In 1974, Tyler joined
Unilever as a management trainee. He worked there at
Birds Eye,
Wall's Ice Cream,
BOCM Silcock and at Unilever's
London headquarters on corporate strategy and on its agribusiness activities. He also qualified with
CIMA as a management accountant, later becoming a FCMA and also a member of the
Association of Corporate Treasurers. He then worked for
National Westminster Bank as group financial controller and finance director of NatWest Investment Bank between 1986 and 1989. He was a witness in the Blue Arrow trial in 1991 when NatWest and a number of its senior executives were accused of misleading the market in 1987 about the largest ever rights issue in London. He was recruited as group finance director by
Christie's, spending seven years there, which included two in
New York City as president of Christie's American business. Finally, it was split into three UK listed companies – Burberry, Experian and Home Retail Group – and a South African one, Lewis Stores. In 2007, Tyler was appointed chair of
3i Quoted Private Equity Plc and Logica. In 2009, Tyler was appointed chair of the Board of
J. Sainsbury plc, a position he held until 2019. In 2020, Tyler was appointed chair of
The White Company, a role he held until 2022. In 2021, Tyler was appointed chair of retail technology company Imagr until 2023. In 2022, he was appointed chair of
JoJo Maman Bebe until 2024. Tyler was chair of
Hampstead Theatre from 2012 to 2020. He has also been a senior advisor to Jefferies since 2024. ==Personal life==