She joined Bonhams in August 2007 to create and head the Japanese department.
"At Bonhams, Suzannah heads what is, since 2009, Europe's leading Japanese-art auction business," said Colin Sheaf, deputy chairman and global head of Asian art for Bonhams.
"She fully deserves her promotion, having taken only two years since her first auction here in November 2007 to make Bonhams the European market leader."
