He has brought Freedom of Information Act cases in the United States District Court for the District of Columbia against many different federal agencies including the Centers for Medicare and Medicaid Services and Immigration and Customs Enforcement.
While in private law practice from 1982 to 1995, Sorenson also served as a member of the board of education at Lane Community College in Eugene Oregon.
During his tenure at Lane Community College, Sorenson advocated strongly for dislocated workers' retraining programs and for childcare for staff and students.
In January 2005, Sorenson announced he would challenge incumbent governor Ted Kulongoski, also a Democrat.
Kim was the executive director for the Northwest Center for Alternatives to Pesticides for nine years before becoming a legal assistant at the Sorenson Law Office.