Glenn S. Kolleeny is Senior Counsel of Dentons Europe and has more than 30 years experience as a corporate lawyer. Prior to becoming Senior Counsel, Glenn was a partner of Dentons from its foundation in 2013 until 2021. Prior to Dentons, Glenn was a partner of Salans from 1998 to 2013, and a member of Salans’ Global Board from 2010-2012.

Glenn graduated with honors from Columbia Law in 1982, and worked at Cleary Gottlieb Steen & Hamilton, Chase Manhattan Bank, Dresdner Bank, ABN AMRO Bank, and AIOC Corporation before joining Salans as partner on July 1, 1998.

Glenn specializes in international trade and commodities finance (metals, oil products and agricultural products), corporate finance, mergers and acquisitions, and private equity. Glenn has been recognized as a leading corporate and M&A specialist and has completed more than $10 billion of M&A transactions. Glenn was described by Legal 500 as a lawyer who "makes deals happen" according to his clients.

Glenn’s clients include financial institutions, private equity funds, and multinational corporations. Glenn is fluent in French and Russian as well as his native English, and has a working knowledge of German, Netherlands and Spanish. 

Since 2016 Glenn has been a non-executive director of private and publicly traded companies in several jurisdictions and is currently a member of the board of directors of Mirland Corporation, a Cyprus company traded on the Tel Aviv stock exchange. Since 2018, Glenn also advises clients on wealth management and protection, including establishing trusts and private foundations in a variety of jurisdictions.