Prior to taking the
bench, Rosen was a senior partner in the law firm of
Miller, Canfield, Paddock and Stone. While at Miller Canfield, Rosen was a trial lawyer, specializing in commercial, employment and constitutional litigation and litigated a number of important, high-profile cases. He began his professional career in
Washington, D.C. as a Legislative Assistant to
United States Senator Robert P. Griffin of
Michigan. Rosen served on Senator Griffin's staff in Washington for five years, from February 1974 through January 1979, during which time he was intimately involved in some of the most significant and challenging issues of the period. While serving as Senator Griffin's Legislative Assistant, Rosen attended the
George Washington University Law School at night, and obtained his
Juris Doctor in May 1979. (He is now a member of the Law School's Board of Advisors). Rosen obtained his
Bachelor of Arts degree from
Kalamazoo College. ==Published writings==