Harris Brumfield

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Harris Brumfield
Harris B.jpg
Location Chicago, IL

Harris Brumfield is a futures trader, technology executive and entrepreneur who is the majority owner of Trading Technologies (TT), a privately held Chicago-based software vendor of professional trading software. Brumfield previously served as TT's CEO for more than 10 years, and named former chief technology officer Rick Lane as CEO in February 2014. He then named Lane to replace him as chairman in December 2018 as well.[1][2][3]


Brumfield has more than 30 years experience in the trading industry. He began as a trading floor runner at the Chicago Board of Trade. He then became a broker's assistant and spent 10 years as a floor trader at the CBOT until 1997. His trading success allowed him to invest in other ventures including a medical device company in San Francisco where he learned about patents and Trading Technologies.[4] He traded electronically for six years.

When Brumfield moved from the CBOT trading floor to trade on the screen, he selected Trading Technologies' X_TRADER® platform as his front-end trading interface.

After using TT's software for more than a year, Brumfield became an investor in TT. He has contributed to the design of many of the key features of TT's products, including the graphical user interface, MD Trader. He became the CEO of TT in January of 2003.[5]

TT had been awarded multiple patents from the U.S. Patent and Trademark Office for its MD (Market Depth) Trader concept and subsequently earned patents from the U.K. Patent Office. The paperwork was also started on around 80 other patents.

In late 2004, Brumfield proposed to give all TT’s current and future intellectual property to the industry for free if the exchanges would pay TT 2.5 cents on every trade—permanently.[6]

Brumfield was named to the 40 under 40 list of Crain's Chicago Business when he was 39 years old.[7]


Brumfield holds a bachelor of business administration degree in banking and finance from Mississippi State University.


  1. Management Profiles. Trading Technologies.
  2. Trading Technologies Appoints CEO Rick Lane as Chairman of the Board. Trading Technologies.
  3. Tech chief replaces Brumfield as CEO of Trading Technologies. Crain's Chicago Business.
  4. Harris Brumfield. Crain's Chicago Business.
  5. "Against The World". Trader Monthly.
  6. "Patent Power: FI Interviews Harris Brumfield on His Patent Plan". FI Magazine.
  7. HARRIS BRUMFIELD, 39. Crain's Chicago Business.