Founding Growth Lead (AI-native B2C mental health, $7M+ raised, backed by Y Combinator, In-Person)

Legion Health • San Francisco, CA

14d • Onsite

About The Position

At Legion Health, we believe everyone deserves fast, affordable, and effective mental health care, and we’re on a mission to deliver that at scale. Legion Health is building a modern clinic , completely AI-native, where our human psychiatrists and AI agents work together to provide world-class care covered by insurance directly to our patients. We combine rich patient data, production AI, and humans-in-the-loop to automate the hardest parts of healthcare operations and deliver measurably better care within our own vertically-integrated sandbox. With 60% of all Texans (18M Americans) able to access Legion via their insurance (most for under $30), our Texas beachhead puts us on pace to 10× next year with a national rollout. Today, with $3M+ ARR , we're aggressively expanding. As Founding Growth Lead at Legion Health , you’ll play a critical role in scaling a category-defining, AI-native psychiatry clinic at a moment of rapid expansion. You’ll own and evolve the systems that drive patient acquisition, activation, and retention—directly impacting how millions of people access fast, affordable, insurance-covered mental health care. This role sits at the intersection of growth, product, analytics, and operations , giving you real leverage to shape both the business and the patient experience as Legion Health scales from a strong Texas beachhead to a national platform.

Requirements

• 2–5+ years of experience in growth, consulting, product strategy, marketing, or a similar operator role.
• Hands-on experience owning or contributing meaningfully to multiple acquisition channels (paid social, SEM, directories, lifecycle comms, referrals, partnerships, SEO, etc.).
• Strong analytical ability, including funnel analysis, experimentation design, and data storytelling , ideally using tools like PostHog and basic SQL.
• A track record of moving quickly in ambiguous environments , prioritizing effectively, and learning through execution.
• Clear written and verbal communication skills and a high bar for quality.
• A strong ownership mindset with the ability to operate autonomously in a fast-moving startup.

Nice To Haves

• Bonus points for experience in digital health, consumer growth, consulting (MBB) , or regulated environments (HIPAA, healthcare advertising).

Responsibilities

• Designing and executing Legion Health’s growth roadmap , prioritizing experiments with the highest potential impact across acquisition, activation, and retention.
• Owning multi-channel growth execution , including performance marketing (Google, Meta), paid + organic social, healthcare directories (Zocdoc, Psychology Today), lifecycle messaging (email, SMS), referrals, partnerships, SEO, and content.
• Running rigorous analytics and experimentation , using PostHog and SQL-friendly tools to analyze funnels, define success metrics, and run A/B tests across channels and product surfaces.
• Improving conversion and patient experience , optimizing landing pages, onboarding flows, scheduling, and lifecycle touchpoints.
• Turning insights into action , synthesizing data, user interviews, and qualitative feedback into clear, prioritized growth decisions.
• Partnering cross-functionally with product, engineering, design, and clinical operations to remove friction while maintaining regulatory compliance and care quality.
• Building scalable playbooks for growth channels that can be repeated, expanded, and eventually handed off as the company scales.

Benefits

• Health Insurance : Medical, dental, and vision benefits
• Additional Perks: In-person retreats, meal stipends, etc.
• Time Off: Flexible, unlimited vacation policy
• Work Hours: Flexible
• Impact : Work on something that truly matters to millions of patients and families.
• Autonomy and Learning : Ownership over your metrics with the freedom to set priorities, shape processes, and drive outcomes end-to-end.
• Growth Opportunities: As we scale, we envision our top performers from our founding team stepping into expanded roles and joining our executive leadership team.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 11-50 employees