Mr. and Mrs. James T. Cassan of Mercer Island are pleased to announce the engagement of their daughter, Traci, to Andy Granbois, the son of Mr. and Mrs. Calvin Granbois of Olympia, Wash.

The bride is a graduate of Mercer Island High School, class of 1996, and the University of Pennsylvania, class of 2001. She received a law degree in 2008 from Pepperdine University School of Law and an LL.M. in Taxation from the University of Washington in 2010. She is presently clerking for the Honorable Charles K. Wiggins at the Washington State Supreme Court. The groom is a graduate of Olympia High School, class of 1999, and St. Martin’s University, class of 2003. He received a law degree in 2007 from Seattle University School of Law. He is employed by the Washington State Human Rights Commission.

The wedding will take place in September 2011 at DeLille’s Cellars in Woodinville.