Siena Raises $17M in Series A Funding Led by York IE

Siena, a NYC-based provider of an AI-driven customer experience platform for consumer brands, has raised $17 million in a Series A funding round, bringing the total amount to $29.7 million.

The round was led by York IE with participation from Joyance Ventures, Aglaé Ventures, and Sierra Ventures.

The company plans to use the capital to develop more autonomous AI agents and expand the infrastructure consumer brands use to serve customers and grow revenue.

What is Siena?

Siena provides an AI-powered customer experience platform that helps consumer brands manage customer interactions across support, shopping, social media, messaging and voice.

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Siena’s Shopping Agent and Social Agent can answer customer questions, recommend products and complete purchases directly within conversations. Its social tools also support moderation, community engagement and customer service across comments and direct messages.

The company’s voice agents use the same customer context, while its shared inbox allows human and AI teams to work together. Siena also offers tools such as A/B testing, a Quality Suite for evaluating agent performance and Autopilot for building AI agents.

How Much Funding Has Siena Raised?

Siena has raised a total of $29.7 million following its latest $17 million Series A round.

The Series A was led by York IE, with participation from Joyance Ventures, Aglaé Ventures and Sierra Ventures.

The source does not provide details about Siena’s earlier funding rounds or their individual investors.

Who Invested in Siena’s Series A?

York IE led Siena’s $17 million Series A funding round.

Joyance Ventures, Aglaé Ventures and Sierra Ventures also participated in the round.

Why the Funding Matters

Siena plans to use the new funding to build more autonomous AI agents and expand the infrastructure available to consumer brands.

The company is focused on helping brands use AI across customer support, shopping, social media, voice and other customer-facing functions while maintaining shared customer context.

Who founded Siena?

Siena was founded in 2023 by Andrei Negrau and Lisa Popovici.

The company is headquartered in New York City and focuses on AI-powered customer experience solution's for consumer brands.

Market and Business Growth

Siena currently works with hundreds of consumer brands, including FIGS, SPANX, Comfrt, HexClad, Grüns, Caraway and Kitsch.

The company says its platform can automate up to 80% of customer interactions across its customer deployments.

Siena is expanding its platform across customer support, shopping, social, voice, retention and customer insights.

What Happens Next?

Siena plans to use the new capital to develop more autonomous agents and expand its customer experience infrastructure.

The company will continue building tools that allow AI agents and human teams to work with shared customer information across different customer-facing channels.

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