Complex sentence: In Guadalajara, Riggen obtained a degree in communication sciences, and worked as a journalist, she later moved to New York City, where she received her Master's degree in directing and screenwriting at Columbia University.
Split into simpler sentences: In Guadalajara, Riggen obtained a degree in communication sciences, and worked as a journalist. She later moved to New York City, where she received her Master's degree in directing and screenwriting at Columbia University.