County Cork LLC

Founded by Robert J. O’Brien Jr., former President of R.J. O’Brien, County Cork is comprised of experienced trading professionals, scholars, and technology specialists focused on seeding and developing futures investment methodologies.

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County Cork LLC
County Cork LLC

Robert J. O’Brien Jr., who established County Cork LLC in 2002, is former President of R.J. O’Brien & Associates, the oldest and largest independent futures broker in the United States. His grandfather founded R.J. O’Brien & Associates (then known as J. V. McCarthy & Company) in 1914, which was a founding member of the Chicago Mercantile Exchange (CME). Robert J. O’Brien Jr.’s father served on the Board and as Chairman of the Board of Governors of the CME and was inducted into the Futures Industry Association Futures Hall of Fame in 2007. For the past 100 years R.J. O’Brien & Associates helped to shape the commodity futures industry and is the only CME founder still in existence. Robert J. O’Brien Jr. brings this tradition of excellence and experience to County Cork and its clients. County Cork is registered with the Commodity Futures Trading Commission (CFTC) as a commodity trading advisor (CTA) and is a member of the National Futures Association (NFA).


Address: 5215 Old Orchard Road, Suite 800, Skokie, IL 60077, USA

Phone: +1 847 324 7392
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