Mário H. Martini has worked for nearly 8 years in the tax department of Brazilian multinational corporations. During that time he has gained experience in international and Brazilian taxation, leading the in-house tax planning and international tax advisory functions. Attorney and accountant in Brazil, with academic background in law, accountancy and finance. Since March 2019, he is pursuing a PhD in the Fiscal Institute Tilburg, conducting his research about Cooperative Compliance, Corporate Governance, Internal Controls and Tax Assurance.