As well as dealing with the managerial situation, Pearson will also be focusing on the club's worrying bank balance with previous incumbent Paul Duffen having made way for the former Derby chairman with Hull heading for financial meltdown.
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Bartlett is ready to take a more hands-on role at his club to cure its financial ills and will work alongside Pearson who was given a ringing endorsement by former Hull manager, Peter Taylor.
"Pearson is the reason Hull City are a Premier League club today," Taylor said. "He is a first-class football chairman, I have certainly never worked with a better one in all my managerial career.
"Adam knows the score, and although he runs football clubs to be successful, he also keeps tight control over the finances. If there is only £10 to spend, then only £10 will be made available.
"He will do nothing that could damage the club and he will look after it with a long-term view.
"However, he is a hard-working chairman. Unlike others, he will ask a manager what he can do to help and go out of his way to make things happen."
Taylor believes that Pearson's arrival could bolster Brown's cause at Turf Moor.
"This situation could help Phil," Taylor said. "Adam's arrival can give everybody a lift and when things like this happen, players often find an extra yard of pace.
"The public in Hull love Adam, and rightly so, he worked wonders for the club."
Meanwhile, former Hull striker Dean Windass has again waded into the debate on Hull's problems by blaming his old team-mates for the club's on-field woes.
"Sometimes the players have to take responsibility," Windass said. "The managers always get it in the neck when performances don't go the right way and players have got to come out and say, 'Well, we haven't played well, we've let Phil down' and I'm one of a lot of people who are frustrated."