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Karina Castillo MartínezKC

Karina Castillo Martínez

Data driven Strategist

€450/day
Madrid, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Karina

Digital Marketing Strategist with +10 years of experiencehelping brands grow through multichannel campaigns, advanced analytics, and customer-centric strategies.

I have led end-to-end projects for companies like Walmart Chile (Lider.cl, Super Bodega Acuenta), Mallplaza, and Unilever, managing budgets over €1M and multidisciplinary teams.

My approach combines data and creativity to make decisions that maximize ROI.

How can I help you?
— Paid Media campaign audit and optimization (Google Ads, Meta Ads, LinkedIn Ads, Tiktok Ads)
— Acquisition and conversion strategy (SEO/SEM, sales funnel, growth hacking)
— Web analytics and reporting with GA4, Power BI, and Data Studio
— Digital reputation monitoring, crisis protocols, and social listening (Brandwatch)
— Automation and CRM (Salesforce, Brevo, Mailchimp, with AI)
— E-commerce, UX/UI, and customer journey optimization consulting

I work with tools such as: Google Analytics 4 · GTM · Power BI · Tableau · Salesforce · Hotjar · Zapier · Business Ads

If you are looking for a consultant who understands both strategy and execution, let's talk.
  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Madrid (up to 50km), Barcelona (up to 10km)

Experience

  • Agencia Raya
    HEAD OF REPUTATION & MONITORING
    DIGITAL AND IT
    January 2025 - Today (1 year and 5 months)
    Santiago de Chile, Chile
    Responsible for leading the strategic monitoring team for Mallplaza in Chile, Peru, and Colombia markets; and Unilever Chile, combining active listening with tools like Brandwatch and analysis of campaign performance and social media communications. I identify key insights, trends, and opportunities, anticipating potential reputational crises for timely action. My approach integrates qualitative and quantitative analysis, enabling data-driven decisions that strengthen the brand's image and its connection with local communities.
    Digital Strategy Data Analysis Online Reputation Digital Media Trend Analysis
  • WALMART CHILE
    DIGITAL CAMPAIGNS SPECIALIST
    E-COMMERCE
    January 2021 - January 2024 (3 years)
    Santiago de Chile, Chile
    Management and optimization of campaigns for e-commerce and app. KPI projections, analysis with GA and Power BI, design of sales equations, and collaboration with creative, IT, and commercial areas. Highlighted project: End-to-end launch campaign for SuperBodega Acuenta's e-commerce and 360 digital strategy for Lider.cl.
    Digital Strategy E-commerce Payment Methods Customer Acquisition Sales Funnels
  • AGENCIA RAYA
    DIRECTOR OF ANALYTICS
    DIGITAL AND IT
    January 2016 - January 2021 (5 years)
    Santiago de Chile, Chile
    Team leadership, campaign analysis. Strategic redesign of the analytics area. Insight generation and internal/external consulting. Data integration into the creative process and leadership of digital transformation initiatives. Highlighted project: Restructuring and Digital Transformation of the analytics area.
    Digital Media Digital Strategy Data Analysis Data Visualization Digital Transformation

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Education

  • Digital Marketing with Artificial Intelligence
    INESDI & UNIE
    2024
    Inteligencia Artificial aplicada en Marketing Digital
  • Bachelor of Social Communication, Advertising Major
    UCAB
    2015
    Lic. en Comunicación Social, Mención Publicidad

Skill set

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