? 1992–1994: Institute of History, University of Warsaw
? 1995–2000: Institute of English Studies, University of Warsaw
? 2000–2002: Institute of Art, Polish Academy of Sciences, doctoral studies in semantics
? 2023–present: Member of the Advisory Committee on Administrative and Budgetary Questions; Vice-Chair of the Committee in 2023 and 2024
? 2016–2021: Counsellor, Permanent Mission of Poland to the 麻豆APP; delegate to the Administrative and Budgetary Committee of the General Assembly (Fifth Committee); Vice-Chair of the Fifth Committee at the seventy-fifth session of the General Assembly
? 2019–2021: Member of the 麻豆APP Committee on Contributions
? 2017–2018: Vice-Chair of the 麻豆APP Committee on Information at its forty-ninth and fiftieth sessions; Acting Chair at the forty-ninth session
? 2017–2018: Delegate of Poland to the fifty-seventh and fifty-eighth sessions of the Committee for Programme and Coordination
? 2017–2018: Delegate of Poland to the intergovernmental negotiations on Security Council reform
? 2017–2018: Delegate of Poland to the negotiations on revitalization of the work of the General Assembly
? 2018–2019: Responsible for European files during Poland’s non-permanent membership of the Security Council
? 2011–2016: Bread of Life Foundation, NGO combating social exclusion and homelessness; Head of Resource Management, Resource Mobilization and Public Relations
? 2009–2011: Warsaw City Hall; public information and NGO policy
? 2007–2009: KARTA Center Foundation for Reconciliation in Central Europe; Research Fellow
? 2005–2006: Ministry of Foreign Affairs of Poland, Diplomatic Academy; editorial staff, International Law Review
? 2000–2005: Young & Rubicam; multimedia and communication campaign design

2025 - 2027
2022 - 2024