Education
Born in West Vancouver, British Columbia, Nonni spent four years at the Vancouver Selects for which he had played abroad with the team against teams like Manchester United, Ajax Amsterdam, AS Roma, and Air Corps Milan. He then spent two seasons in college at the University of California Santa Barbara for which he played for the soccer team, the University of California Santa Barbara Gauchos.
After spending two seasons at college Nonni went to Germany to play semi-professionally for SV Wilhelmshaven of the Regionalliga Nord. He made his debut for Wilhelmshaven on 19 February 2012 against RB Leipzig at the Red Bulletin Arena in which he started and played 46 minutes as Wilhelmshaven suffered an 8–2 defeat.