[1] Leopold David was the fourth and youngest child and second son of Lionel Nathan de Rothschild (1882–1942) and Marie Louise Eugénie Beer (1892–1975).
He went to work at Kuhn, Loeb & Co., as well as at Morgan Stanley and Glyn, Mills & Co. before becoming a partner at his family's N M Rothschild & Sons in 1956.
[citation needed] While he had a long and successful career in banking, his love of music and the arts played an important role in his life.
He was an honorary member of the Incorporated Society of Musicians, among his many involvements, Leopold de Rothschild served as: Among his philanthropic works, through his "Leopold de Rothschild Charitable Trust" he contributed to numerous charities, including the St John's Hospice for the terminally ill.
In addition, his Charitable Trust provides support to the London Symphony Orchestra, the London Sinfonietta, the Rambert Dance Company, and provides scholarships for students to study at the Royal College of Music of which he was a Fellow (FRCM) and past Council Chairman.