Biography
Sean Gallagher is a television producer. In 2006, Gallagher and his business partner Abby Greensfelder co-founded Half Yard Productions, an independent production company based in Bethesda, MD and New York City.
Sean Gallagher is a television producer. In 2006, Gallagher and his business partner Abby Greensfelder co-founded Half Yard Productions, an independent production company based in Bethesda, MD and New York City.
