She was a staff writer on the hit ABC series Alias and wrote several of its episodes along with her writing partner, Monica Owusu-Breen.
The Lost writing staff, including Schapker, were nominated for the Writers Guild of America (WGA) Award for Best Dramatic Series at the February 2007 ceremony for their work on the second and third seasons.
The installments are as follows: In 2006, Schapker was brought on to develop the first season of the ABC drama Brothers & Sisters as a writer and supervising producer.
Episodes she co-wrote are as follows: In Fall 2006, Schapker joined the third season crew of ABC's Lost, as a writer and supervising producer.
After her departure from Brothers & Sisters in Spring 2010, Schapker was hired as a writer and co-executive producer on the FOX science fiction/horror series Fringe, going into its third season.
[3] In July 2018, it was announced that Schapker will be the co-showrunner and one of the executive producers of the second season of the Netflix science-fiction series, Altered Carbon.