MADISON, Wis. -

Mike Sheridan will officially announce his candidacy for the seat of Senate District 15 at 1 p.m. April 27, according to a press release.

Mike Sheridan is the Former Speaker of the Wisconsin State Assembly. Mike represented the 44th Assembly District from 2005-2010. He was defeated for reelection.

The official announcement will take place at 3401 Milton Ave. in Janesville.