Tiago Monteiro was Narain Karthikeyan's teammate at Jordan Grand Prix in 2005. Both were rookies in Formula One that season, with Monteiro finishing ahead of Karthikeyan in the championship standings.
When Narain Karthikeyan joined the Jordan F1 team in 2005 as India's first Formula One driver, his teammate was Tiago Monteiro of Portugal. Monteiro notably scored a podium finish that season at the chaotic 2005 United States Grand Prix.