Commissioner Sommers has worked in the commodity futures and options industry in a variety of capacities throughout her career.

WHITEHOUSE: THE WHITE HOUSE

Since the CFTC oversees the entire commodity futures and options markets in the United States, an understanding of all aspects of these markets, not just forex, is necessary.

FORBES: Working In Finance: 5 Forex Careers

Speculative positions in U.S. gold futures and options as measured by the Commodity Futures Trading Commission are just off the lowest levels seen since at least 2009 according to one survey of managed-money positions by the agency.

FORBES: FOCUS: Gold Not Acting As Safe Haven, Falling With Other Markets In Tuesday's Rout

This tax will hit the options, futures, commodity and FX markets.

FORBES: This Really Is Astonishing About The Financial Transactions Tax

Money managers tracked by the Commodity Futures Trading Commission this month cut their bullish bets on gold futures and options to the lowest level in more than four years.

WSJ: Big Investors Differ on Gold's Prospects