International Society of Primerus Law Firms
Stefan  Winheller
Practice Areas:

Frankfurt Attorney
Stefan Winheller

Phone: +49 69 76 75 77 80


Languages: German, English

German Attorney at Law, LL.M. Tax (USA), Certified Tax Law Specialist

As Certified Tax Lawyer Atty. Stefan Winheller mainly advises German and US charitable organizations and foundations on Tax Law, the Law of Nonprofit Organizations as well as the Law of charitable giving and international grant-making. Highly experienced in the non-profit field, Stefan Winheller is a legal and tax counsel for major non-profit organizations in and outside Germany. Specifically, he accompanies foreign charities as to setting up branches or subsidiaries in Germany. Stefan Winheller also advises national and international high net-worth individuals when it comes to establishing foundations or to handling the succession of companies and assets. In addition, he gives internationally operating businesses advice on questions of International Tax Law, tax planning and optimization.

Stefan Winheller studied law at the Universities of Heidelberg, Bielefeld, Speyer and Cologne with a major in tax law. After being admitted to the German Bar, he completed his postgraduate studies in US tax law as a merit scholarship recipient at Golden Gate University, San Francisco and received his LL.M. in Taxation degree “with honors”. During his stay abroad Stefan Winheller did intensive studies on the Law of Taxation of US nonprofit organizations and foundations as well as on issues of International Tax Law. In his dissertation-thesis in process he examines the differences and similarities of the nonprofit tax laws in Germany and the US. Stefan Winheller is one of the founders and the current CEO of American Friends of Germany, Inc., a US-based charity that supports German charities in their fundraising efforts in the US.

Stefan Winheller has published numerous articles. He regularly gives lectures and is a sought-after speaker in his fields of speciality. He is the founder and the managing partner of WINHELLER Attorneys at Law and as such in charge of the strategic and international development of the firm.

Areas of Practice:

  • Nonprofit Tax Law
  • The Law of Foundations
  • Nonprofit Limited Liability Co.
  • Fundraising in the USA
  • Asset Management & Protection
  • International Tax Law

Associations & Volunteering:

Member of the German-American Lawyers’ Association (task force “Law of Taxation”), CEO of American Friends of Germany, Inc., USA, Member of the Steuben-Schurz Society, Member of the German Attorneys’ Association, Member of the Institute of Tax Advisers in Hesse, Germany, Member of the New York State Bar Association.

Articles & Publications:

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WINHELLER Attorneys at Law & Tax Advisors

Tower 185
Friedrich-Ebert-Anlage 35-37
D-60327 Frankfurt am Main

Law Firm Contact: Stefan Winheller

Tel: +49 69 76 75 77 80

Fax: +49 69 76 75 77 810



Member Since: 2010

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