National Lampoon's Christmas Vacation
Shifting gears from acting to production, Valenti became a production assistant for Steven Spielberg's Amblin Entertainment. Spielberg had initiated a program whereby assistants would be given an opportunity to learn as much a possible in two years, identify a career path, and then move into their chosen field. Valenti segued into a role as Vice President of Development for John Hughes. During his three-year tenure, Hughes produced ten films, including Home Alone, National Lampoon's Christmas Vacation, and Uncle Buck.