Johny Joseph is an Indian Administrative Service

Indian Administrative Service

The Indian Administrative Service is the administrative civil service of the Government of India. It is one of the three All India Services....

 officer of 1972 batch. He graduated from Trivandrum Engineering College with a degree in Mechanical Engineering and served as commissioner of Brihanmumbai Municipal Corporation

Municipal Corporation of Greater Mumbai

The Brihanmumbai Mahanagar Palika is the civic body that governs the city of Mumbai and is India's richest municipal organisation. Its annual budget is even more than that of some of the small states of India. It is also known as Municipal Corporation of Greater Mumbai or the Brihanmumbai...

 from 29 February 2004 to May 2007.

Joseph was the Maharashtra

Maharashtra

Maharashtra is a state located in India. It is the second most populous after Uttar Pradesh and third largest state by area in India...

's Principal Secretary

Principal Secretary (India)

The Principal Secretary in India denotes a government official of high seniority and is commonly found in the state governments. There is only one Principal Secretary to the Government of India and that is the Chairman of the Railway Board who is the ex officio Principal Secretary of the Ministry...

 to the Chief Minister

Chief Minister

A Chief Minister is the elected head of government of a sub-national state, provinces of Sri Lanka, Pakistan, notably a state of India, a territory of Australia or a British Overseas Territory that has attained self-government...

 before the state government granted him the post of the civic chief of Mumbai

Mumbai

Mumbai , formerly known as Bombay in English, is the capital of the Indian state of Maharashtra. It is the most populous city in India, and the fourth most populous city in the world, with a total metropolitan area population of approximately 20.5 million...

. He was succeeded by Jairaj Phatak

Jairaj Phatak

Jairaj Moreshwar Phatak was the 25th municipal commissioner of the Brihanmumbai Municipal Corporation , India.Jairaj Phatak did his M.Sc. from Indian Institute of Technology Bombay in 1975. This was capped with a Masters in Public Administration from John F...

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.