Nellie Castan has been active within the visual arts since 1980 when she became a partner in the decorative arts focused Distelfink Gallery. In the mid-90s Nellie became involved in Flinders Lane Gallery which sparked her interest in opening her own commercial gallery, Nellie Castan Gallery opened in 1999. In December 2013, after 15 years in operation, Nellie Castan Gallery closed its doors and became a project based business. Since then, Nellie Castan Projects has focused on private art consultancy and promoting artists through international art fairs and offsite exhibitions.