Owns marketplace strategy, P&L, revenue, margin, assortment, pricing, promotions, advertising, fulfillment, account health, and technical integrations across Amazon, eBay, and Walmart. Manages Seller Central, Seller Hub, Seller Center, Rithum, listing quality, feeds, reporting, compliance, and marketplace operations. Partners with category management, content, data, IT, customer service, agencies, and platform representatives to grow channels and resolve operational issues.