Career
He joined the Senate after winning a special election in 1991, his predecessor, Jack Nystrom (R-Boone), having resigned to serve on the Iowa Liquor Commission. During his second term in the Senate, Sorensen served on several committees in the Iowa Senate - the Agriculture committee. The Natural Resources, Environment and Energy committee.
The Small Business, Economic Development & Tourism committee.
The State Government committee. And the Local Government committee, where he was the chairman
Sorensen was elected to the Boone County Board of Supervisors in 2000 and re-elected in 2004. He was nominated to be the Democratic candidate for the 24th Senate District, challenging Republican incumbent Jerry Behn in the 2008 general election.