Bonnie Brennan is the Chief Executive Officer of Christie's Inc., a position she assumed on 1 February 2025. Prior to this role, she served as President of Christie's Americas, where she significantly increased the regional share of global auction sales to 48%. She has been instrumental in securing high-profile collections, including those of Paul G. Allen, Ann and Gordon Getty, Anne H. Bass, and Barney Ebsworth. Together with her global team, Bonnie has been a key player in Christie's strategy to invest heavily in technology and diversify its offering. These initiatives continue to attract a younger clientele.

Before joining Christie's in 2012, Bonnie accumulated over 15 years of experience in the auction industry, holding various marketing and leadership roles at Sotheby's. She holds a Bachelor of Arts in Art History and Communications from Northwestern University.

In addition to her professional career, Bonnie is committed to philanthropy and community service. She serves on the board of trustees for Calvary Hospital, New York and the Academy of the Sacred Heart in Bloomfield Hills, Michigan.