Complex sentence: Seagal initially returned to Taos, New Mexico, with his student (and later film stuntman) Craig Dunn, where they opened a dojo, although Seagal spent much of his time pursuing other ventures.
Split into simpler sentences: Seagal initially returned to Taos, New Mexico, with his student (and later film stuntman) Craig Dunn. Where, they opened a dojo, although Seagal spent much of his time pursuing other ventures.