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Barbara MackeyBM

Barbara Mackey

Looker Studio & GA4 Expert

€463/day
London, GB
15+ years

Average response time: 1 hour

About Barbara

Hi, I’m Barbara, a data analyst and Looker Studio expert, and Udemy instructor with 2,000+ students learning how to build clear, actionable dashboards.

I help businesses turn their data into insights they can actually use. I specialise in Google Analytics 4, Looker Studio and BigQuery, creating dashboards that are not only visually clean, but designed around real business questions and decision-making.

I have over 20 years of experience in digital and analytics, working with brands like NET-A-PORTER, Zara, Mango and Black+Decker, and I also run a bilingual blog where I share practical tutorials and best practices.

I typically support clients with:

- GA4 analysis and reporting (traffic, funnels, performance)
- Looker Studio dashboards (executive, marketing, operational)
- KPI definition and measurement frameworks
- Improving existing dashboards to make them clearer and more actionable
- Data modelling and preparation

If you’re looking for someone who combines hands-on experience with a teaching mindset, making complex data simple and useful. I’d be happy to help.
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • MKwise.net
    Co-Founder
    April 2023 - Today (3 years and 2 months)
    United Kingdom
    My services at MKwise.net:

    ■ Data strategy & measurement frameworks
    Define what to track and how to structure your data to support real business decisions

    ■ GA4 & digital analytics implementation
    Set up and optimise GA4 and tracking systems for accurate, reliable data

    ■ Data modelling & transformation (BigQuery)
    Design and structure data models that turn raw data into meaningful, analysis-ready datasets

    ■ Looker Studio dashboards & reporting
    Build clean, interactive dashboards that make performance easy to understand and act on

    ■ Marketing & revenue performance analysis
    Analyse channels, campaigns, and customer journeys to identify growth opportunities

    ■ Data integration (GA4, BigQuery, Sheets, CRM, etc.)
    Connect multiple data sources into a single, reliable reporting layer

    ■ Training
    Help teams understand their data and confidently use dashboards and reports
    BigQuery Google Analytics Data analysis KPIs and Metric Definition and Monitoring Looker Studio
  • Kantan
    Data and Analytics Lead
    November 2021 - May 2023 (1 year and 6 months)
    London, United Kingdom
    I was responsible for shaping the company’s data strategy and translating complex data into actionable insights for the business. I led the implementation of analytics frameworks and reporting solutions, working closely with cross-functional teams to support decision-making across marketing, product, and operations. My role combined hands-on data work with strategic thinking; designing dashboards, improving data quality, and ensuring stakeholders had clear, reliable insights to drive performance and growth.
    Google Analytics Data analysis Metabase DBT
  • Freelance
    Digital Analyst Freelance
    January 2018 - December 2021 (3 years and 11 months)
    London, UK
    Since 2018 I have worked as a full or part time freelance doing Data Analysis, A/B testing, Web Analytics implementations and creation of automated dashboards (mainly using Data Studio) for different agencies, such as Salmon or Blue State Digital.
    Google Analytics Data analysis Data visualization KPIs and Metric Definition and Monitoring

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Education

  • Data Engineering Nanodegree Intro to Statistics with R: Introduction Introduction to Data Science in Python Introduction to R
    Data Engineering Nanodegree Intro to Statistics with R: Introduction Introduction to Data Science in Python Introduction to R
  • Bachelor of Advertising and
    Universidad Complutense de Madrid
    2006
    Bachelor of Advertising and

Skill set

Categories