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Tax Practice Advisory Council

The Institute for Austrian and International Tax Law has grown over the years and in the meantime the tax community considers us to be one of the top academic players in tax law. With more than 90 employees on our payroll, and having more than 100 affiliated visiting faculty, at least in terms of people we are the world’s biggest tax law research institution that is part of a university. Our LL.M. and doctoral students come from all parts of the world. This is also true for many of the other researchers at our Institute.

We have now developed our Institute one step further, and would like to introduce our Tax Practice Advisory Council, consisting of leading experts from international tax practice, with whom we can consult on a regular basis. The Tax Practice Advisory Council advises the board of the Institute on strategic decisions, in order to guarantee the Institute’s position as a globally leading academic research facility in the field of tax law. Moreover, it is the purpose of the Tax Practice Advisory Council to provide a link between the Institute and tax practitioners.

The members of the Tax Practice Advisory Council

Alessandro Bucchieri

Dr. Alessandro Bucchieri

Dr. Alessandro Bucchieri is since 2014 Head of Tax Affairs of Enel Group the largest multinational utility by market capitalization in Europe operating in more than 30 countries worldwide. Degree in Economics and Business from the University of Rome “La Sapienza”, Alessandro is qualified as certified public accountant in Italy and is a member of the Italian Institute of Auditors. He joined Enel in 2007 covering different senior and executive positions in Administration Finance and Control function. From 2002 to 2007 Senior Manager of Deloitte & Touche and previously in Arthur Andersen where he started his professional career in 1993. Main focus areas are international taxation and structuring of cross border business combination and complex group reorganization processes.

Paolo Ludovici

Paolo Ludovici

Paolo Ludovici founded L&P - Ludovici Piccone & Partners in November 2014. Previously he worked with Maisto e Associati since its set up and he became partner of the firm in 2000. He advises on all areas of tax law, encompassing all domestic and cross-border tax matters. His expertise includes domestic and international corporate reorganizations, M&A and structured finance transactions, and tax planning for high net-worth individuals and trusts. He often acts as an expert in criminal and tax proceedings. He regularly speaks at tax conferences and lectures in post-graduate specialization courses. Paolo graduated Cum Laude in Business Administration at Bocconi University. He is admitted to the Italian Chartered Accountant Association in Milan.

Guglielmo Maisto

Prof. Guglielmo Maisto

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 President of the Italian Branch of the International Fiscal Association (IFA), member of the Board of Trustees of the International Bureau of Fiscal Documentation (IBFD) in Amsterdam, member of the Advisory Board of the Master of Advanced Studies in International Taxation of the Lausanne University, member of the Practice Council of New York University (NYU) Law’s International Tax Program and 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. 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 speaker at a number of annual tax conferences.

Charlotte Winzer

Charlotte Winzer

Charlotte is Vice President - International Tax Operations at Procter & Gamble, responsible for all tax operations matters outside of North America.

She joined Procter & Gamble in 1991 in the German tax department. During her career, she gained a broad wealth of experience with increasing regional responsibilities. She worked on a multitude of business situations, amongst them the establishment of a centralized supply chain and later a centralized business model in Western Europe as well as many acquisitions and divestitures.

During her career, Charlotte covered all different aspects of taxation including indirect tax, transfer pricing or US direct tax considerations. She also worked on and supervised many complex tax audits specifically in Europe.

Additionally, Charlotte is been active in tax policy matters on a national (Germany/Switzerland) level and as regards on-going international developments.  


Natascha Stornig-Wisek

Natascha Stornig-Wisek is a tax advisor and auditor. She joined LeitnerLeitner in 2010 and became partner in 2016. She provides corporations with comprehensive advice on all aspects of Austrian and international tax law, corporate tax law and accounting. She also specializes in advising public bodies and non-profit organizations. Her expertise in the area of tax incentives for research and development rounds off her professional profile. Natascha graduated in Business Administration at Graz University. Natascha routinely publishes papers and holds lectures on topics related to her specialist fields both in Austria and beyond.