In 1990, he joined the Swiss Federal Office for Civil Aviation where he enforced international air transport regulation and later served as the executive assistant and general counsel to the director general in 1994.

In 1997, he became the secretary to the board of the directors and general counsel to the CEO of Crossair.

[1] In 2005, he became a member of the board of the Surveillance Authority (ESA) of the European Free Trade Association representing Liechtenstein.

[1] In 2016, he was appointed to serve as the second ambassador to the United States following the retirement of Claudia Fritsche.

He arrived in Washington, D.C. in August and presented his credentials to President Barack Obama on 16 September 2016.