The son of an Irish mother and an Italian father, he attended eight years in boarding schools, three in military academy, graduated with honors from the Interlochen Arts Academy and continued his education at both Northwestern University studying film and photo journalism and New York University's Tisch School of the Arts with a major in dramatic writing. Alosio has portrayed an eclectic mix of characters in dramatic and comedic stage, television and film productions opposite many noteworthy actors such as Hugh Laurie, Elijah Wood, Jeff Goldblum, Kiefer Sutherland, Gary Sinise, Patrick Dempsey, and Laura Dern. He appears in and voices multiple national ad campaigns for Dodge, Mountain Dew, Taco Bell, Nissan, Wendy's and Carl's Jr. as well as animated characters for Warner Bros., Honda, Cartoon Network and worldwide industry leading gaming franchises such as Madden NFL 19, Game of the Year BAFTA Award winning Fallout 4, Titanfall 2, Marvel's The Amazing Spider-Man 2, Battlefield Hardline and Rise of the Tomb Raider among others.
Alosio is a gallery shown and sold abstract painter and published architectural photographer. He was the singer/songwriter of blackradio, an alt-rock band that performed in Los Angeles in venues such as The Viper Room, Whisky a Go Go, and The Troubadour. Alosio rides and has built and customized multiple vintage motorcycles and classic American muscle cars. He lives in Los Angeles, California.