Kristin Dassler-Alfheim will serve under new Senate Majority Leader Diane Hesselbein.
Alderwoman Kathy Hinkfuss joins the common council president and a former four-term mayor.
Hinkfuss made the announcement Tuesday morning at the Northland Hotel.
Video released to Action 2 News shows ICE agents in plain clothes taking Carel Aaron Van Der Merwe of Onalaska into custody.
Video released to Action 2 News shows ICE agents handcuffing Carel Aaron Van Der Merwe in a vestibule as they take him into custody.