Brazilian Mission to the United Nations in New York. He was the Brazilian speaker on World Press Freedom Day at UN Headquarters in New York in 2000–2001. Troyjo was a Visiting Professor at RANEPA, the Russian Presidential Academy of National Economy and Public Administration. He was an Advisory Board member of the World Economic Forum Project on Emerging Best Practices of Brazilian Globalizers. He joined the "Leadership for the 21st Century" Program at Harvard Kennedy School. He was a Research Scholar at the Centre d`Études sur l`Actuel et le Quotidien, Université Paris Descartes (Sorbonne) and a member of the International Schumpeter Society. Troyjo has been chosen one of "The Outstanding Young Persons of the World - TOYP" along with Queen Rania of Jordan and robotics scientist Takanori Shibata by the Junior Chamber International during its 2004 World Congress held in Fukuoka, Japan. Troyjo was the winner of the "Latin America Fellowship-2005" awarded by the Rt. Hon Helen Clark, former Prime Minister of New Zealand, and the "Invited Foreign Leader" of Japan Economic Foundation in 2012. Troyjo was a keynote speaker at the Centenary Summit of the International Chamber of Commerce (Paris, 2019). He was elected “Person of the Year in Foreign Trade 2020” by Brazil's Foundation for Foreign Trade Studies (FUNCEX). He is the author of such books as: Deglobalization: Chronicle of a Changing World (2016), Technology & Diplomacy: Challenges for International Scientific and Technological Cooperation, Brazil: Competitiveness in the Global Marketplace, Manifesto of Business Diplomacy, Trading Nation: Power & Prosperity in the 21st Century (chosen by Americas Quarterly as one of the best new books on policy, economics and business in the hemisphere in 2007). Troyjo has been a guest speaker at world-renowned institutions such as Harvard University, Yale University, University of Washington, Columbia University, MIT (Massachusetts Institute of Technology), Cornell University, University of Chicago, Brandeis University, Tsinghua University (China), University of International Business and Economics (China), Fudan University (China), CFAU (China Foreign Affairs University), IE-Instituto de Empresa (Spain), New Economic School (Russia), IVA-The Royal Academy of Engineering Sciences (Sweden), ICRIER-Indian Council for Research on International Economic Relations (India), Hitotsubashi University (Japan), Keio University (Japan), Canon Institute of Global Studies (Japan), Bavarian State Ministry for Economic Affairs and Media, Energy and Technology (Germany), University of Auckland (New Zealand), Canning House (UK), INSEAD (France), Kedge Business School (France), Korean National Diplomatic Academy (South Korea), Seoul National University (South Korea), the