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Leah BrowneLB

Leah Browne

Growth Marketing Consultant

€579/day
London, GB
15+ years

Average response time: 1 hour

About Leah

Growth Marketing Lead with 10+ years’ experience driving scalable growth across B2B and B2C businesses, from early-stage ventures to global organisations. I lead acquisition, experimentation and performance strategy end to end, with full accountability for commercial outcomes. Experienced managing teams and £25M+ budgets, delivering measurable growth through data-led decision making and cross-channel optimisation.
  • English

    Native or bilingual

Can work on-site
London (up to 50km)

Experience

  • OnAir Media
    Director of Marketing
    ENTERTAINMENT AND LEISURE
    June 2025 - November 2025 (5 months)
    London, United Kingdom
    • Lead brand relaunch and go-to-market strategy for event streaming platform, building marketing function and positioning company for B2B/B2C growth across customer acquisition, CRM and partnership development.
    • End-to-end management of Contentful CMS and CRM platforms, overseeing website content architecture, publishing workflows, SEO delivery, and cross-channel coordination for live event launches.
    • Coordinating cross-functional stakeholders across programming, commercial, and operations to manage event timelines, content scheduling, and campaign delivery while implementing GA4/GTM tracking infrastructure
    Go-to-Market (GTM) Strategy Growth Strategy Digital Marketing Social media
  • Centrica
    Performance Marketing Lead
    ENERGY AND UTILITIES
    November 2022 - July 2025 (2 years and 8 months)
    • Led performance marketing strategy across Centrica's Net Zero product portfolio (Solar, EV, Smart Home, Heat Pumps) with £1M+ budget ownership, driving customer acquisition at scale across Centrica's transition to sustainable energy solutions and establishing market leadership in residential Net Zero technology
    • Architected AI-driven marketing infrastructure that unified real-time data across paid media, web analytics, and CRM systems - enabling automated optimisation at enterprise scale that delivered annual lead generation targets by Q2 while reducing cost per lead by 27%
    • Partnered with C-suite and cross-functional leaders across Product, Sales, Data, and Technology to transform attribution modeling and campaign measurement, improving strategic decision-making and establishing performance frameworks adopted across the wider organisation
    • Drove digital transformation by transitioning the marketing function from manual optimisation to AI-led automation, improving lead quality and pipeline velocity while creating scalable acquisition playbooks that de-risked future product launches
    Performance Marketing KPIs and Metric Definition and Monitoring
  • Aviation Technical Services Barbados
    Growth Strategy Consultant
    AVIATION AND AEROSPACE
    February 2022 - October 2022 (8 months)
    • Developed comprehensive growth strategy for aviation maintenance startup, building financial models, market entry plans, and 3-5 year roadmap that positioned early-stage business for investment and regional expansion
    • Secured $250K seed funding through investor pitch, translating technical operations into compelling commercial narrative and establishing a runway for market launch.
    Go-to-Market (GTM) Strategy Growth Strategy

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Education

  • MBA
    University of Surrey
    2011
    Masters in Business Administration

Skill set

Categories