Complex sentence: When he was younger, Perrugorria studied civil engineering until he turned to theater: he played Shakespeare with the Olga Alonso troupe, and starred in "The Glass Menagerie" with the Ritan Mountainer troupe.
Split into simpler sentences: When he was younger, Perrugorria studied civil engineering until he turned to theater. He played Shakespeare with the Olga Alonso troupe, and starred in "The Glass Menagerie" with the Ritan Mountainer troupe.