Senior Product Marketing Manager

MEET SIENA

Siena is the Agent of Record for consumer brands. One agent that owns the entire customer journey, running on a shared intelligence layer no point tool can replicate.

Consumer brands run ten or more disconnected tools to manage their customers. We collapse that stack into a single agent. It started with support, the hardest surface a brand has, and it expands from there: Shopping Agent, Social Agent, Siena working alongside a brand's own operators. One agent across every surface, with shared memory, shared context, and shared tools.

Hundreds of brands already run real customer volume on Siena in production. This is built, working, and growing, and we are racing to build what comes next.

THE TEAM

We are a small, fully distributed, global team. We have built leverage into how we work, which is what lets a team this size move at the speed we do.

We hire athletes. Everyone here owns real outcomes, defaults to writing over meetings, communicates with directness, and acts the moment they see something worth acting on. Low ego, high standards, fast clock.

If you want to own real problems rather than close tickets, keep reading.

ABOUT THE ROLE

This role is built for someone who bridges the gap between customer wins and sales ammunition - turning product launches into market moments, customer stories into case studies, and competitive situations into wins. You'll work directly with our co-founders and GTM team to create the systematic marketing infrastructure that drives enterprise deals. If you have experience turning B2B customer success into compelling marketing assets that close deals, this is your opportunity to build a marketing function from the ground up.

WHAT YOU'LL DO

- Own end-to-end product launches - external market releases and internal team education - with full positioning, enablement, and amplification.

- Manage complete customer success story lifecycle from identification through interviews, content creation, legal approva...