Growth Lead (Remote)

Zenna is on a mission to revolutionize migraine care. Using cutting-edge sound technology and neuroscience, our mobile app delivers fast, natural solution through personalized brainwave soundscapes—helping people living with migraine reclaim their quality of life.

We’ve already proven it works: after a viral surge on social media, our user base tripled in just 48 hours in Red Note. Now, we’re expanding our team to harness this momentum and build a global community of engaged, supported users.

We’re looking for a Growth Lead to own our user acquisition and retention strategy—whether you’re a rising growth marketer ready for your next challenge or a seasoned leader eager to build something from the ground up.

Why Join Us?

• Make a Real Impact: Help thousands of people live and work free from the limits of migraines.
• Proven Traction: We’ve achieved product-market fit and demonstrated success with rapid viral growth—now we’re scaling globally.
• Technology Advantage: Access to unique clinical outcome (migraine frequency, intensity, medication reduction) that sets us apart in digital health.
• Collaborative Team: Work with leading doctors, neuroscientists, and experienced health tech entrepreneurs.
• Compensation: Flexible with equity upside.

Tasks

️ What You’ll Do

• Scale User Growth: Lead and execute creative growth strategies to take us from thousands to tens of thousands of users worldwide.
• Performance Marketing: Run high-impact campaigns on TikTok and Instagram (must-have), plus test new channels and platforms.
• Influencer Collaborations: Build and manage relationships with creators, health advocates, and community leaders to fuel organic and viral growth.
• Funnel Optimization: Design, test, and refine the entire user journey—from awareness → onboarding → subscription → retention.
• Experimentation: Run growth experiments to increase session frequency, symptom tracking, and long-term engagement.
• Partnerships: Drive collaborations with health communities, advocacy groups, corporate wellness programs, and complementary wellness apps.
• Data-Driven Decisions: Use clinical and engagement data to improve CAC/LTV ratios and inform marketing strategy.

Requirements

About You

• Hands-on experience with growth marketing and user acquisition, especially on TikTok and Instagram.
• Familiarity with app store optimization, paid social, and search marketing.
• Comfort with growth experiments, cohort analysis, and data-driven decision-making.
• Understanding of patient privacy, healthcare compliance, or a strong willingness to learn.
• Strong communication skills to collaborate across product, marketing, and clinical teams.

Nice to have:

• Experience with Xiaohongshu (Red Note) or other emerging social platforms.
• Background in influencer partnerships, digital health, wellness, or pain/neurology-focused products.
• Exposure to D2C and B2B2C growth.

Benefits

Why Zenna?

• Mission-Driven : Help revolutionize mental health care with innovative solutions that make a real difference in people's lives.
• Co-founder Equity – Own a share of the company from the start and help build a lasting legacy.
• Office space in Euston, London – Work alongside other deep-tech founders and ecosystem players at Zinc VC.
• Zinc VC Network & Support – Access to coaching, investor networks, mentors, and business support.
• Salary post-investment – Competitive pay after funding.

Ready to Grow With Us?

This is your chance to shape the growth engine of a breakthrough health tech startup at a pivotal moment. If you’re excited by the challenge of scaling a proven product, experimenting with new growth channels, and building a supportive global community—we’d love to hear from you.