The Douglas councillor says a change in culture has prompted his resignation.
His resignation as chair also means he will no longer sit on the executive committee.
Mr Pitts has served the board for more than 10 years, so what has changed?
Councillor Andrew Bentley succeeds Mr Pitts as chair.
Ramsey may be darker as lights get repaired
Ramsey commissioners say if you notice the town's darker than usual, it's because street lights are being repaired.
How much does staff sickness cost government?
A Douglas MHK wants to know how much illness is costing the government.
King's Baton Relay gets underway today
The King's Baton Relay is touring the Island ahead of the Commonwealth Games this summer.
Cavendish given honour of opening Le Mans race
Sir Mark Cavendish has waved the flag to officially open the Le Mans 24 hour race in France.
Cruise ship visiting today
A cruise ship with more than 160 people aboard is stopping off in Douglas today.
Manxman returns to normal service after 'technical issue' fix
The Steam Packet says the technical issue which caused disruption with the Manxman earlier in the week has now been fixed.
Island retains its Moody's Aa3 credit rating
The Island has retained its Aa3 credit rating from Moody's, which the same as the UK.
Masterplan for Island's biggest park on display today
A consultation event about the biggest park in the Island's capital takes place today.
