RM plc announced the appointment of Mark Cook as CEO, effective from 16 January 2023. Neil Martin the current CEO will remain an Executive Director of RM to ensure an orderly handover until the preliminary results have been released for the financial year ended 30 November 2022. With a background in business process and technology, Mark brings extensive experience in business transformation and creating shareholder value.

After qualifying as an accountant and working in several finance roles, Mark moved into consulting, joining Xansa PLC, where he led transformation and systems implementation programmes for clients including the BBC and Boots. Following this, Mark joined Getronics Group in 2010 taking the business from public ownership under KPN Telecom NV into private ownership under Aurelius Investments. As Group CEO, Mark and his team led the growth of Getronics, having refocused the portfolio and created a global technology digital services business, prior to its sale to a U.S. investment consortium.

In 2019, Mark joined Capita plc as CEO for the People Solutions Division and latterly the Technology Solutions Division, a £650 million revenue business, spanning Capita's cloud, connectivity and resourcing solutions for the public and commercial sector. Mark is currently non-executive Chairman of Searchlight Consulting.