Thomson Reuters
Former CEO, Chairman, and Co-founder of Chesapeake Energy Corporation McClendon walks through the French Quarter in New Orleans, Louisiana
Former Chesapeake Energy CEO Aubrey McClendon has died in a single car accident.
McClendon was the co-founder of Chesapeake Energy and turned it into the country's second-largest natural gas producer. McClendon was also a key player in the shale boom that has changed the global oil markets over the last decade.
Business Insider took a closer look at the career McClendon built.
Editor's Note: Former Business Insider writer Rob Wile contributed to an earlier version of this feature.