Founded the St James's Place Group with Mike Wilson in 1991 and was Chairman of St James's Place Group until September 2004, when he resigned from the Board and was appointed to the position of President. He currently chairs the Investment Committee. He originally practised as a barrister and was formerly Deputy Chairman of the Securities and Investments Board, the forerunner to the Financial Services Authority
- St James Place Partnership website, The Directors, last viewed 01/02/07
- 'Mark Weinberg and Maurice Lipworth, both financiers, came onto the BAT board with the buy-up of Allied Dunbar. Lipworth, like Weinberg, a South African barrister, received £9m in BAT stock as his transfer fee.'. 'British American Tobacco' I-Spy Productions Written in Flames: Naming the British Ruling Class London: Hooligan Press ISBN 1869802071. Undated, but published in 1987.