Sandberg was born in Surrey and educated at St Edward's School, Oxford.
Upon Indian independence he joined the First King's Dragoon Guards in January 1949.
[3] In 1949 he joined The Hongkong and Shanghai Banking Corporation, becoming chairman and chief executive in 1977.
Having been appointed an Officer of the Order of the British Empire (OBE) in 1977[4] and promoted to a Commander (CBE) in 1982,[5] on retirement he received a knighthood for "public services in Hong Kong".
[6][7] On 2 October 1997 he was created a life peer in the House of Lords as Baron Sandberg of Passfield in the County of Hampshire.