Enron
After graduating from Vanderbilt University, he began his career as a trader at Enron. After initially working on the Crude Oil desk, Arnold moved over to the Natural Gas Desk upon the departure of Jeff Bussan. Using their new Internet-based trading network, EnronOnline, he is credited with making three quarters of a billion dollars for Enron in 2001 and was rewarded with an $8 million bonus. One of his former colleagues dubbed him "the king of natural gas."
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