Formerly the deputy chief, 49 year old Gary Roberts becomes the first Island officer to take the helm.
Mr Roberts started as a constable in Douglas 28 years ago and rose through the ranks.
His predecessor Mike Langdon fostered a neighbourhood policing approach which has seen crime in the Island fall to the lowest level of any British Isles police force.
Chief Constable Roberts is committed to sustaining that policy - if funds allow:
Calls for forensic Manx Care audit 'misguided'
Chief minister says sound evidence would be needed to justify process
Minimum Wage Committee agrees with rate change
They met urgently this week after political change of heart
Consultation to protect Manx charities from terrorist financing
It's open until 2 March
This morning's Heysham and Liverpool sailings cancelled
Manxman services called off due to poor weather
