Matthew Slotover founded frieze magazine with co-publisher Amanda Sharp in 1991, and was inaugural editor until 1998. In 2003 they started Frieze Art Fair in Regent’s Park London, showing over 2,000 artists from 180 galleries, and 34 countries.  

In May 2012 Frieze launched a sister fair in New York, situated on Randall’s Island; and October 2012 sees the first edition of Frieze Masters, a fair for historical art, coinciding with Frieze London in Regent’s Park.