Complex sentence: Ralph Victor Gilles (born 14 January 1970) is a Canadian American automobile designer and was the President and CEO of the SRT Brand and Senior Vice President of Design at Chrysler until being promoted to Head of Design for Fiat/Chrysler in April 2015.
Split into simpler sentences: Ralph Victor Gilles (born 14 January 1970) is a Canadian-American automobile designer and executive. Gilles was the President and CEO of Chrysler's SRT brand and Senior Vice President of Design at Chrysler before being promoted to Head of Design for Fiat Chrysler Automobiles in April 2015.