Halley Gross

Halley Wegryn Gross (born December 27, 1985) is an American screenwriter, known for writing episodes of the television series "Westworld" and for co-writing the video game, "The Last of Us Part II". 
Early life.
Halley Gross was born in Florida and grew up in New Jersey. She was a former child actor, most often making appearances in the television show, "Law & Order". According to the "Los Angeles Times", in college she wanted to become a comedian, but found that comedy "made her uncomfortable".
Gross attended Gallatin School of Individualized Study at New York University as an undergraduate. She graduated with a degree in creative writing in 2008 and then, in 2010, a master's degree in dramaturgy at New York University.
Gross was a writer and story editor for multiple episodes of the HBO television series "Westworld". She was also a writer for the 2019 Amazon miniseries "Too Old to Die Young".