He learned photography in his father's portrait studio and developed an interest in movies around 1905.
After coming to the United States, he served as lab superintendent for IMP and the Life Photo Film Corporation.
He later photographed films for Metro's top female stars, Alla Nazimova and May Allison.
Gaudio suffered an acute attack of appendicitis and died on August 1, 1920, from general peritonitis after an operation.
Gaudio is buried at the Hollywood Forever Cemetery in Los Angeles, California.