Departing North Queensland forward Willie Mason has questioned whether coach Neil Henry is the man to resurrect the ailing NRL club's on-field stocks.

The outspoken Mason, who spent this season with the 15th-placed side before signing with English club Hull KR, says tough decisions need to be made in Townsville.

The Cowboys are reviewing all aspects of their operation after a woeful year and have already moved chief executive Peter Parr into another role.

Test halfback Johnathan Thurston's captaincy is also reportedly under the microscope.

Asked if the players at the club were happy, Mason told the Nine Network: "I don't think so.

"Obviously there's got to be some changes up there."

Henry is signed until the end of 2013, but the former Test forward hinted the coaching position also needed reviewing.

"I think the board has to make that decision and they've got to make some really tough decisions," Mason said.

"Obviously it starts at the coach."

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