Jakub Chmielewski
- 1992-1994: Institute of History, University of Warsaw
- 1995-2000: Institute of English Studies, University of Warsaw
- 2000-2002: Polish Academy of Sciences, Institute of Arts (doctoral studies in semantics)
- 2016-2021: Counsellor, Mission of Poland to the United Nations, Administrative and Budgetary Committee of the General Assembly (Fifth Committee), Vice-Chair for UNGA 75th
- 2019-2021: member of the United Nations Committee on Contributions
- 2017-2018: Vice-Chair of the United Nations Committee on Information (49th and 50th sessions, acting Chair for 49th Session)
- 2017-2018: delegate of Poland to 57th and 58th sessions of the Committee for Programme and Coordination
- 2017-2018: delegate of Poland to Intergovernmental Negotiations for Security Council Reform
- 2017-2018: delegate of Poland to negotiations on Revitalization of the work of the General Assembly
- 2018-2019: in charge of European files during Poland’s non-permanent membership in the Security Council
- 2011-2016: Bread of Life Foundation (NGO combating social exclusion and homelessness), head of resource mobilisation public relations
- 2009-2011 Warsaw City Hall, public information and NGO policy
- 2007-2009 KARTA Center Foundation for Reconciliation in Central Europe (NGO), research fellow
- 2005-2006 Ministry of Foreign Affairs of Poland, Diplomatic Academy, International Legal Review editorial staff
- 2000-2005 Young&Rubicam, multimedia and communication campaigns design
Poland
2025 - 2027
2022 - 2024