Partnerships Development Lead

London · 8+ years experience · Full-time · Onsite · Posted Oct 7, 2026

At a glance

Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia.
We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do.
Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace.

The Partnerships Development Lead will build and nurture a robust ecosystem of partners and stakeholders to amplify Sierra's market impact.
This role involves cultivating strategic customer channels, engaging with VC/PE firms, and aligning partnership efforts with broader go-to-market strategies.

Develop and grow partnerships with key industry players and technology platforms.
Explore and cultivate alternative customer acquisition channels beyond traditional sales.
Leverage Sierra’s ecosystem of investors, partners, and industry influencers to drive inbound interest and adoption.
Align partnership efforts with Sierra’s broader GTM approach in collaboration with Sales and Marketing.
Build and deepen relationships with VCs and PE firms to position Sierra as a strategic AI partner across their portfolios.
Proactively identify opportunities to introduce Sierra to portfolio companies.
Gather market intelligence and share insights to inform product development.
Explore opportunities for potential growth across new market segments and geographies.

8+ years in business development, strategic partnerships, or related roles in tech.
Strong understanding of the VC/PE landscape and experience working with investors.
Proven track record of structuring and closing high-value partnerships with senior stakeholders.
Ability to engage and maintain relationships with C-level executives, investors, and key decision-makers.
Analytical mindset to evaluate partnership opportunities and align them with long-term vision.
Ability to navigate ambiguity in a fast-moving startup environment.