Guillaume Kellner
Guillaume Kellner focuses his practice on mergers and acquisitions, private equity, and securities law. He advises investment funds as well as strategic clients on their acquisition, leverage buyouts, and build-up transactions as well as their reorganization both in France and internationally.
Securing Strategic Sectors: Insights from McDermott’s Defense & Essential Infrastructure Roundtable
By Bertrand Delafaye, Romain Desmonts, Guillaume Kellner, Charlotte Michellet, Sabine Naugès and Romain Perray on Nov 14, 2025
Posted In France
In October 2025, McDermott Will & Schulte hosted its Defense & Essential Infrastructure Roundtable, convening leading voices from across government, industry, and finance to discuss the challenges facing Europe’s most sensitive sectors. The session featured insights from McDermott partners Sabine Naugès, Bertrand Delafaye, Charlotte Michellet, Guillaume Kellner, Romain Desmonts and Romain Perray, who examined how organisations can...
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