During the 2000 presidential election, Mason was listed as a Wisconsin state co-chair of GoreNet.[4] GoreNet was a young Americans focused group that supported the Al Gore campaign with a focus on grassroots and online organizing as well as hosting small dollar donor events.[5]
Wisconsin State Assembly
While in the assembly, Mason served as the ranking Assembly Democratic member of the Assembly Committee on Environment and Forestry, the Joint Legislative Council, and Joint Survey Committee on Retirement Systems. He also served on the Assembly Committee on Tourism.[1]
Mason was named the 2009-2010 Legislator of the Year by the Wisconsin Technical College District Boards Association for his support of Wisconsin's technical colleges. Other awards include the 2014 Children's Champion Policy Award from Children's Hospital of Wisconsin, the 2013 Friend of the UW Award by the United Council of UW Students, and the River Champion Award by the River Alliance of Wisconsin. Mason was named 2012 Legislator of the Year by the Professional Fire Fighters of Wisconsin and was named to the Conservation Honor Roll for 2011-2012 by the Wisconsin League of Conservation Voters. He was also given an Award of Merit by the Wisconsin Association for Career and Technical Education.[1]
Mayoral candidacy
Mason ran for mayor of Racine in 2017 for a special election to complete the term of the previous mayor, John Dickert. Mason won with the largest share of votes in both the primary and general elections.[6][7]
Mayoralty
Mason's mayoral administration has thus far resulted in increased residential and commercial development such as the Gold Medal Loft project in Uptown Racine[8] and the construction of apartments at the former Walker Manufacturing site along the shores of Lake Michigan in Downtown Racine.[9] Mason has also overseen downtown investment from global technology company Foxconn.[10]