John Mats Arvid Svegfors (born 28 August 1948) is a Swedish journalist and politician. He was the editor-in-chief of Svenska Dagbladet from 1991 to 2000, and governor of Västmanland County from 2000 to 2009. See also. List of Västmanland Governors. References. https://en.wikipedia.org/wiki/Mats_Svegfors