An Assistant Chief Constable with Greater Manchester Police is to lead England's anti-hooligan operations at the World Cup finals in Germany.
Mr Thomas has extensive experience of policing football games
Steve Thomas was announced as the Association of Chief Police Officers leader on football issues on Wednesday.
Mr Thomas already has experience of policing England games and Champions League fixtures.
He promised football fans he would "root thugs out of the game" and bring them to justice.
He takes over from David Swift, who left the post to become Chief Constable of Staffordshire Police.
Mr Thomas now has less than five months to get to grips with the brief before the kick off in Germany this summer.
He said: "There are many challenges ahead but I am confident that we will be able to assist in the successful running of the tournament, building on the excellent work of my predecessor in forging strong international links and working alongside fans' groups.
"I look forward to these challenges without complacency, however, and will work with all our partners to ensure that trouble makers are rooted out of the game and brought to justice to ensure that genuine fans can enjoy a world class World Cup."
Mr Thomas was fined £450 and given six penalty points after being caught speeding at 104mph on the M6 Toll Road two years ago.