Lead product- and content-led organic growth across virality/referrals, conversion optimization, and search (SEO, AI-driven discovery, YouTube). Run experiments, build attribution, recruit and manage a lean team, and use AI tools to scale member acquisition and retention without paid channels.
Company Overview
Role
Key Responsibilities
Qualifications:
Location
To be a strong fit, you embody our Core Values
Why You'll Love Working With Us
Function Health is the AI operating system for health, designed to empower people to live 100 healthy years. We are redefining how individuals understand, measure, and improve their health by moving beyond the limitations of traditional care and enabling comprehensive, continuous insight into human biology. Function has been recognized as one of Fast Company’s Most Innovative Companies of 2024, and is venture-backed by Redpoint and other leading venture firms. Over half a million members have joined Function to take control of their health.
Through comprehensive lab testing, MRI and CT imaging, longitudinal data, and guidance from AI and clinical teams, Function gives members a complete and continuous view of their health — and the clarity to act on it. Through acquisitions across imaging, mobile phlebotomy, and supplement tracking and optimization, Function is building an integrated health platform that spans the full path from testing to health clarity to daily action.
Function recently announced a $298M Series B and is entering its next chapter of growth. As we scale, the quality and durability of our People systems, data, and insights will directly shape our ability to attract, retain, and support exceptional talent.
We are growing our team and seeking out world-class talent that deeply believes in our mission to positively impact global health, has a relentless bias toward action, and a growth mindset. Function fosters a collaborative and dynamic environment where every day we build the future.
As Head of Organic Growth, you will own the product-led and content-led strategies that compound our member growth without relying on paid channels. This is a high-leverage, execution-first role for someone who moves fast, thinks in systems, and builds with AI at the center of everything they do.
We are at the stage right before “Function = Health” becomes a common mental shortcut. Your job is to make Function the default answer wherever people ask health questions — Google, AI assistants, YouTube, and their own family group chats.
You will own three pillars:
01 K-FACTOR & VIRALITY
Increase member-to-member spread through referral programs, in-product sharing moments, and social proof mechanics that turn our members into our most effective channel.
02 FUNNEL & CRO
Maximize conversion and revenue through website, app, product, and lifecycle funnels — from first touch to paid member to advocate — continuously testing, learning, and improving.
03 SEARCH EVERYWHERE: SEO, GEO & YOUTUBE
Build and maintain organic discovery authority across traditional search, AI-driven answers, and YouTube — the world's second-largest search engine — ensuring Function surfaces where and how people research their health.
You'll report directly to the VP of Growth and lead the three organic growth pillars that determine how Function scales sustainably. This is not a strategy-and-slide-deck role. You'll be deep in the work — running experiments, writing briefs, reviewing funnels, and shipping — while building the team and systems around you. You'll collaborate closely with Product, Lifecycle, and Creative leadership.
VIRALITY & K-FACTOR
- Design, launch, and iterate on referral programs that meaningfully increase k-factor, building mechanics into the product and member experience.
- Map and shrink viral cycle time: instrument every referral surface, identify where member-to-member spread breaks down, and compress the time between a member's first great experience and their first successful referral.
- Partner with Product to build shareable moments natively into the experience — health is multiplayer, and moments like biological age results are made to be shared. Turn members into our most effective growth channel.
FUNNEL & CRO
- Guide conversion from account creation to paid member: identify friction points, prioritize the highest-leverage interventions, and close the gap through structured experimentation.
- Lead A/B testing cadence across web, checkout, onboarding, and lifecycle, with clear statistical discipline and fast learning loops.
- Instrument and recover drop-offs at every funnel stage, segmenting by cohort, persona, and intent signal to design recovery flows that bring high-intent leads back before they go cold.
- As Function expands access with lower-friction entry points, own the organic loops that convert new audiences into paying members.
SEARCH EVERYWHERE: SEO, GEO & YOUTUBE
- Build Function's authority in the category it's creating — own the health education queries that pull people toward continuous, proactive health before they've ever heard of us.
- Ensure Function shows up where and how people search, across traditional engines and AI-driven discovery tools, with a site and content architecture built to support it.
- Own YouTube discoverability: build an intent-driven video strategy that treats YouTube as a search engine — keyword and question research, titles, thumbnails, chapters, and channel architecture — partnering with Creative to turn Function's health education into content that both educates and entertains.
- Develop a content strategy grounded in genuine health information authority that earns trust before a member ever sees a paywall.
MEASUREMENT, TEAM & OPERATIONS
- Build attribution models across referral, search, video, and lifecycle-driven growth with enough precision to drive real investment decisions.
- Recruit, manage, and develop a lean team of specialists and external partners — you set the standard, not just manage to it.
- Use AI tools natively across research, content production, experimentation, and operations, setting the model for how the Growth team works.
AI-FORWARD OPERATOR REQUIRED
- 10+ years in organic growth, SEO, or product-led growth, with a track record of compounding results.
- Hands-on operator who runs experiments themselves — not just directs others to run them.
- Deep technical SEO fluency: crawl architecture, Core Web Vitals, schema, indexing strategy, and log-file analysis.
- Fluent in GEO and AI-driven search: how LLMs surface brands, what signals matter, and how to earn placement.
- Experience growing YouTube or video as an organic discovery channel — video SEO, packaging (titles, thumbnails, hooks), and audience retention mechanics.
- Demonstrated experience designing or scaling referral programs with measurable k-factor impact.
- Strong CRO chops — A/B testing methodology, statistical significance, funnel decomposition.
- Proficient with analytics and experimentation tools (GA4, Amplitude, Looker, or equivalent); can pull and interpret your own data.
- Uses AI tools — Claude, ChatGPT, Perplexity, Cursor, etc. — as a genuine force multiplier, not a novelty.
- Experience building or managing small, high-output teams and agency/contractor relationships.
- Comfortable operating in an early-stage growth environment: ambiguous, fast, high-ownership.
- Strong written communicator who can simplify complex growth concepts for cross-functional and executive audiences.
- Experience in health, wellness, consumer subscription, or another high-trust category is a plus.
We are a remote-first organization that meets quarterly for team onsites in person. Our team is primarily based in the New York and Los Angeles areas, and our onsites are mostly held in NYC, though occasional travel may be expected. New York Tri-State area candidates are preferred but not required.
To be a strong fit, you embody our Core Values
- Ruthless Prioritization:
- We don’t let perfect get in the way of progress.
- We move quickly to drive value, not perfection.
- We prioritize what drives impact.
- We never compromise on standards of excellence.
- Member-First, Always:
- We design and deliver like we’re caring for someone we love.
- We create calendar, actionable, human experience.
- We prioritize responsiveness, peace of mind, and outcomes.
- We empower members with truth, clarity, and care.
- One Team, Moving Fast:
- We are aligned in purpose, prioritization, and speed.
- We gather diverse perspectives to make informed decisions.
- We clear paths for each other and move fast together.
- We communicate clearly and respectfully, rallying around shared goals.
- Radical Ownership, Relentless Execution:
- We don’t just ship– we own outcomes and drive results.
- We act with urgency and precision
- We anticipate, initiate, and follow through.
- We meet challenges with grit and pragmatism.
- We embrace new tech to deliver better outcomes.
- Mission Over Ego:
- We are ruthlessly aligned to our mission - and leave ego at the door.
- We disagree and commit.
- We don't tolerate politics or withholding information.
- We operate with honesty, transparency, and respect.
- Sustained Integrity in Every Detail:
- We earn trust by obsessing over accuracy, quality, and clarity in everything we do.
- We prioritize clinical precision - data must be right.
- We sweat the details because outcomes depend on them.
We value our team at Function and offer a competitive salary and benefits package, flexible working hours, and a dynamic work environment where creativity and innovation are encouraged. If you are a highly motivated and experienced individual who is passionate about using technology to improve people’s lives, we would love to hear from you.
At Function, we celebrate diversity and are committed to building a diverse and inclusive workforce. As an equal opportunity employer, we do not discriminate on the basis of race, color, gender identity, ancestry, religion, age, sexual orientation, national origin, disability, marital status, Veteran status, or any other occupationally irrelevant criteria.
Join the Function Health team and become a part of our mission to build a healthier future for all. Discover more about us and how we're changing the face of healthcare at Function Health.
Important Notice: Legitimate communication from the Function Health team will always come from an email address ending in @functionhealth.com. Function Health will never request personal information such as banking details or payment during the hiring process. Please be cautious of communications or job offers that come from other email domains, instant messaging platforms, or unsolicited calls. If you ever have doubts about the legitimacy of a communication, please reach out to us directly at [email protected].
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