Insights from 2025 International Tax Author Award Winners by Bloomberg Tax

Celebrating Excellence in International Tax Authorship

On October 9, 2025, Bloomberg Tax & Accounting held a significant event in Lisbon, Portugal, where they presented the 2025 Author Awards for International Tax at the International Fiscal Association Congress. This prestigious recognition highlights outstanding contributions and authorship within the realm of international taxation, showcasing the dedication and expertise of its winners.

Among the awardees, Jonas Sigrist distinguished himself as the International Tax Portfolio Author of the Year, recognized for his notable work on Bloomberg Tax Portfolio 7380, which focuses on Business Operations in Switzerland. Since his engagement began in 2022, Sigrist has enhanced this portfolio with practical analyses that are invaluable for tax practitioners navigating the complexities of Switzerland's tax landscape. His updates include a thorough evaluation of pivotal Supreme Court rulings and significant cantonal taxes, along with a fresh discussion about Pillar Two, which emphasizes discrepancies between the Global Anti-Base Erosion (GloBE) rules and Switzerland’s local corporate tax system. Sigrist's expertise stems from his role as a Partner and Head of the Tax Practice at Pestalozzi in Zurich, and his contributions provide subscribers with authoritative guidance.

The title of International Tax Contributing Author of the Year was shared by Jorge Correa and Susana J. Avalos Trujillo, both recognized for their in-depth exploration of VAT requirements and associated risks in Mexico. Their collaborative work this year has broadened its scope significantly, touching on critical details such as registration requirements, expiry of special tax rates for border regions, and updated content regarding digital platform withholding rules. Their expert insights not only clarify the intricate VAT landscape in Mexico but also position readers to better manage compliance strategies while minimizing audit exposure. Correa serves as a partner at Creel in Mexico City, while Avalos Trujillo is an associate at the same firm.

Meanwhile, Ernest Mazansky and Kyle Fyfe were awarded International Tax Contributing Authors of the Year for their comprehensive analysis encapsulated in the Country Guide South Africa. Their work dives into the intricacies of Pillar Two and discusses South Africa's adaptation of these international rules while highlighting critical deviations from the OECD model guidelines. They also illuminate pertinent details surrounding accounting standards and administrative protocols, allowing Bloomberg Tax subscribers to adeptly navigate the complexities of the South African tax system while fulfilling their compliance obligations effectively. Both Mazansky and Fyfe are directors at Werksmans in Johannesburg.

Evan Croen, head of Bloomberg Tax & Accounting, emphasized the brilliance and practical insights exhibited by the award winners, asserting that they embody the essence of Bloomberg Tax’s commitment to delivering precise and intelligent tax guidance. He stated, "Our 2025 Author Award winners exemplify the rigor and practical insight that define Bloomberg Tax content. Jonas, Jorge, Susana, Ernest, and Kyle bring deep expertise and real-world perspective to their work, ensuring our customers can confidently navigate shifting international tax frameworks with clarity and precision.''

In a rapidly evolving global tax landscape, having access to expert analyses such as those provided by the award winners is invaluable for both practitioners and corporations. Their contributions are essential in allowing professionals to stay ahead of changes and challenges within international tax structures.

To stay updated with the latest developments in international tax, visit the Bloomberg Tax website and explore their comprehensive range of solutions designed for tax professionals facing complex issues. This combination of cutting-edge insights and practical approaches helps mitigate risk and enhance business results, thereby underpinning the importance of high-caliber authorship in the field of tax and accounting.