Murray, who will take up the role at the Greater London Authority (GLA) this autumn, replaces Giles Dolphin who retired earlier this year.
He will lead both the London Plan team and the Planning Decisions Unit.
The Mayor of London’s office said: "This team will play a key role in helping to ensure that the mayor's priorities of ensuring strong and sustained economic growth, the enhancement and maintenance of our existing economy and securing 200,000 jobs over the next four years."
Murray has been chief planning and regeneration officer at Redbridge since last year and previously worked at the London Borough of Barnet and the City of London Corporation.
He has also worked within the planning team at the GLA in the past and was a team leader in the GLA's former strategic development team.
At Redbridge he has overseen the introduction of the council's Community Infrastructure Levy. The borough was one of the first three English local authorities to begin charging the development tariff.