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Guilhèm specialises in international and corporate tax law. He has substantial experience on the tax aspects of cross-border private equity, real estate and debt investments and on the structuring of regulated and unregulated investment funds. He also advises on the tax aspects of corporate restructurings, securitisation and capital markets transactions. 

He is a member of the International Fiscal Association (IFA) in Luxembourg and France.

Prior to joining Allen & Overy in 2018, he gained significant experience in a major Luxembourg law firm and a major independent tax firm in Luxembourg.

Guilhèm holds a Master’s degree in business law from the Université Toulouse 1 Capitole (France) as well as a Specialised Master in International Law and Management from HEC Paris (France).