Adam Horowitz Is An American Screenwriter And Producer. He Began His Career As A Staff Writer For The Series Fantasy Island In 1998 And Has Since Worked As Producer For Several Series. Horowitz, Kitsis And The Writing Staff Of TV Series Lost Won The Writers Guild Of America (WGA) Award For Best Dramatic Series And Was Also Nominated Thrice For Primetime Emmy Awards. However Horowitz Came To Prominence For His Work On The Hit Series Lost And Is Also Known For His Work In TRON: Legacy, Once Upon A Time And Black Sash.