General Enquiries & Auction Estimates

For general enquiries about buying and selling at Christie’s, please contact Client Service at info@christies.com or by telephone at +44 (0)20 7839 9060 (London) or +1 212 636 2000 (New York).

For estimate requests, feel free to use our online Auction Estimates service or contact one of our Specialist Departments directly.


Find a Specialist Near You

Find a specialist near you

Christie’s has a global presence with 54 offices in 32 countries and 12 salerooms around the world including in London, New York, Paris, Geneva, Milan, Amsterdam, Dubai, Zürich, Hong Kong, Shanghai, and Mumbai.


Senior Management Team

  • Sarah-Vandeweerdt-Estates-Appraisals-Valuations-Americas
    Senior Vice President, Head of Estates, Appraisals & Valuations, Americas
    Sarah Vandeweerdt
    svandeweerdt@christies.com +1 212 636 2389
  • Mark Wrey
    Senior Director, Head of Estates, Appraisals & Valuations, EMERI
    Mark Wrey
    mwrey@christies.com +44 207 389 2464
  • Grégoire Debuire
    Directeur Département Inventaires, Christie's Paris
    Grégoire Debuire
    gdebuire@christies.com +33 140 768 566


  • Bonnie-Brennan-Estates-Appraisals-Valuations-Americas
    Senior Vice President, Senior Director Head of Trusts, Estates & Wealth Management Services
    Bonnie Brennan
    bbrennan@christies.com +1 212 641 3629
  • Ruth Cornett
    Director, Heritage & Taxation Advisory Service
    Ruth Cornett
    rcornett@christies.com