Head of Growth

About the role

Happy Socks is looking for a Head of Growth to own performance marketing strategy, budget, and execution across Meta, TikTok, Google Ads, Affiliate and SEO. This hands‑on leadership role will set acquisition strategy, run rigorous measurement (MMM, incrementality testing) and build systems and creative pipelines to scale paid and organic growth globally.

Key responsibilities

• Own strategy, budget allocation and day‑to‑day execution across Meta, TikTok, Google Ads and SEO, managing an annual performance marketing budget of €100‑500k+.
• Lead measurement stack including Marketing Mix Modelling and incrementality testing, manage attribution tools and translate insights into budget decisions.
• Oversee paid social creative pipeline end‑to‑end, partnering with in‑house creative and external agencies.
• Identify automation opportunities for marketing operations and evaluate vendor/platform partnerships.
• Act as connective tissue between performance marketing, CRM, organic social, PR and e‑commerce, and manage a small direct team.

Required profile

• 2‑3+ years of growth/performance marketing experience with multi‑channel paid budgets at scale.
• Strong financial KPI focus (ROAS, CAC, LTV, DP2, CIR/MER) and experience with measurement beyond last‑click.
• Proven cross‑functional leadership at the intersection of marketing, creative and data.
• Non‑traditional or founder backgrounds welcome if commercial ownership is demonstrated.

Required skills

• Professional experience with Meta Ads Manager, TikTok Ads Manager and Google Ads for D2C brands.
• Hands‑on use of attribution and measurement tools such as Funnel.io, Fospha, Triple Whale or Northbeam.
• Data extraction and analysis in Google Sheets; data visualization with Looker Studio or Sigma.
• Automation and scripting experience (e.g., n8n, AI‑assisted workflows).