Mr. Michalčík holds a LL.M. degree in international legal studies from American University Washington College of Law (2008) and Mgr. degree in law and legal science from the Faculty of Law, Masaryk University in the Czech Republic (2002). Mr. Michalčík also earned certificates in conflict analysis and governance at USIP Academy for International Conflict Management and Peacebuilding, Washington D.C. (2009).

Since 2015 Mr. Michalčík works as an Of-Counsel at EZC in the areas of international and foreign law, ESG standards, sustainability and conflict prevention.

Between 2012 and 2015 Mr. Michalčík co-founded a legal consultancy focused on ESG standards in projects (Environment, Social and Governance), also worked as a legal advisor on governance, conflict prevention and extractive industries in projects implemented by USAID and Development Alternatives Inc. in Peru. In 2009-2011 Mr. Michalčík worked as a Research Scholar-in-Residence at American University Washington College of Law, Washington D.C., where he focused on regional legal systems in Europe, Latin America, Africa and Asia. Mr. Michalčík also worked as a legal advisor and programs officer in various research institutes and think-tanks in international relations based in Washington D.C. and Germany, including Institute for Multi-track Diplomacy, European Centre for Minority Issues y Environmental Law Institute.

Mr. Michalčík edited research reports and legal briefs submitted to agencies and legal departments of the United Nations, American Bar Association, and the World Bank Group. Mr. Michalčík authored analytical presentations and publications on public policies of the rule of law, conflict prevention, International law, and good corporate practices in the application of ESG standards in extractive industries and the financial sector, which he presented at Columbia University (New York City), George Mason University, American Bar Association, Woodrow Wilson Center for International Scholars (Washington D.C.), and Peruvian universities including Universidad San Martín de Porres, la Pontificia Universidad Católica del Perú y la Universidad Nacional Mayor de San Marcos.

In 2016 Mr. Michalčík developed an academic course on the law of treaties for the Faculty of Law and Political Science, Universidad Nacional Mayor de San Marcos. Between 2014-2015 Mr. Michalčík contributed as a member to a multisectorial working group comprised of technical experts from various ministries of the Peruvian government, which focused on international legal standards and public policies of vulnerable groups.