Harry Dalmeny

  • Honorary Chairman, Sotheby’s UK
London

Biography

Harry Dalmeny (now the Earl of Rosebery) began his career at Sotheby’s as a graduate trainee in 1990. He became a Director in the House Sale department in 1999 and rose to Chairman of Sotheby’s Olympia in 2003. Here, he continued to oversee House and Single-Owner sales whilst managing the strategic development of Sotheby’s Olympia. Harry was appointed Chairman of Sotheby’s UK & Ireland in 2017, and Honorary Chairman of Sotheby’s UK & Ireland in 2025. In this capacity, he leads Sotheby’s client-focused activities in the UK & Ireland, and ensures a continued rich trajectory for Sotheby’s long tradition of landmark house and single-owner sales.

Harry has played a leading role in many of the most significant Single-Owner sales of the last quarter century, including the “Duke & Duchess of Windsor” (February 1998), “Chatsworth: The Attic Sale” (October 2010), and more recently, “The Family Collection of the late Countess Mountbatten of Burma” (2021). He is auctioneer for the biannual Old Master Evening Sales in London.  Over the course of the pandemic, Harry played a role in the success of Sotheby’s award-winning livestream hybrid auction series. Renowned for his ‘sixth sense’ on the rostrum, Lord Rosebery has auctioneered hundreds of charity sales and in turn has helped to raise over £150m for charitable organisations over the course of his career. 

Prior to joining Sotheby’s, Harry studied at Trinity College, Cambridge, where he gained a Masters Degree in History of Art.

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