Currently an executive producer on Casual, Tigelaar is best known for creating the critically acclaimed drama series Life Unexpected, which aired on the CW for two seasons. She got her writing start on NBC’s groundbreaking drama American Dreams, and went on to write and produce such series as ABC’s What About Brian, Dirty Sexy Money, Brothers and Sisters, Once Upon a Time, Revenge, Nashville, and Astronaut Wives Club, along with A&E’s Bates Motel. Tigelaar has various comedy pilots in development. Tigelaar grew up in Dallas, TX, and Guilford, CT, and graduated from Ithaca College with a degree in Scriptwriting and Politics. She got her start as an assistant on Dawson’s Creek, followed by Once and Again, where she was mentored by one of her writing idols, Winnie Holzman.