She attended a PhD program at the University of California, San Diego and obtained a degree in television and media studies.

The eleven episodes she co-wrote are as follows: In Fall 2006, Owusu-Breen joined the third season crew of ABC's Lost, as a writer and supervising producer.

[3][4] After her departure from Brothers & Sisters in Spring 2010, Owusu-Breen was hired as a writer and co-executive producer on the FOX science fiction thriller Fringe.

[5] Episodes she contributed to included: In summer 2012, Owusu-Breen joined the crew of the NBC dystopian/adventure series Revolution, as a co-executive producer and writer.

[9] However, the show was then cancelled in September without starting work on the new season, due to COVID-19 complications, which had also required the Comic-Con panel to be virtual.

[1] The Lost writing staff, including Owusu-Breen, 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.