She worked as an assistant at Nickelodeon Movies and a creative executive for the Walt Disney Company.
Macer and the Lost writing staff won the Writers Guild of America (WGA) Award for Best Dramatic Series at the February 2006 ceremony for their work on the first and second seasons.
In February 2019, it was announced that Macer would be credited as an executive producer and showrunner for the upcoming Netflix comedy-drama series Gentefied.
[1] In July 2020, Macer was announced as showrunner for MacGyver after series creator Peter Lenkov was fired by CBS.
[3] Macer is a member of the Motion Picture & Television Fund (MPTF) NextGen Board of Directors.