John W. O'Brien, Sr.

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John W. O'Brien, Sr.
John O'Brien, Sr..jpg
Employer R.J. O'Brien
Location Chicago area

John W. O'Brien, Sr. was a board member, former chairman and CEO, and founding family member of RJ O'Brien.[1] He passed away in July 2022 at the age of 68.

He was named the CEO of R.J. O'Brien in 1986 and chairman in 2000 of the firm his grandfather, John V. McCarthy, founded in 1914. He followed in the footsteps of his brother, Robert J. O'Brien, Jr., and his father, Robert J. O'Brien, Sr., in running the company.

John W. O'Brien was the architect of the RJO renaissance that began when he assumed the CEO position in the 1980s and laid the foundation for the global firm.[2]

Background[edit]

From 1977 – 1986 he was an RJO floor broker as well as a long-time successful proprietary trader, trading cattle, gold and S&P 500 futures. From 1985 - 2022 he was a member of the board of directors of R.J. O'Brien. He was CEO from 1986 – 2000 and chairman from 2000 – 2007.

Education[edit]

He graduated from St. Norbert College in De Pere, Wisconsin.

References[edit]

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[[Category::Former R.J. O'Brien Employees]]