Guglielmo Maisto founded Maisto e Associati in 1991. He is a Professor of international and comparative tax law at the Università Cattolica di Piacenza. He is global President of the International Fiscal Association (IFA), member of the Board of Trustees of the International Bureau of Fiscal Documentation (IBFD) in Amsterdam, a member of the Practice Council of New York University (NYU) Law’s International Tax Program and a member of the Board of the American Chamber of Commerce in Italy. He represents the Italian Association of Industries (Confindustria) at the OECD Business Industry Advisory Committee in Paris. He acted as a consultant to the Ministry for European Community Affairs and was a member of the EU Joint Transfer Pricing Forum. In 2023, he was appointed by the Ministry of Economy and Finance as a member of the Technical Committee established for the implementation of the Italian Tax Reform. He is one of the independent persons of standing eligible as a member of the Advisory Commission provided for in the EU Directive on Tax Dispute Resolution Mechanisms in the European Union. He is a member of several law societies and of the editorial board of various Italian and foreign tax legal journals. He usually participates as a speaker at several annual tax conferences.

As more UK ultra-high-net-worth individuals consider Italy as a destination, the importance of expert, cross-border tax guidance cannot be overstated. With decades of experience advising both national and European institutions, Guglielmo Maisto brings a rare combination of technical excellence and policy insight. His role in shaping Italian and EU tax frameworks places him at the forefront of international tax advisory during a time of significant mobility and reform.