2018 - present
Policy Leaders Fellowship, European
University Institute (EUI), School of Transnational Governance,
Focus: environmental taxation
2018 – present
Muenster University, Germany
-Schumann Fellowship for younger Scholars
-Focus: digital economy
2018 – present
Consultant to the Development Policy and Analysis Division, United Nations
-Lead author of the tax chapter of the World Economic and Social Survey.
-Focus: AI, digital economy, automation of taxes
2018 – present
Visiting Professor, Fundação Getúlio Vargas (São Paulo)
-Long-distance cooperation agreement to promote research on aspects of digitization.
-Focus: taxation of cryptocurrencies, blockchain, financial transactions, impacts in Brazil and other developing countries
2017 – present
Consultant in International Tax Law
-Provides independent expert advice in international taxation to government agencies, NGOs, and members of the industry.
-Consultant at the Vienna Institute for International Dialogue and Cooperation (VIDC) – environmental taxation
-Consultant, International Labour Organization, Global Commission on the Future of Work (impacts derived from digitalization)
-Select government appointments – capacity building – international taxation.
-Capacity Development trainer and tax Expert to Centro Interamericano de Administración Tributaria (CIAT).
-Columnist, Tax Notes International (Thompson Reuters)
2016 -2017
Economic Policy Adviser, United Nations
(fixed-term contract)
-Secretariat of the Tax Committee of Experts
-Lead role co-chairing Subcommittee meetings
-United Nations Tax representative in international tax conferences, academic meetings and professional conferences
-Lead role advising developing and emerging economies; finding compromise solutions with developed countries
-Contributor, co-writer and editor of the 2017 version of the UN Model Tax Treaty, the 2017 Transfer Pricing Manual, and the 2017 Handbook on Extractive Industries
-Author of papers and Articles for consideration of the Tax Committee of Experts
-Lead author of the Development Resource Mobilization chapter, of the Inter-Agency Task Force Report
-Lead fund-raiser at campaign to obtain donations to the work of the Committee of Experts
2014 - 2016
International Policy Manager, International tax policy and controversy department, Ernst & Young
-Managed working groups intended to conceive, draft and implement select tax legislation.
-Liaised public bids with the World Bank, OECD, and with EMEIA countries
-Drafted legislative change in EMEIA countries
-Monitored international tax legislation and forecasted change
-Produced tax leadership policy advise
-Liaised with Regional policy leaders to produce centralised thought leadership
-Lead role building transactional structures with the Brazilian and Latin American desks.
2011 - 2014
Research Fellow, International Bureau of Fiscal Documentation
(fixed-term contract)
-Represented IBFD in international tax conferences
-Worked towards completion of doctoral thesis, sponsored by the IBFD, at Wirtschaftsuniversität Wien (Vienna University of Economics and Business).
-Lecturer at the IBFD Tax Academy
-Capacity development missions in Latin America, Central America and Asia.
-Author of numerous publications
-Speaker at the BEPS Project open Consultation Meetings (numerous topics)
2010 - 2011
Senior Associate, Machado Associados (law firm)
-Launched affiliate office of Machado Associados, in Rio de Janeiro
-Lead acting lawyer in Rio de Janeiro
-Prospected new clients and managed office in Rio de Janeiro
-Focus: oil and gas and infrastructure projects
-Led bid over 1bn USD
2010 – 2011
Tax and Trade Policy Consultant, Intersul, Brazilian Ministry of Foreign Affairs
-Lead policy expert in project for facilitation of commerce between South American countries through integration and harmonization of tax, labour and environmental law.
-Speaker at launch event and regional meetings to harness support from South American countries
-Focus: Tax and Trade Law (WTO)
2009 - 2010
Consultant, Economic Policy, United Nations
(fixed-term appointment)
-Adviser and main contributor to the work of the UN Committee of Experts, secretariat role
-South-south Tax Cooperation Unit Leader
-Contributor to first version of UN Transfer Pricing Manual, Brazilian Expert
-Speaker in UN Subcommittee Meetings
-Author policy and technical papers for consideration of the Committee of Experts
2007 – 2007
Tax Lawyer, Tostes Associados (Law Firm)
Supervised group of 10 employees
Customs, tax and trade focus
Transactional focus.
2002 - 2006
Tax Lawyer, Pinheiro Neto Advogados (Law Firm)
-Focus: Transactional work, mergers and acquisitions, tax restructuring, Public bids, tax audits
-Supervisory role
-Emphasis on oil and gas, and infrastructure projects
-Customs and trade expertise