[2] Frerichs owns and works on a farm with his father and brothers, and also manages 150 cows.
[3] Frerichs teaches agriculture at Lake Area Technical Institute, and is an FFA adviser.
[4] Frerichs' father, grandfather, and great-grandfather all served in the South Dakota House of Representatives.
[5] Frerichs served in the South Dakota State House of Representatives from 2008 to 2010, where he was the minority whip.
[5] He is considered to be a member of the moderate wing of the South Dakota Democrats and an ally of former Representative Stephanie Herseth Sandlin.