Hélène Rihalhrihal@christies.com+33 (0)1 40 76 86 13Read Bio
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Old Master DrawingsParisHead of Department
Daphné RiouDRiou@christies.com+1 212 468 7124Read Bio
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DesignNew YorkSVP, Senior Specialist, Head of Americas
Sumiko Robertssroberts@christies.comRead Bio
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Client AdvisoryLondonDirector, Senior Client Advisor
Margot Rosenbergmrosenberg@christies.comRead Bio
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Client AdvisoryNew YorkDeputy Chairman
Rebecca RossUSWatches@christies.com+1 212 636 2320Read Bio
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Watches & WristwatchesNew YorkVP, Head of Sale, Watches
Alexander Rotterarotter@christies.com+ 1 212 636 2101Read Bio
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Post-War & Contemporary ArtNew YorkChairman
Mathieu Ruffatmruffat@christies.com+41 75 431 90 40
Department:Location:Title:
Watches & WristwatchesGenevaSpecialist EMEA & Americas
Watches & WristwatchesNew YorkSpecialist EMEA & Americas
Watches & WristwatchesParisSpecialist EMEA & Americas
Zacharie Zeezachariezee@christies.com+852 2978 6744
Department:Location:Title:
Watches & WristwatchesHong KongCataloguer
Grace Zhuang (莊俊)gzhuang@christies.com+86 21 2226 1530Read Bio
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Impressionist & Modern ArtShanghaiVice President, Senior Specialist, Head of Sale
Modern & Contemporary Art, Asia Pacific ShanghaiVice President, Senior Specialist, Head of Sale