Complex sentence: Gerald J. Roper (September 10,1940--June 29,2015) was the President and CEO of the Chicagoland Chamber of Commerce located in Chicago, IL from 1993 until 2013.
Split into simpler sentences: Gerald J. Roper (September 10,1940--June 29,2015) is the former President and CEO of the Chicagoland Chamber of Commerce located in Chicago, IL. Roper was President and CEO of the Chamber from 1993 until 2013.