Bert Klein, director/animator, began his professional animation career at Film Roman where he worked as an animator on the acclaimed fourth season of The Simpsons. He later joined Walt Disney Feature Animation in 1993 as a trainee on The Lion Kingand then worked as an assistant animator on A Goofy Movie and Pocahontas. He was promoted to full animator status on Hercules and subsequently was an animator on Mulan, Tarzan, Fantasia 2000, The Emperor’s New Groove, and Treasure Planet. He left Disney in 2002 to work as a CGI animator at WETA digital on Lord of the Rings: Return of the King. After also working as the lead animator on The Simpsons Movie, he returned to Disney in 2008 as an animator on Princess and the Frog in 2008, followed by Winnie the Pooh in 2010. Bert then animated on many Disney features including Wreck it Ralph, Frozen, Big Hero 6, Zootopia, Moana, Olaf’s Frozen Adventure, Wreck it Ralph 2, Frozen 2, Raya and the Last Dragon, Encanto, Strange World, and Wish.