Frederik Heitmüller

Frederik Heitmüller

This profile is also available in French

Working Paper

Scenarios for Negotiating a UN Framework Convention on International Tax

January 2025
Frederik Heitmüller

Working Paper

The International Tax Regime Complex: Understanding Change in Global Tax Governance

October 2024
Katharina Kuhn, Lucinda Cadzow, Frederik Heitmüller, Martin Hearson, Tovony Randriamanalina

Partner Publication

A Fairer Global Tax Architecture

September 2024
Martin Hearson, Frederik Heitmüller, Mbakiso Magwape, Suranjali Tandon

Working Paper

Inclusive and Effective International Tax Cooperation: Views From the Global South

August 2023
Lucinda Cadzow, Martin Hearson, Frederik Heitmüller, Katharina Kuhn, Okanga Okanga, Tovony Randriamanalina

Working Paper

Tax Treaty Norms Among Lower- Income Countries and the Role of the UN Model: Past, Present and Potential

August 2023
Martin Hearson, Frederik Heitmüller, Vincent Arel-Bundock

Virtual

11 February 2026 – 18:15

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Timezone: Europe/London

ICTD Associate Postdoctoral Fellow Frederik Heitmüller will be speaking at a panel about the tax dispute resolution under the UN Framework Convention on International Tax, hosted by the International Institute for Sustainable Development (IISD).

Virtual

6 February 2026 – 15:30

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Timezone: Europe/London

ICTD Research Director Martin Hearson and Associate Postdoctoral Fellow Frederik Heitmüller will be speaking at the Academic Symposium on the UN Framework Convention on International Tax Cooperation, hosted by the International Tax Program at the NYU School of Law.

Virtual

16 July 2025 – 14:00

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Timezone: Europe/London

Countries around the world are losing billions to illicit financial flows, tax avoidance, tax evasion, and unfair allocation of taxing rights—reflecting a global tax framework which is no longer fit for purpose. The UN Framework Convention on International Tax Cooperation