Own post-sale relationships with a portfolio of B2B and enterprise clients, driving retention, cross-selling, upselling, and revenue growth. Build account management processes, conduct account reviews, identify customer risks, maintain Salesforce records, and collaborate with sales, product, and trading teams. The role requires extensive enterprise account management experience, familiarity with fintech or payments, and strong English communication. Native Mandarin is required for the Asia Pacific position based in Hong Kong.