He previously served as German Consul General in New York and he had been Secretary of State and head of the Bundespräsidialamt, the administration of the President of Germany.

He was appointed on 19 March 2012 by President Joachim Gauck and stayed in office until February 2017.

After the German reunification, he worked for the Federal Commissioner for the Stasi Records and became a close aide of Joachim Gauck, serving as his press secretary.

[2][3] Gill was head of the Bundespräsidialamt, in the rank of state secretary, until the end of Gauck's tenure in February 2017.

David Gill's CV on the website of the German Missions in the United States