The Senate Agriculture Committee has released the list of witnesses for a hearing Tuesday on high-frequency and automated trading in the futures market.

The witnesses will be Vince McGonagle, director of the division of market oversight at the Commodity Futures Trading Commission, Terrence Duffy, executive chairman and president of the CME Group in Chicago, and Andrei Kirilenko, a professor of the practice of finance at the MIT Sloan School of Management in Cambridge, Mass.