Provides client support and front-of-house service for an international auction house. Responsibilities include handling inquiries, bidder registration, bid entry, account maintenance, payments, KYC documentation, shipping and collection guidance, post-sale coordination, escalations, shared inboxes, events, and administrative tasks. The role collaborates across Operations, Shipping, Finance, and Specialist teams, supports training and process improvements, and requires flexibility for evening, weekend, and occasional travel needs.