For more than 17 years, Attorney Stefan Winheller has been specializing in the law of nonprofit organizations. He advises and represents nonprofit associations, trade and professional associations, nonprofit limited liability companies, foundations and other nonprofit organizations, particularly religious bodies. He supports wealthy private individuals in Germany and abroad, companies and the public sector in the establishment of foundations as well as in estate and business succession planning.
In addition, he supports companies and entrepreneurs, especially those with blockchain-based business models, in establishing a tax-optimized asset and business structure (foundation models, foundation holdings, GmbH holdings, asset protection) and in international tax law regarding questions on international tax structuring and optimization.
Stefan Winheller is regularly publishing articles in specialist books and magazines on his areas of expertise. He is the initiator and co-editor of the first commentary on nonprofit law published by the renowned German legal publishing house Nomos. Furthermore, he works as a lecturer and speaker, e.g. for the Abbe Institute for Foundation Studies at the University in Jena. He is also a lecturer at the University of Münster for the master's degree in “Nonprofit Management and Governance”.
Stefan Winheller volunteers as chairman of the foundation board of the charitable Karg Stiftung, which is dedicated to the promotion of highly gifted children and adolescents. In addition, he is a business angel and early investor for startup companies, especially in the tech sector. For more than seven years, he has been CEO of the American nonprofit organization American Friends of Germany, Inc., which supported German nonprofit organizations in their fundraising activities in the USA until the end of 2012.
As founder, sole shareholder and managing partner of WINHELLER, Stefan Winheller is in charge of the strategic direction and development of the law firm. He is married and has three children.