Renewables finally had a seat at the adults’ table, it seemed, and who better to represent this upstart industry than Ahmad Chatila, SunEdison’s charming Lebanese-American chief executive?

After taking the reins in 2009, Chatila transformed SunEdison from a maker of silicon wafers into the world’s most aggressive and exciting international solar developer. Last year, the Missouri-based company embarked on one of the wildest acquisition sprees the renewables business had ever seen, and investors were swooning.

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