Career
She is best known for her work on the Showtime drama Masters of Sex, and the National Broadcasting Company musical Smash. Until 2012 Valdivia worked as a journalist and playwright. After graduation from New York University she began her television career working on the National Broadcasting Company drama Awake, where she wrote three episodes of that series.
She wrote on the season 2 of the musical drama Smash and as of 2013, she is currently working on the Showtime drama Masters of Sex where is nominated for a 2013 WGA Award.
As a playwright, she wrote the stage productions Oh, William (2003), Ring of Fire (2004) and Where lieutenant Went Wrong (2006).