Guy Debelle quits Fortescue as company’s third high-level resignation in a week

Former RBA deputy governor's exit comes days after the mining group's CFO and chief executive departed

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Guy Debelle, the former Reserve Bank deputy governor, has left Fortescue after just 17 months, hastening a leadership crisis that includes three prominent departures from the mining company this week.

Debelle's resignation from his role as a director of Fortescue's clean energy business comes days after Fiona Hick, the chief executive of Fortescue's mining business, abruptly left after six months in the role.

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