Bush's eldest brother was roommates with Kofi Annan while at Macalester College.
Bush transferred to Southwest State University in Marshall, Minnesota, where he earned a B.A.
Bush worked for David Watson in Tyler, Minnesota before starting his own firm in 1979.
In 2002, he was appointed to the District Court of Minnesota bench by Governor Jesse Ventura.
Bush also worked as a city attorney during this period until his appointment to the Minnesota state bench.