In 2013, Landgraf launched FXX. Since taking over his leadership role at FX, the number of original programs has increased exponentially. During the 2015 Television Critics Association presentations, Landgraf expressed concern that while television is undergoing a golden age, there is simply too much television. In 1997, Landgraf married actress Ally Walker. They have three sons and live in Santa Monica, California. Landgraf plays the flute. He also sang in a barbershop quartet during his time at Pitzer College.