(Tip 1 of 7)
Allow plenty of time so you're not late
(Tip 2 of 7)
Suggest an agenda before or at the start of the meeting
(Tip 3 of 7)
Decide on clear objectives for yourself
(Tip 4 of 7)
Consider not going (maybe send someone else, or ask for the minutes, or ask to only attend part of the meeting)
(Tip 5 of 7)
Plan on the meeting over-running, so don't have anything else booked immediately afterwards
(Tip 6 of 7 )
Make sure your phone is switched off
(Tip 7 of 7 )
Consider lobbying the chairman beforehand about your key points, instead of going.