The role of the broker has changed somewhat over the years, notes Jeff Rosenzweig, managing director at New York-based energy broker Evolution Markets. With companies becoming ever-more knowledgeable about risk management and trading, the old role of broker as educator to energy market participants is less called for these days.

Now, says Rosenzweig, “the most important qualities of any broker are to think like a trader, remember your customer’s interest, calculate spreads and values on the