Mark joined Chiswick Auctions in October 2020 as a consultant valuer, before becoming a full-time general valuer and specialist in January 2021. He began his career studying Fine Arts and Chattels valuation at Southampton Institute of Higher Education, then worked for a textile dealer and in the wine industry, before joining Christie’s South Kensington Ltd as a porter. He worked there for 15 years working in various capacities including the position of Manager of the Valuation Counter and General valuer. After Christie’s, he worked as a fine art retailer and as a valuer in an independent capacity, before working for South London auctioneers Rosebery’s for six years. He is a qualified Fine art surveyor and member of the Royal Institute of Chartered surveyors.