William Mattus

William Mattus Vega (born April 17, 1964, in Barva, Heredia) is a Costa Rican former football referee, best known for supervising two matches during the 2002 FIFA World Cup held in Japan and South Korea.^[1] As of 2022, Mattus is the last Costa Rican to officiate a match at a FIFA World Cup, as fellow countrymen have performed as assistant referees only.^[2]

William Mattus Vega

Full name	William Mattus Vega
Born	(1964-04-17) 17 April 1964 (age 61) Barva, Heredia, Costa Rica
Domestic
Years	League	Role
	Liga FPD	Referee
International
Years	League	Role
2002	FIFA listed	Referee