Responsibilities

• As our Growth Marketing Manager, you’ll run the strategy, execution, and optimization of campaigns across both sides of our business:
• B2B (Apparel, Health & Wellness) : pipeline, sales support, and account-based programs.
• B2C (Weight loss / MeThreeSixty) : user acquisition, activation, and retention.
• This is a hands-on role for a builder. You’ll shape how growth is done at Size Stream, not inherit legacy processes. You’ll work across channels, test quickly, and use data to raise performance. You’ll also bring a modern, AI-first approach to personalization, content creation, and workflow automation. You’ll have direct ownership of growth outcomes across B2B and B2C.
• This role suits someone who can think strategically, execute effectively, and stay close to numbers.
• Drive Campaign Strategy & Execution
• Design and run multi-channel campaigns (1:1, 1:few, 1:many) targeting enterprise and mid-market accounts.
• Own pipeline targets for B2B and acquisition/retention metrics for B2C.
• Run integrated programs across email, paid ads, SEO/SEM, mobile app channels, and outbound campaigns.
• Manage outside agencies and ensure they’re aligned with our ICPs in apparel, health, and weight management.
• Move accounts and users through the full funnel: awareness → engagement → consideration → decision → retention → advocacy.
• Build Cross-Functional Campaigns
• Create clear campaign briefs with goals, timelines, and KPIs.
• Work directly with Sales, Client Success, and Leadership to align account targeting, messaging, and lead flow.
• Translate technical product value into simple, outcome-focused messaging for both business buyers and consumers.
• Develop repeatable playbooks to scale what works.
• Optimize, Measure, and Improve
• Track performance and improve campaigns week over week.
• Build and refine landing pages, onboarding flows, nurture paths, and mobile acquisition funnels.
• Develop dashboards that highlight ROI, velocity, and marketing-sourced revenue at improving metrics. (Note: original mentions ROI, velocity, and marketing-sourced revenue)