Lee, Jennifer After joining Walt Disney Animation Studios in 2011 as co-writer of Wreck-It Ralph, she was director (with Chris Buck) and writer of Frozen, book writer of Frozen: The Broadway Musical, executive producer of Ralph Breaks the Internet, and executive producer and writer of Frozen 2. She also wrote the screenplay for A Wrinkle in Time and provided creative story leadership for Zootopia. In 2018, she was named Chief Creative Officer, Walt Disney Animation Studios.