He is in charge of Manchester United's player transfer activity, alongside manager David Moyes.
In the 2008 summer transfer window, there were rumours surrounding a move to Everton in the Premier League, with David Moyes apparently keen to bring the player to Goodison Park.
In July 2013, he criticised the training methods of new Manchester United manager David Moyes and his coaches after an injury suffered to countryman Robin van Persie during pre-season training.
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A team with a proud history, they have been the start for many players who would turn professional such as Sir Alex Ferguson, David Moyes, Andy Gray, Archie Gemmill, John Wark, Asa Hartford Eddie McCreadie (Chelsea player and manager) and John Robertson.
Everton manager David Moyes was unhappy at the fact that Sippel did not send off Liege's Steven Defour after a couple of bad tackles.
The results were David Moyes 35%, David France 34%, Bill Kenwright 19%.