Job Description
Seed Health is a microbiome science company pioneering clinically validated innovations for gut and whole-body health. Our portfolio of gut-directed products is developed in collaboration with leading scientists and backed by human clinical research. We’re best known for DS-01® Daily Synbiotic—the #1 digestive health probiotic in the U.S.—trusted by millions of people for its benefits in and beyond the gut, including skin, immune, and heart health. We’ve since expanded our offerings to include PDS-08® for pediatric health, VS-01™ for vaginal health, and a new category of Co-Biotics for daily nutrition, energy, and sleep—each grounded in our commitment to scientific rigor, precision formulation, and impact across the body’s interconnected systems. Beyond the body, SeedLabs—our environmental research division—advances microbial solutions that restore biodiversity and support ecosystems affected by human activity. We’ve built a profitable DTC business with category-leading retention, grown revenue 5x in the last 36 months, and expanded our reach across new channels and markets. With a robust clinical pipeline and continued expansion into new areas of microbiome health, we’re building for scale—with integrity, care, and curiosity. Our work has been recognized by Fast Company (Most Innovative Companies, Brands That Matter, World Changing Ideas), TIME (Best Inventions), Forbes (America’s Best Startup Employers), and Inc. (Best in Business, Female Founder 100)—a reflection of the science behind our products and the stories we tell to bring them into the world. We’re a galaxy-class team of researchers, clinicians, designers, engineers, storytellers, and builders—each aligned in our belief in the transformative potential of the microbiome. If you’re a kindred dot-connector looking to shape the future of health, join us. seedhealth.com seed.com luca.bio You As the Senior Manager of Growth Marketing, you will own the performance and execution of Seed’s paid acquisition channels. You will be responsible for translating high-level growth targets into best-in-class channel strategy and execution driving efficient customer acquisition through rigorous optimization, creative innovation, and data-driven decision making. You will act as the connective tissue between agency partners, creative, influencer, and analytics teams, ensuring alignment between strategy and execution. A key part of your role will be leading and scaling Seed’s whitelisting and creator amplification efforts, partnering closely with the Creative Strategist to unlock high-performing, conversion-driven creative. This role requires a strong operator mindset; someone who is equally comfortable being hands-on in-platform, managing external partners, and shaping testing roadmaps that drive meaningful business impact. You will play a critical role in hitting CAC and subscriber targets, while continuously pushing the boundaries of performance through creative, channel, and process innovation. You are eager to make an impact, not only on the growth of the business, but on how science-backed products are brought to market in a way that is accessible, compelling, and performance-driven. Who You Are Proven track record managing and scaling paid acquisition channels with 7+ years of experience in a high-growth DTC environment. Deep expertise in paid social acquisition with an emphasis on Meta and TikTok. Consistent record of meeting and exceeding ambitious channel targets and business outcomes. Highly analytical and detail-oriented, with the ability to translate performance data into clear, actionable insights across creative, audience, and bidding strategies. Strong grasp of performance marketing fundamentals, including CAC efficiency, incrementality, attribution, and marginal return dynamics (+ how to apply them in execution). Demonstrated ability to navigate ambiguity in evolving business objectives, new product launches, KPIs, and insights. Experienced in managing external agencies as an extension of your team, setting clear expectations, holding a high performance bar, and ensuring work is aligned to business goals. Deep understanding of creator-led and whitelisted advertising, with the ability to operationalize and scale programs that drive performance through authentic, high-converting creative. Excellent communicator and collaborator who can clearly articulate performance, insights, and recommendations to cross-functional partners, including creative, influencer, and analytics teams. What You’ll Do Own the day-to-day performance, execution, and optimization of select paid channels with a constant focus on finding incremental opportunities to support the business Serve as