IM

Isabel Martin

Available to hire

I’m Isabel Martin, a data analyst with nine years of experience turning data into practical business insights.

About

I’m Isabel Martin, a data analyst with nine years of experience turning data into practical business insights. I transform complex data into clear dashboards and automated processes, collaborating across Purchasing, Marketing, and Sales to drive smarter decisions.\n\nI’m passionate about applying SQL, Python, BI tools, and Generative AI to accelerate development, optimize performance, and support digital transformation. In my roles at Lidl and beyond, I’ve led cloud reporting initiatives, built scalable reports in MIS, Looker Studio, Tableau, and Excel, and supported profitability analysis and process improvements.

  • 10 years' experience
  • Joined December 2025

Languages

  • Spanish; CastilianFluent
  • EnglishIntermediate
  • GermanIntermediate

Industry experience

  • Retail
  • Software & Internet
  • Media & Entertainment
  • Professional Services

More experts in Barcelona, Spain

Work experience· 4 roles

Data Analyst · LidlAug 2018 – Present · 8 yrs 4 mos

Led reporting optimization and automation of strategic reports (MIS, Sheets, Looker Studio) replacing Excel-based processes; developed 15+ automated reports in the past year, improving update times and data traceability. Implemented Gemini and ChatGPT to accelerate SQL/Python development and optimize report performance; supported task automation, technical documentation, and executive summaries. Conducted in-depth strategic data analyses to identify trends and inform performance tracking, pilot tests, and strategic projects. Drove digital transformation through cloud reporting environment (SharePoint); provided training and cross-departmental support. Assisted with project profitability analyses, ensuring accurate calculations and financial evaluation.

Supply Chain Analyst · LidlDec 2016 – Aug 2018 · 1 yr 9 mos

Diagnosed main causes of product loss (packaging issues, inefficient rotation, security system deficiencies) and proposed operational solutions to buyers, improving warehouse and store efficiency. Implemented process controls and monitoring with tools like WAW and Excel to maintain data quality and detect anomalies. Provided project and profitability advisory support to ensure robust financial evaluation of initiatives.

Junior Manager · FloriCleanJul 2016 – Nov 2016 · 5 mos

Provided administrative support and acquired 2 new clients, resulting in a 20% increase in revenue within two months.

Commercial - Internship · Banco SantanderJul 2012 – Dec 2012 · 6 mos

Education

Master of Business Intelligence · OBS Business School2018
Bachelor of Science: Economics · University of Granada2010 – 2014
Erasmus Program · University of Paderborn2014

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