As an art dealer, Mnuchin is particularly known for his long association with Dutch-American abstract painter Willem de Kooning.
[1][2] In 2019, he set a record for the most money paid for a work by a living artist by bidding $80 million for Jeff Koons' Rabbit.
Mnuchin was named a general partner in 1967, headed the trading and arbitrage division in 1976, and joined the management committee in 1980.
[1] His gallery has also exhibited work by Andy Warhol,[2] Donald Judd,[4] Frank Stella,[4] John Chamberlain,[9] Alexander Calder,[2] Philip Guston,[2] Damien Hirst,[2] Julian Schnabel,[2] David Hammons,[2] Sam Gilliam,[2] and Ed Clark.
[10][11] After Levy's departure, dealer Sukanya Rajaratnam was promoted to a partner at the again-renamed Mnuchin Gallery, remaining in the position until 2023.
[12] In 2019, Mnuchin set a new record for the highest amount paid for an artwork by a living artist when he bid $80 million ($91.1 million after fees) in a Christie’s auction for Rabbit, a 1986 stainless steel sculpture by Jeff Koons, on behalf of an anonymous client later revealed to be hedge fund manager Steve Cohen.
[17] The second son, Steven Mnuchin, also became a banker with Goldman Sachs[7][16] and Secretary of the Treasury under US President Donald Trump.