In 1993, he joined the Ministry of Foreign Affairs of Poland. He was heading the Information Unit at the Department of Information and Promotion. From 1994 to 1998 he held the posts of deputy director and director of the Bureau of Human Resources. Between 1998 and 2003 he was serving as Consul-General in Varna. In 2005, he was advisor to the Marshal of Sejm. Following his directoral post at the Minister of Foreign Affairs Secretariat (2003–2005), in 2005 he was nominated Poland ambassador to Azerbaijan. He ended his term in 2010. and became director of the Diplomatic Protocol. On 28 July 2014, he was nominated Poland ambassador to Bulgaria, and presented his letter of credence on 9 August 2014. Ending his term on 30 September 2018, he returned to the post of the director of Diplomatic Protocol.

Krajewski has graduated from international relations at the University of Warsaw in 1987. Just after graduation he worked for the Office of the Council of Ministers.

Krzysztof Adam Krajewski (born 3 August 1963, in Warsaw) is a Polish diplomat; ambassador to Azerbaijan (2005–2010) and Bulgaria (2014–2018).