Markus Börlin was born in Basel, Switzerland, in 1960, place of origin Bubendorf, canton of Basel-Landschaft. He a degree in economics and a master degree in law from the University of Basel. After joining the Federal Department of Foreign Affairs in 1990, he completed internships in Bern and Ottawa. In 1992, he moved to head office, where he worked as diplomatic desk officer for the International Cultural and UNESCO Affairs section of the former Directorate for International Organisations. He was assigned to the Political Affairs Division II in 1995, where he was the responsible desk officer for Latin America.
In 1997, Markus Börlin was transferred to Nairobi as deputy head of mission with the title of first secretary and was subsequently promoted to counsellor in 1999. In July 2000, he was appointed head of Crisis Management, assuming the title of minister, as well as deputy head of the Political Affairs Division VI (Swiss Abroad). He served as deputy head with the title of counsellor at the Swiss embassy in Stockholm from July 2004. In May 2006, he was appointed ambassador and head of the Political Affairs Division VI (Swiss Abroad) at the Directorate of Political Affairs in Bern. In 2010, Markus Börlin was appointed ambassador and head of mission in The Hague as well as permanent representative to the Organization for the Prohibition of Chemical Weapons in The Hague and Vice-President of the Assembly of States Parties to the International Criminal Court in The Hague.
In September 2014, he was named ambassador and permanent representative of Switzerland to the Council of Europe in Strasbourg. Since November 2018, Ambassador Börlin has been the Consul General of Switzerland in New York.
Markus Börlin is married and has two daughters.