[4] He also studied Italian language and culture at the Università per stranieri di Perugia, Italy and participated in an International Law course at the University La Sapienza.
[7] After his post in Italy, Karim Khan Chowdhury was appointed as the Director of the Europe and EU wing at the Ministry of Foreign Affairs.
[4] Following his post as the Director of the Europe and EU wing, Karim Khan Chowdhury served as the Minister Counsellor at the Bangladesh High Commission in London, United Kingdom.
[4] From August 2015 to February 2018, Karim Khan Chowdhury served as the Director General of South East Asia Wing of the Ministry of Foreign Affairs.
[10][11] In March 2023, Karim Khan Chowdhury was appointed the Ambassador of Bangladesh to Iran replacing AFM Gousal Azam Sarker.