Complex sentence: From 1985-1987, Spiegel was a fellow at the MIT Center for Advanced Visual Study, from where he moved on to become adjunct professor at the University of Toronto from 1992-1997.
Split into simpler sentences: From 1985-1987, Spiegel was a fellow at the MIT Center for Advanced Visual Studies. From MIT he moved on to become adjunct professor at the University of Toronto from 1992-1997.