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If you are passionate about tax and want to share your expertise with tax professionals worldwide, we welcome you to join our community of international tax contributors.






Our global network of dedicated authors and contributors is vital to ensure our readers have the latest information in all areas of cross-border taxation. We work with tax lawyers, academics, private practitioners, tax advisors and officials in international and governmental organizations from all over the world.




  • Gain broad exposure in the international tax world.
  • Contribute to the most comprehensive knowledge base in international taxation.
  • Work on publications known for their high quality, objective analytic reporting, reliability and global reach.
  • Benefit from association with an independent organization with a long-standing reputation for excellence.
  • Get free access to online collections on our Tax Research Platform.
  • Receive financial compensation and discounts on books and courses.



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Journal Articles & Opinion Pieces

Our journals and collections of articles and opinion pieces cover a wide range of tax topics. Find out how you can contribute.

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Our books cover a wide variety of topics and are published in print and electronic formats. Submit your book proposal today.

News & Online Collections

We rely on local experts to report on current developments and keep our information up to date. Get in touch to get involved.

Meet the Author

Gyöngyi Antal Siklósiné 

Gyöngyi Antal Siklósiné


Gyöngyi Antal Siklósiné is the Head of the International Taxation Division of the Ministry of Finance of Hungary. She specializes in direct tax and international tax issues and has been awarded various prizes for her accomplishments.

Holding degrees in both law and economics, Ms Antal is a chartered accountant, tax adviser and certified tax expert in international taxation. She is the Vice-President of the Hungarian Association of Certified Tax Experts (MOKLASZ) and Deputy Vice-President of the European Tax Adviser Federation (ETAF). She is the Hungarian delegate in various OECD and EU working groups and leads the Hungarian tax treaty negotiating team.

Ms Antal regularly lectures at tax conferences, Hungarian tax training centres and the tax authority and has written numerous publications on various tax topics. She authors IBFD’s Country Tax Guides on Corporate and Private Investment Income and is the correspondent for our Tax News Service and Tax Risk Management tables with regard to Hungary.

Interested in learning more about how to contribute? Get in touch.

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