Sundramoorthy is a former Singapore international footballer who played in the 1980s and 1990s, and is widely touted as one of the country's most skilful and talented footballers ever.
He is the current football manager for Laos.
He coached the LionsXII, a Singapore-based team playing in the Malaysia Super League, and held a dual appointment as the head coach of the Under-23 team from 2011 to 2013 when he announced his plans to sign with the Malaysian Premier League team, Negeri Sembilan.
After coaching Negeri Sembilan for half a season in 2014, he returned to Singapore to take the helm at Tampines Rovers for almost 2 years, then a 2-year stint as head coach of Singapore.