Mark Clattenburg is an English former professional football referee.
Peter Walton is an English former professional football referee who officiated in the Premier League from 2003 to 2012. Beginning 2013, he was general manager of the Professional Referee Organization (PRO) in North America until being replaced by Howard Webb in January 2018.
Kevin Stott is a soccer referee for PRO from the United States. He was a FIFA referee from 1995 to 2008. Stott was selected as a referee for the 2006 FIFA World Cup in Germany.
Peter Daniel Green is a retired Australian soccer referee in the Australian A-League. Green has been FIFA listed since 2006 and a member of the AFC Elite Referees Panel since 2008. He has refereed in three A-League Grand Final matches. He was the A-League referee of the year in 2013 and 2014.
Jair Marrufo is an American soccer referee. He has been a referee in Major League Soccer since 2002 and a FIFA referee from 2007 to 2022.
Strebre Delovski is a retired Australian soccer referee in the A-League. He previously officiated in the Illawarra Premier League and during the A-League off-season has been refereeing in the NSW Premier League competition. In 2005 and 2007 he was named NSW Premier League Referee of the Year.
Alan Kelly is a former FIFA Referee from the Republic of Ireland. He has officiated primarily in the Munster Senior League, the League of Ireland and Major League Soccer and was first appointed to the FIFA list in 2002. He has been regarded as Ireland's top referee for the last number of years.
Ricardo Salazar is a referee who currently referees for the Professional Referee Organization and international matches. He became a full-time referee in 2007.
Mark William Geiger is an American sports administrator and former soccer referee. He is the senior director of match officials at the Professional Referee Organization (PRO), which oversees domestic referees in Major League Soccer (MLS). Geiger previously officiated in MLS and was on the FIFA International Referees List from 2008 to 2019. At the international level, Geiger refereed the 2012 Olympics, the 2013, 2015, and 2017 CONCACAF Gold Cups, and the 2014 and 2018 FIFA World Cups. At the 2014 World Cup, he became the first referee from the United States to officiate a knockout match at a World Cup tournament. Before becoming a full-time referee, Geiger was a high school mathematics teacher.
David Gantar is a Canadian soccer referee for PRO from Edmonton, Alberta. He has been a Canadian National Referee since 2004, and became a FIFA Referee in 2011. Gantar had a highly successful first year of international duty, officiating at three international tournaments — including one major tournament — and in the CONCACAF Champions League and 2014 FIFA World Cup Qualification.
Serhiy Mykolayovych Boyko is a Ukrainian international referee and a former player.
Silviu Petrescu is a Canadian professional soccer referee. He officiates matches in the Canadian Premier League, Major League Soccer and the United Soccer League, and is a member of the Professional Referee Organization.
Hilario Grajeda is an American soccer referee. He has been a referee in Major League Soccer since 2004. His first match in the MLS was a game between Dallas Burn and Kansas City Wizards in July 2004. On July 31, 2013, he was the first referee to try out the "Ref Cam" in a friendly game between A.S. Roma and MLS All-Stars, a head-mounted camera that gives the fans the opportunity to see the game in the referee's point of view. After 2018, Grajeda transition to primarily performing the role of Video Assistant Referee.
Edvin Jurisevic is an American soccer referee from Omaha, Nebraska. He was a FIFA referee from 2010 to 2017, and has been a FIFA video match official since 2021.
Baldomero Toledo is a Mexican-born American soccer referee. He has been a Major League Soccer referee since 2004 and a FIFA referee from 2007 to 2017.
Drew Fischer is a Canadian soccer referee who regularly officiates Major League Soccer games, and was approved for international matches in 2015.
Sorin Stoica is an American soccer referee from Ohio. Stoica made his Major League Soccer refereeing debut in a 2012 match between the Houston Dynamo and the New York Red Bulls.
The video assistant referee (VAR) is a match official in association football who assists the referee by reviewing decisions using video footage and providing advice to the referee based on those reviews.
Joe Fletcher is a Canadian former soccer referee from Niagara Falls, Ontario. He is currently the manager of senior assistant referees for the Professional Referee Organization.
Armando Villarreal is an American soccer referee. He has officiated in Major League Soccer since 2012 and was added to the FIFA International Referees List in 2015.
