Lord Daresbury (Peter) has held numerous executive positions, including CEO from 1993 to 2000 of the Greenalls Group, which had an annual turnover of £983 million and a FTSE market capitalisation of £1.7 billion. In 2000 the company was re-named The De Vere Group plc, and Peter became Non-Executive Chairman, until he stood down in 2006. Peter was also Chairman of Aintree Racecourse for 25 years, where in his riding days he rode in the Grand National in 1975 and won the Liverpool Foxhunters in 1982. From January 2018 to April 2018 Peter was the Chairman of Stellar Diamonds PLC. Now Chairman of the Committee of Haydock Park Racecourse, where he has had a connection for many years as a Jockey, a Steward and as a Sponsor. From 2013 to 2018 he was a Steward of The Jockey Club. Now Peter is a Chairman of Jockey Club Catering, which operates all the catering on the 15 Jockey Club Racecourses.
Peter is currently Chairman of AIM listed Nasstar PLC and Auriant Mining. In July 2018 he was appointed a Director of Auriant Mining Zambia Ltd.