Brien M. O'Brien

O'Brien, Brien M.

Brien M. O’Brien has 30 years of investment experience and serves as Chairman
and CEO of Advisory Research, Inc. (ARI). Prior to joining ARI, he was the
Founder of Marquette Capital, an investment advisory firm that merged with ARI
in 1996. A former Vice President at Bear Stearns, he began his career with
Oppenheimer & Co. He is a member of the Board of Trustees of Boston College, a
member of the Board of Trustees of the University of Chicago Medical Center and
a member of the Board of Trustees and Chairman of the Endowment Committee of the
Westminster School in Simsbury, Connecticut. He graduated with honors from
Boston College with a BS degree in Finance and Theology.