Retention & Lifecycle Marketing Manager (Email, SMS & Web)

mBIOTA Labs is a clinically backed, women-owned and led medical nutrition company on a mission to transform how people think about - and treat - digestive health. Our products sit at the intersection of healthcare, science, and consumer experience. We build therapeutic, nutrition-based solutions that are rooted in clinical research, shaped by patient needs, and designed to fit into real lives. Digestive health affects millions of people every day, and the work we do has a meaningful impact on quality of life for our customers and patients. We’re a fast-growing startup, which means we move quickly, learn constantly, and operate with a high degree of ownership and collaboration. We’re building a team of thoughtful, curious humans who want to do impactful work while helping scale a company that’s redefining digestive health. The Role We’re looking for a hands‑on Lifecycle Marketing Manager to help run and scale our core lifecycle and owned channels - email, SMS, and website. This role is based in our Santa Monica office and works in person with the broader marketing team. We’re looking for a highly hands‑on Retention & lifecycle Marketing Manager to help scale and optimize our core owned marketing channels - primarily email, SMS, and web. This role will focus on improving customer acquisition, conversion, retention, and lifetime value through thoughtful lifecycle marketing, testing, segmentation, and customer journey optimization. Email marketing will be the primary focus of the role, with SMS and web supporting the broader customer experience. This is a hands‑on role for someone who enjoys both execution and optimization - building campaigns and flows, analyzing performance, running tests, and continuously improving results across owned channels. You’ll partner closely with leadership to execute, refine, and improve our lifecycle marketing strategy over time through experimentation, customer insights, and data‑driven decision making. What You’ll Do Own and optimize lifecycle marketing performance Execute and optimize lifecycle marketing campaigns and automated flows across email and SMS Build and manage customer journeys including welcome, abandoned cart, post‑purchase, replenishment, winback, and nurture flows Analyze lifecycle performance across key metrics including open rate, click‑through rate, conversion rate, retention, revenue per send, and lifecycle revenue contribution Monitor and report on key lifecycle KPIs including retention, repeat purchase rate, revenue per recipient, unsubscribe rate, and customer lifetime value Own regular lifecycle reporting and communicate performance insights, testing results, and optimization opportunities to leadership on a weekly/monthly basis Identify opportunities to improve customer engagement, conversion, retention, and lifetime value Run A/B tests across messaging, segmentation, timing, creative, and offers Use customer behavior and campaign insights to continuously improve lifecycle performance Execute campaigns across owned channels Build and launch email campaigns and flows across Klaviyo and HubSpot Execute campaigns for both direct‑to‑consumer and provider/physician audiences Partner closely with creative and content teams to develop campaign assets and messaging Ensure campaigns are properly segmented, targeted, tracked, and measured Support website and conversion initiatives Launch and update landing pages to support campaigns and growth initiatives Support website merchandising and customer journey improvements across Shopify and/or Squarespace Contribute to conversion rate optimization (CRO) efforts to improve onsite performance Collaborate cross‑functionally Work closely with growth, creative, operations, and leadership teams to launch campaigns and initiatives Support lifecycle touchpoints tied to broader acquisition and retention initiatives Partner with sales and leadership teams on broader provider marketing communications through HubSpot Who You Are 3–5 years of experience in lifecycle marketing, retention marketing, email marketing, or ecommerce marketing Strong hands‑on experience building and managing lifecycle campaigns and automated flows in Klaviyo strongly preferred Experience working within Shopify ecommerce environments required Strong analytical mindset and comfort interpreting campaign and customer data to improve performance Comfortable owning both strategy execution and day‑to‑day campaign operations in a fast‑paced startup environment Strong understanding of customer journeys, segmentation, testing, and retention marketing principles Ability to identify priorities and opportunities in a fast‑paced startup environment with evolving needs and limited resources Organized and detail‑oriented, with the ability to manage multiple campaigns and priorities simultaneously Curious, proactive, and eager to grow into greater ownership over time Located within commutable distance to Santa Monica, CA (4 days/week in office) Nice to Have Experience in supplements, pharmaceuticals, healthcare, or health/wellness industries Basic HTML/CSS knowledge Experience with CRO and landing page optimization Familiarity with subscription or replenishment‑based ecommerce businesses What We Offer Salary Range: $90,000 – $110,000, depending on experience and fit #J-18808-Ljbffr