Krzymowski participated in the strategic processes concerning Poland's membership in the
European Union, the
North Atlantic Treaty Organization, and the
Middle East. From 1998 to 2008, he worked at the Office of the Committee of European Integration, where he rose through the ranks to become the Chief Specialist. In these time, he participated in several conferences, including on the Future of North Atlantic Security Strategic Imperatives, on the invitation of
NATO Supreme Allied Commander Atlantic (2000,
Reykjavik); European Armament Industries, ESDP, and Transatlantic Cooperation (2001, Paris); the EU and NATO-Practical Progress and Prospects, on the invitation of the Royal Institute of International Affairs (2001,
London); Atlantic Partner or Regional Player? Europe's Security and Defence Policy after
11 September (2001,
Paris); the Common Foreign and Security Policy of the EU, (2001, Paris); NATO's Research & Technology Organization on Real-Time Intrusion Detection, (2002,
Estoril); Dual Enlargement: Security Policy Implications (2004,
Tallinn); Economic Dimensions of Defence Institutions (2004,
Berlin), both on the invitation of the
George C. Marshall European Centre for Security Studies. From 2006 to 2007, he was a member of the Governmental Team for the National Security Strategy of Poland. In the years 2008–2015, he worked at the Chancellery of the Prime Minister of Poland in the Office of the Prime Minister's Plenipotentiary for International Dialogue., where he was promoted to the position of Counsellor to the Prime Minister. In 2008, he represented his country in the first governmental-parliamentary delegation to the
European Space Agency in Paris, leading Poland to join that organisation. From 2 March 2011 to 31 July 2015, he was the Ambassador of the Republic of Poland in the United Arab Emirates and a representative at the
International Renewable Energy Agency. Moreover, as the Ambassador, he participated in the EU-GCC Joint Council and the International Contact Group for
Libya (2011), headed the Polish delegation to the first meeting of the International Working Group on Economic Recovery and Development of the Friends of the
Syrian People (2012), participated in the International Contact Group on
Afghanistan (2012), was the head of the Polish delegation at the Proliferation Security Initiative meeting (2013), represented Poland at the International Conference on Countering Piracy (2014), was the head of the Polish delegation at the International Contact Group on Afghanistan (2015). Since January 2024, he has been a member of the International Advisory Board of the Hung Research Center for
Hong Kong and Globalization. In July 2025, at the World Congress of Political Science in Seoul, South Korea, he presented a paper on "Central Eastern Europe - Three Seas Initiative and Gulf Cooperation Council Countries' Impact on Transatlantic, Indo-Pacific Grand Strategies and Changing World Order. == Agreements Signed with His Involvement ==