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Johny Joseph (born May 29, 1949) is an Indian Administrative Service officer of 1972 batch. He graduated from Trivandrum Engineering College with a degree in Mechanical Engineering and served as commissioner of Brihanmumbai Municipal Corporation from 29 February 2004 to May 2007.
Joseph was the Maharashtra's Principal Secretary to the Chief Minister before the state government granted him the post of the civic chief of Mumbai. He was succeeded by Jairaj Phatak in May 2007. On 1 May 2007, he was appointed as Chief Secretary of Maharashtra.
His wife Reena Joseph is an active environmentalist and patron of several social causes.