Senior Manager, Growth Marketing, Web + Mobile

Senior Manager, Growth Marketing, Web + Mobile

About Begin

Begin is a market-leading early childhood platform that delivers personalized, play-based learning to children ages 2–10 through its Early Learning Memberships ©, serving over 15 million families since inception. Begin's products have been built on $50MM+ of foundational research and development, a proprietary "Milestones that Matter ©" curriculum validated by NYU, UCLA, and the NSF, and one of the most comprehensive multimedia catalogs for early learning. Begin is beloved having earned 65+ awards, industry-leading NPS and CSAT scores, and recognition such as TIME's "World's Top EdTech Companies". Begin is building on its trusted brand, data, and engagement engine to launch Sage © a trusted family companion that helps parents feel confident in every early childhood decision. By combining AI-driven insights with expert-backed guidance, Sage © supports parents in navigating the learning, development, enrichment, and purchasing choices that shape the early years.

Begin is backed by category-defining investors including Sesame Workshop, the most renowned preschool brand in the world, and Magnetar Capital, the founding team behind CoreWeave. Its Board and Leadership Team have built multi-billion-dollar, category defining ventures across music streaming, fin tech, and SAAS.

Begin is uniquely positioned to become the trusted operating system for families during the most formative years of a child's life.

What You Will Own

Growth Strategy & Business Leadership

• Own the overarching acquisition and growth strategy across web and mobile platforms.
• Develop scalable growth frameworks that optimize for long-term subscriber value, not just short-term volume.
• Lead budget allocation and investment strategy across channels, balancing efficiency, incrementality, diversification, and scale.
• Identify and unlock new growth opportunities across emerging platforms, partnerships such as affiliates, creators, and other media channels.
• Partner closely with executive leadership on growth planning, forecasting, and strategic business decisions.
• Influence company-wide prioritization through data-driven insights on customer acquisition, retention, and monetization.
• Leverage AI-powered tools and automation to improve growth marketing workflows — increasing decision velocity, operational efficiency, and scalability across the acquisition funnel.

Performance Marketing & Full-Funnel Optimization

• Own and scale all paid acquisition channels, including:
• Meta
• Google (Search, YouTube, Display, App Campaigns)
• Apple Search Ads
• TikTok
• Pinterest
• Programmatic Display Networks
• Affiliate and partnership channels
• Emerging acquisition platforms
• Lead top of funnel optimization from impression → click → install → trial → subscription and partner with Product team on ensuring new subscribers are high value with a strong CLTV:CAC.
• Design and operationalize sophisticated experimentation frameworks across:
• Creative strategy
• Audience segmentation
• Incrementality testing
• Bidding and media optimization
• Web Landing pages
• App Store optimization
• Trial structures (collaborating with Product team)
• Onboarding and activation flows (collaborating with Product team)
• Collaborate with Product Managers to improve conversion rate optimization initiatives across both web and mobile user journey
• Establish scalable testing infrastructure and best practices across growth channels

Measurement, Attribution & Growth Analytics

• Own acquisition forecasting, KPI modeling, media pacing, and growth reporting.
• Define and evolve the company's measurement framework across web and app ecosystems.
• Partner closely with Data and Engineering teams to improve:
• Attribution accuracy
• Event instrumentation
• MMM and incrementality capabilities
• LTV forecasting
• Cohort analysis
• Build scalable decision-making frameworks grounded in CAC efficiency, payback periods, retention curves, and contribution margin.
• Maintain deep expertise in:
• AppsFlyer / MMPs
• GA4
• Looker and BI platforms
• ATT / SKAdNetwork ecosystem changes
• Attribution modeling and privacy-first measurement
• Translate complex performance data into clear executive-level narratives and strategic recommendations.

Creative Strategy & Brand Stewardship

• Develop high-performing, insight-driven campaigns across formats and channels, using AI as a force multiplier for creative iteration, audience targeting, and growth optimization.
• Guide creative strategy using performance insights, audience behavior, and platform-native best practices.
• Ensure performance marketing strengthens long-term brand trust and customer affinity.

Cross-Functional Leadership

• Serve as a key growth partner across Product, CRM, Lifecycle, Data Science, Engineering, Finance, and Creative.
• Influence product roadmap decisions through growth channel insights and customer behavior analysis.
• Collaborate with CRM teams to improve lead to sign up acquisition.
• Build strong external relationships with potential agencies, platform partners, and vendors.
• Establish operational rigor, scalable processes, and clear performance accountability across growth initiatives.

Team Leadership & Organizational Impact

• Mentor and develop high-performing growth talent as the team scales.
• Help define the future structure, capabilities, and operating model of Begin's Growth organization.
• Foster a culture of experimentation, ownership, analytical rigor, and continuous learning.

Who You Are

You may be a strong fit if you:

• Have built and scaled multi-channel acquisition programs across both web and mobile ecosystems at meaningful scale.
• Have deep expertise in subscription growth models and understand how to optimize for long-term LTV and retention.
• Bring strong strategic thinking alongside hands-on performance marketing execution.
• Are highly fluent in experimentation, incrementality, attribution, and measurement frameworks.
• Have experience managing and scaling multimillion-dollar media budgets.
• Understand how to balance efficiency, scale, creative quality, and brand integrity.
• Can operate effectively at both executive and tactical levels.
• Thrive in ambiguity and fast-moving environments.
• Are deeply customer-centric and motivated by building products that improve families' lives.

Qualifications

• 7–10+ years of experience in growth marketing, performance marketing, or user acquisition across web and mobile.
• Significant experience in consumer subscription businesses, ideally trial-driven models.
• Proven track record scaling acquisition programs across Meta, Google, TikTok, Apple Search Ads, and additional growth channels.
• Strong expertise in:
• Subscription economics
• LTV modeling
• Funnel optimization
• Attribution and incrementality
• Growth experimentation
• Experience managing multimillion-dollar media budgets with accountability to CAC, ROAS, payback, and contribution margin targets.
• Deep analytical fluency across GA4, Looker, AppsFlyer, Excel/Sheets, and related growth tooling.
• Experience partnering cross-functionally with Product, Data Science, Engineering, and Creative teams.
• Prior people management experience strongly preferred.

Our Ideal Candidate

• You believe growth is about acquiring the right customers, not just more customers.
• You understand that sustainable scale comes from strong fundamentals in measurement, experimentation, and creative iteration.
• You balance analytical rigor with creative instinct.
• You are deeply curious about customer behavior and what motivates families to act.