Gemcult is a premium fine-jewelry and lab-grown-diamond (LGD) brand selling engagement rings and fine jewelry to the US market, built on independently certified (GIA / GCAL) super-precision-cut diamonds. We're launching now — and looking for one owner to drive the entire D2C ecommerce and growth engine. Gemcult is backed by an established gem & jewelry manufacturer-exporter, combining startup ownership with the stability and supply chain of a serious operator. This is a builder-operator role, not an agency-management seat. You'll own the revenue number and build our acquisition channels hands-on — including a first-of-its-kind India-to-US live commerce operation across Facebook Live, eBay Live, Instagram, and TikTok Shop. Key Responsibilities • Own the US D2C revenue number, P&L, and unit economics (CAC, LTV, ROAS, contribution margin, AOV, repeat rate) • Drive performance marketing / paid acquisition across Meta, Google, and social; manage the SEO agency to outcomes • Build and run the live commerce channel end-to-end — stream calendar, live merchandising, and host team — from zero • Own Shopify site conversion (CRO) and lifecycle / CRM / retention marketing (email, SMS) • Build and coach a lean, high-performing growth marketing team Requirements • 5–8 years in D2C / ecommerce growth or performance marketing, with a revenue line you've personally owned • Hands-on across paid media + CRM + CRO — not just managing agencies or dashboards • Strong command of CAC, LTV, ROAS, contribution margin, and payback; data-fluent (GA4, dashboards) • Comfort selling high-AOV, considered purchases (jewelry / luxury / diamonds a plus) • Live commerce, livestream selling, and/or US-market experience a strong plus • Shopify ecosystem experience preferred Essentials: Mumbai · in-office · US-overlap (evening) hours · Reports directly to the Founder On offer: real P&L ownership, equity/ESOP, and the chance to build a greenfield live-commerce channel for a premium international brand. Skills / Keywords: D2C, Direct-to-Consumer, Ecommerce, Head of Ecommerce, Growth Marketing, Head of Growth, Performance Marketing, Shopify, Meta Ads, Google Ads, Live Commerce, TikTok Shop, CRM, Retention Marketing, CRO, CAC, LTV, ROAS, Jewelry, Lab-Grown Diamonds