Siena

Siena is a provider of an AI-powered customer experience operating system for consumer brands and e-commerce businesses. The platform deploys empathic AI agents that handle customer support, shopping assistance, review management, quality assurance, and voice-of-customer analysis across every customer surface. Siena's agents automate up to 80 percent of customer interactions, achieving 98 percent faster response times, 90 percent faster resolution times, and 94.7 percent average customer satisfaction scores. Key capabilities include generative product recommendations that drive revenue and retention, social media engagement and moderation that converts community interactions into ecommerce growth, automated post-purchase workflows handling order tracking, returns, refunds, and replacements, subscription management with skip, pause, and swap functionality, and human collaboration tools including an AI assistant for workflow building and a copilot for drafting on-brand replies. The platform integrates with existing helpdesk systems and custom applications, providing enterprise-grade safety with guardrails and granular brand controls. Siena serves fast-growing brands including Spanx, HexClad, Coterie, Kitsch, Simple Modern, Everyday Dose, Earth Breeze, and MUD WTR. Founded in 2023 and headquartered in Wilmington, United States, the company has raised $4.7M in Series A funding from investors including Sierra Ventures, PPVP, Spacestation Investments, Village Global, The Council, Opensky, and Super Angel.