2010.  Mr. Martin was named Executive Chairman of the Company on January 1, 2016, when Jennifer L. Sherman succeeded Mr. Martin as the company's President and Chief Executive Officer.