He was educated at Weymouth College, Weymouth.
He was the first chairman of the National Coal Board at its creation on 1 January 1947. Hindley was a director of the Bank of England between 1931 and 1945 and He was managing director of Powell Duffryn Limited, collieries, between 1931 and 1946. He became the first chairman of the National Coal Board at its creation on 1 January 1947, a post he held until 1951.
Despite the Attlee government"s pronouncement in 1947 that "Today the mines belong to the people", in reality the same people held influence over the operation of the mines.
Hindley was chairman at the time of the explosion at Easington Colliery on 29 May 1951. Facing relatives of miners waiting at the colliery gates, he announced:
Though everything has been done and is still being done, there is now no hope of any of the men being alive.
This is the worst pit disaster we have had in the History of the North.C.B.
Hindley was knighted in 1921, created a baronet, of Meads in the County of Sussex, in 1927 and elevated to the peerage as Baron Hyndley, of Meads in the County of Sussex, in 1931. Lord Hyndley was also master of the Clothworkers" Company in 1953.
Lord Hyndley married Vera, daughter of James Westall, in 1901.
They had two daughters. He died in January 1963, aged 79, when the baronetcy and two peerages became extinct.