Ralph was appointed Global Head of Post-War & Contemporary Art in September 2017, overseeing the departments in New York, London, Los Angeles and Hong Kong, as well as the international network. Up until that point he served as Senior Director, responsible for Post-War & Contemporary Art in Europe.
Over the past five years the department has grown over 1,000%, despite the number of lots offered halving, resulting in more tightly curated sales. During this period the average sell-through rate has grown from 65% to 95%, average price from £4,000 to £191,000, and market share from 0.2% to 7%.
Ralph has also overseen all ten of the company's highest results for Post-War & Contemporary Art, with highlights including £1,565,000 for Mark Bradford's Dream Deferral, £2,042,500 for an exceptional early work by Frank Auerbach, £1,070,500 for one of Andy Warhol's iconic Mao paintings, £1,586,200 for Kazuo Shiraga's Untitled (Red Fan) setting a world record for a Gutai sculpture, and £867,300 for Peju's Robe by El Anatsui
In addition to redefining the department in UK and Europe, Ralph has been instrumental in initiating an exhibition program at Bonhams that has included ZERO Gutai Kusama, The Colony Room and Structure and Form devoted to masterpieces of American Minimalism. In 2018 Ralph oversaw the first-ever exhibition of works by the artist Richard Lin outside of Taiwan, a partnership with all five of the artist's children.