The Knowledge to Act



Thomas Lassourd

Policy Advisor, Tax and Extractives
  • Topics of Expertise

    Tax base erosion and profit shifting in mining

  • Languages





  • Education

    Masters in Analysis and Policy in Economics (2008): Paris School of Economics

    Master of Science in Quantitative Economics and Finance (2007): HEC Paris

Thomas is a policy advisor with IISD’s Economic Law and Policy Program, working on the Secretariat of the IGF’s project to address tax BEPS in mining. He is an economist with more than 12 years of experience analyzing, designing and implementing economic reforms in developing countries. His areas of specialization include public finance and fiscal reforms, with a strong focus on tax policy in extractive industries. As a seasoned researcher, skilled writer and effective communicator, Thomas has experience delivering high-level economic analysis to both policy-makers and grassroots stakeholders. He is a member of the UN Subcommittee for Extractive Industries Taxation.

Thomas’s past experience includes acting as senior economic analyst at the Natural Resource Governance Institute in New York, where he was responsible for delivering high-level technical assistance, capacity building and applied research in fiscal policy for resource-rich developing countries, with a primary focus on the taxation of the petroleum and mineral industries.

All Publications

  • Mining Tax Policy Responses to COVID-19 The COVID-19 pandemic is first and foremost a humanitarian crisis. The level and type of relief required will vary by sector, and company, which is why IGF and ATAF have prepared this guide in English, French, and Spanish for resource-rich developing countries specifically.
  • What Is at Stake for the Mining Sector in the Global Digital Tax Reforms? The OECD/G20 Inclusive Framework on Base Erosion and Profit Shifting (BEPS) is discussing proposals to address the tax challenges that come from a digitalized economy - and which could have implications for mining.