Thames Valley Police announce new Assistant Chief Constable

Assistant Chief Constable (ACC) Darren O’Callaghan brings 31 years of policing experience to the position.

He joined Thames Valley Police from Hampshire and Isle of Wight Constabulary in April.

Mr O’Callaghan said: “I am delighted to be taking up my new role leading crime and criminal justice for Thames Valley Police, and to have the opportunity to build on the great work here in the force.

“In the past few weeks, the force has been highlighted by HMICFRS as making significant improvements, but also highlights areas to work on.

“I am looking forward to the challenge of doing all I can to help Thames Valley Police become an excellent force trusted by all of our communities.”

He began his career as a police constable in Petersfield in 1994 and became a detective three years later.

His experience covers professional standards, child protection, major crime, and intelligence.

He was also district commander for Fareham and Gosport.

He became director of intelligence in 2015 and head of intelligence, tasking, and development as a chief superintendent in 2017.

More recently, he worked with the Joint Operations Unit in 2022 before becoming T/Assistant Chief Constable.

Mr O’Callaghan said: “It will be a privilege to be working with our brilliant officers and staff, building on the drive to improve our investigative capability, support victims of crime, preventing harm and ensuring we achieve the best possible outcomes for them, and protect the public across Berkshire, Buckinghamshire and Oxfordshire.”