Waszczykowski completed advanced studies at the Geneva Centre for Security Policy.

Between 1997 and 1999 he was working at the Permanent Representation of Poland to NATO in Brussels as deputy chief of mission.

Waszczykowski served as the chief negotiator with the United States on missile defense.

[3] From 27 August 2008 to 6 July 2010, Waszczykowski was the Deputy Head of the National Security Bureau.

[7] This was immediately picked up by newspapers throughout the world, such as The Guardian,[8] The Telegraph,[9] The Washington Post,[10] The New York Times,[11] and Britské listy.