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.
Manxman sailings in doubt from tomorrow
Four ferry sailings are at risk of being cancelled this week due to bad weather.
Car falls down steep bank on Mountain Road
Multiple emergency services were called to a car crash this morning on the Mountain Road.
Panic over - Mcdonald's reopens at 11am tomorrow
After weeks of withdrawal symptoms, you can finally be reunited with McNuggets.
Police say beat it to cars illegally parked during MJ tribute act
Theatre-goers in Douglas were met with fines on their cars last night, following a show at the Villa Gaiety.
No dedicated prostate cancer screening programme, despite over 1,200 referrals
The Isle of Man doesn’t have a dedicated prostate cancer pathway.
Minister says GP waiting times have improved, but delays still impact A&E
The average wait to see your GP is 7.4 days according to the Health and Social Care Minister.
Crash closes section of the Mountain Road
Police have closed a section of the Mountain Road this morning due to a crash.
Island's prison nears full capacity
The Isle of Man Prison is operating close to full capacity, with almost 90% of available spaces currently occupied.
