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Function Health is an AI-powered health operating system that has raised $298M in Series B funding and been recognized as one of Fast Company's Most Innovative Companies of 2024. The company combines comprehensive lab testing, imaging, longitudinal data, and AI-driven clinical guidance to give members continuous insight into their health and actionable next steps. With over 500,000 members, Function is scaling an integrated platform spanning testing, imaging, mobile phlebotomy, and supplement optimization.
As Head of Organic Growth, you will own the product-led and content-led growth strategies that drive member acquisition without relying on paid channels. You report directly to the VP of Growth and lead three core pillars:
**K-Factor & Virality**: Design and launch referral programs that increase member-to-member spread. Map viral cycle time, identify friction points in referral surfaces, and partner with Product to build shareable moments into the experience (e.g., biological age results). Turn members into the company's most effective growth channel.
**Funnel & CRO**: Maximize conversion across web, app, checkout, and onboarding. Lead A/B testing cadence with statistical discipline, identify and recover drop-offs at every funnel stage, and design recovery flows for high-intent leads. Own the organic loops that convert new audiences into paying members as Function expands access.
**Search Everywhere (SEO, GEO, YouTube)**: Build Function's authority in health education and continuous health. Ensure Function surfaces in traditional search, AI-driven discovery tools, and YouTube (the world's second-largest search engine). Own YouTube discoverability with keyword research, content strategy, and channel architecture. Develop content grounded in genuine health authority that earns trust before paywall exposure.
**Measurement, Team & Operations**: Build attribution models across referral, search, video, and lifecycle channels. Recruit and manage a lean team of specialists and external partners. Use AI tools natively across research, content production, experimentation, and operations.
This is an execution-first role requiring hands-on involvement in experiments, briefs, funnels, and shipping. You'll collaborate closely with Product, Lifecycle, and Creative leadership. The ideal candidate has 10+ years in organic growth, SEO, or product-led growth with a track record of compounding results, is an AI-forward operator, and moves fast with systems thinking.
