He was head of the Sahel team at the Federal Foreign Office from 2019 to 2021[1] and German Ambassador to the Republic of Chad from 2021 until his expulsion in 2023.
After a subsequent assignment at the Foreign Office, he served as ambassador to Haiti from 2003 to 2005, during which time the embassy in Port-au-Prince was a so-called "small mission" consisting only of him and a few local staff.
In December 2016, he succeeded Thomas Ossowski as Ambassador to the Philippines and held this position until August 2019.
[1] On 1 July 2021, Kricke was appointed Ambassador to Chad, succeeding Jakob Haselhuber.
[5] The reason for his expulsion was "discourteous attitude", after having criticised the government for election delays.