Michael Senn, a local pastor, told WSFA that he spoke to several students who had been on the bus.

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In June, the company's 37 highest-ranking executives participated in a two-day offsite meeting led by Senn Delaney, which included trust-building exercises.

WSJ: Can a New Culture Fix Troubled Companies?

Michael Senn, a local pastor, told CNN affilliate WSFA that he spoke to several students who had been on the bus.

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"He told most of them to get off the bus, " Senn related.

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In a May survey by Senn Delaney, Dynegy executives and middle managers scored low on questions such as whether they felt valued, proud to work there or committed to the company's future.

WSJ: Can a New Culture Fix Troubled Companies?

Since the financial crisis struck in 2008, CEOs have sought to improve collaboration and decision making, recognizing that a strong culture is "a critical component of their long-term success, " says Nick Neuhausel, a partner at consulting firm Senn Delaney, which advised Dynegy.

WSJ: Can a New Culture Fix Troubled Companies?