DONAL O'Brien is a partner at the Chicago office of Bryan Cave LLP, where he focuses his practice on corporate law including mergers and acquisitions, commercial finance and general securities.
He represented American Tower in its $800 million acquisition of ALLTELL cell phone towers, and other recent clients include Barrilla Foods, the Irish Dairy Board and United Shockwave.
In the area of finance, O'Brien has advised financial institutions in numerous secured and unsecured lending transactions.  He also represents foreign investments to and from Ireland.
O'Brien graduated from University College Dublin with honors in history, and received a law degree from Chicago's Loyola University, where he has taught a course in documenting and negotiating finance transactions.
He is a member of the Chicago Bar Association's Judicial Evaluation Committee, a director of the Illinois Chapter of the American Liver Foundation and the founder, director and president of the Ireland Network, North America's largest Irish professional network in North America.
O’Brien emigrated from Dublin in the 1990s.

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