Hans Olof Alsén, born 16 august 1926, is a Swedish Social Democrat politician who served as the County Governor of Uppsala from 1986 to 1992. During the 1960s, -70s and -80s he had several political commissions including Member of Parliament and government Undersecretary. In addition he had numerous Board of Directors assignments in different business corporations as well as in non commercial associations both prior to, during and after the County Governor period.This paper describes the organizing and Cataloguing of Hans Alsén's personal archives. The documents at hand were deposited at the regional state archives (Landsarkivet) in Uppsala in 2008 and 2009 by Alsén himself. The documents almost exclusively cover the County Governor years 1986-1992.