Major General Mats Håkan Ingemar Welff (born 12 July 1947) is a retired Swedish Army officer.
He attended the Swedish Armed Forces Staff College and served in different roles within the military, including commanding the Malmö Brigade and the 1st Nordic Battalion in UNPROFOR in the Balkans.
[5] In 1986, Welff was promoted to lieutenant colonel and served as the head of the Land Operations Department at the staff of the Southern Military District from 1986 to 1988.
[6] From 1993 to 1994, he also served as the commander of the 1st Nordic Battalion (Nordbat 1), which was part of the United Nations Protection Force (UNPROFOR) in Macedonia.
[6] He was promoted to senior colonel in 1995 and served as the head of the Strategy Department in the Planning Staff at Swedish Armed Forces Headquarters from 1995 to 1996.