King & Spalding

Mario Leissner

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Mario Leissner is founder and Managing Partner of the Frankfurt office. With 22 years of experience, his practice focuses on investment fund structuring, regulatory law, and international and German real estate transactions. A former General Counsel of the market-leading German institutional real estate fund sponsor OIK, Mario heads the Real Estate and Capital Markets practices in Germany. The immobilienmanager has named him to its Walk of Fame of the 100 most influential heads of the German real estate industry. Mr. Leissner has conducted more than one thousand transactions worldwide – aggregate value in excess of US$ 50 billion. Mario has authored several publications; speaks to industry groups on regulatory, fund and real estate law, transaction matters.