John Springs Stafford founded Zen Investments LLC and Ronin Capital LLC. Presently, he holds the position of Chief Executive Officer of Ronin Capital LLC.
He is also on the board of Aware, Inc. (Massachusetts) (former Chairman), Clinical Micro Sensors, Inc. and Zipwhip, Inc. and Member of Cboe Exchange, Inc. (Illinois) and Member of Chicago Board of Trade.
In the past Mr. Stafford held the position of Managing Director at Stafford Trading, Inc., Chief Executive Officer for Ronin Trading LLC and Member of Chicago Mercantile Exchange, Inc.
John Springs Stafford received an undergraduate degree from The University of Chicago.