Giovanni trained at Sylvia Young Theatre School and Laine Theatre Arts.
Giovanni has most recently performed on Series 15 of the X Factor as part of the over 30'S catagory mentored by Ayda Field. Before this he originated the role of Ledoux in Bat Out of Hell (Manchester/ENO) and The Dominion Theatre in London.
Further theatre credits include: Harry The Horse and Angie The Ox in Guys & Dolls (Tel Aviv/Savoy Theatre/Phoenix Theatre); Dance ‘Til Dawn (Tour/Aldwych Theatre); Cousin Kevin in The Who's Tommy (Aria Entertainment/Frankfurt); Aladdin in Aladdin (Theatre Royal Windsor); Bohemian Rhapsody (Spirit Production); Simon Zealotes in Jesus Christ Superstar (Really Useful/AEG Arena Tour); Wonderful Town (Royal Exchange Manchester/Tour); Doody in Grease (Piccadilly Theatre); Pepper in Mamma Mia! (Prince of Wales Theatre); Willard in Footloose (West End/Tour); Goody in Fame (Tour); Clarence in Whistle Down The Wind (Aldwych Theatre); Robin in Falstaff (Royal Opera House); Tootles in Peter Pan (Royal Festival Hall).
Screen credits include: The Profesional (Supra Deus Productions); Internet Killed The Video Store (Orchard Productions); Jesus Christ Superstar Arena DVD (Universal Pictures); Dance ‘Til Dawn (Royal Variety Performance); Holby City (BBC).
Original Cast recordings include: Bat Out of Hell; Whistle Down The Wind; Bugsy Malone; and Peter Pan.
He is also the frontman of rock band deVience.