Midwest Region

Regional Representative

Charles Frieberg

Commissioner, South Dakota

Charles Frieberg started his career in the criminal justice system in September of 1993 as a probation officer. His first duty station was in Lake Andes where he stayed for two years before he was assigned to the office in Yankton, South Dakota. In his capacity as a probation officer he supervised both an adult and juvenile caseload. In 2010 Charles was appointed the Chief Court Services Officer for the First Judicial Circuit of South Dakota. He was implemental in bringing a Drug Court to two areas in his jurisdiction. He supervised a staff of 25 people which covered 14 counties in the southeastern portion of South Dakota. In 2016 Charles was appointed the Director of Court Services and is now living in Pierre, SD. He earned his BA in Criminal Justice from the University of South Dakota, graduating in 1993. He has raised six children who are all grown and are living in South Dakota and Colorado. He enjoys being with his family, golfing and reading.

Alternate Regional Representative

Sasaun Lane

Commissioner/UNITY Coordinator, Ohio


Tomiko Frierson

UNITY Coordinator, Illinois

  • Commissioner
  • Parole Only
  • Illinois Department of Juvenile Justice
  • Illinois Department of Juvenile Justice
  • 1010 Dixie Highway, Suite 100
    Chicago Heights, Illinois 60411

Curtis Hamstra

Commissioner, Iowa

  • Commissioner
  • Parole & Probation
  • Iowa Courts
  • 227 South 6th Street, Room 532D
    Council Bluffs, Iowa 51501

Michael Tymkew

Compact Administrator/UNITY Coordinator, Michigan

  • Commissioner
  • Parole & Probation
  • Michigan ICJ Office
  • Michigan Dept. of Health and Human Services – Juvenile Justice Programs
  • 235 S. Grand Ave., Suite 1315
    Lansing, Michigan 48909

Tracy Hudrlik

Compact Office/Deputy Compact Administrator, Minnesota

  • Commissioner
  • Parole & Probation
  • Minnesota Department of Corrections
  • 1450 Energy Park Drive, Suite 200
    St. Paul, Minnesota 55108-5219

Jacey R. Rader

Compliance Committee Chair, Nebraska

  • Commissioner
  • Probation Only
  • NE Interstate Compact
  • P.O. Box 98910
    Lincoln, Nebraska 68509-8910

Lisa Bjergaard

Commissioner, North Dakota

  • Commissioner
  • Parole & Probation
  • Division of Juvenile Services
  • 701 16th Ave. SW
    Mandan, North Dakota 58554

Sasaun Lane

Alternate Regional Representative/UNITY Coordinator, Ohio

  • Commissioner
  • Parole & Probation
  • Ohio Department of Youth Services
  • 4545 Fisher Rd Suite D
    Columbus, Ohio 43228

Charles Frieberg

Regional Representative, South Dakota

  • Commissioner
  • Parole & Probation
  • Unified Judicial System – Court Services
  • 306 East Capitol Avenue, Suite 310
    Pierre, South Dakota 57501

Casey Gerber

Commissioner, Wisconsin

  • Commissioner
  • Parole & Probation
  • Division of Juvenile Corrections
  • Department of Corrections
  • 3099 East Washington Street; P.O. Box 8930
    Madison, Wisconsin 53708-8930