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Business Development

Sieve· GTM
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San Francisco$175k - $275kFull-timePosted 1mo ago

About the role

Sieve is seeking an inaugural business development lead to build and deepen relationships with frontier AI labs, emerging model companies, and the broader data ecosystem. You will identify new labs, expand relationships within existing customers, shape opportunities, and own programs that generate inbound demand, reporting to the CEO and collaborating with GMs and COO.

Responsibilities

  • Build trusted relationships with researchers, data leaders, product teams, and executives at frontier AI labs and emerging model companies
  • Identify and engage new labs while opening relationships with additional teams and buying centers inside existing customers
  • Map organizations to understand who is working on which models, modalities, capabilities, and data problems
  • Stay close to changes in model training, post-training, evaluations, RL environments, and multimodal research to recognize data needs
  • Develop clear opportunity theses linking researchers' priorities or model limitations to Sieve's data/infrastructure
  • Create and facilitate high-value conversations between external stakeholders and the appropriate Sieve GM
  • Prepare internal teams with context including stakeholder maps, research priorities, customer needs, and recommended next steps
  • Remain involved after introductions to progress opportunities through follow-ups, references, events, and executive engagement
  • Work with the CEO, GMs, and COO to prioritize relationships and opportunities
  • Own strategy and execution for programs that generate inbound demand (events, conferences, ecosystem partnerships, marketing initiatives)
  • Represent Sieve at industry events and in AI researcher communities
  • Build a strong view of the AI data market, track customer needs and competitor activity
  • Maintain a lightweight system for tracking relationships, opportunities, and next steps

Qualifications

  • Deep familiarity with the frontier AI lab and AI data ecosystem, with an existing network or ability to build trusted relationships
  • Experience in strategic business development, partnerships, investing, company-building, or other relationship-driven AI roles
  • Strong understanding of how foundation models are trained and improved (pretraining, post-training, evaluations, human data, multimodal data, RL environments)
  • Technical judgment to understand what makes data useful for training and to converse credibly with AI researchers
  • Exceptional relationship-building skills and judgment to identify meaningful opportunities
  • Ability to communicate fluently with researchers, founders, executives, operators, and commercial stakeholders
  • High agency and capability to execute across relationship development, events, marketing, and zero-to-one initiatives
  • Strong organizational judgment to manage many long-term relationships
  • In-person at San Francisco HQ

Skills

Required:Relationship buildingStrategic thinking

Benefits

  • 401(k) and full health insurance
  • Breakfast, lunch, and dinner covered, plus snacks
  • Ubers covered home
Last updated Sep 9, 2026. Interested? Apply on the company site.
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About Sieve

Video datasets for frontier AI

High quality video data for AI applications.

Video GenerationHuman AvatarsWorld Models
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