Sobotka is cutting a higher profile now, if only because Entergy-Koch's rivals have fallen so far.

FORBES: Revenge of the Wallflower

Sobotka has a higher profile now, if only because Entergy-Koch's rivals have fallen so far.

FORBES: Revenge of the wallflower

David Sobotka, president of the operation, is a 45-year-old commodities trader who learned his craft at Lehman Brothers in New York instead of in the oil patch.

FORBES: Revenge of the Wallflower