Celtic majority shareholder Dermot Desmond has been spotted at the Ryder Cup.
The tournament, which began earlier this week, is being held at the Bethpage Black golf course in the United States.
Desmond, who holds a 34.7 per cent stake in Cetic, was pictured watching on.
His appearance comes as supporters prepare to protest against the board this afternoon against Hibernian at Celtic Park.
A 12-minute silence is planned, with further silences in the works for matches against Braga and Motherwell, should the club not respond to the open letter that was produced at the beginning of this month.
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A statement from the Celtic Fans Collective read: "As the Celtic board continues to ignore the concerns of the Celtic support, we are launching a three-match home package which reflects their silence.
"Sept 27 - Hibs (H) - 12 mins. Oct 2 - Braga (H) - 29 mins. Oct 5 - Motherwell (H) - 32 mins.
"The silences are designed to reinforce the importance of Celtic fans to Celtic Football Club by demonstrating how a silent stadium is in nobody's interest.
"We hope that the silent package may be called off, at any point, should reasonable progress be made by Celtic Football Club engaging in credible communication with supporters or there being movement in personnel from the Celtic board.
"The Celtic board cannot continue to commodify our passion while ignoring our concerns."
