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Cristina López Fernández has a diverse work experience in various roles and industries.

- From 2015 to the present, they have been working at Analyticalways, where they started as a Lead Data Scientist and later became the Head of Data. In these roles, they gained experience in analytics, computer science fundamentals, programming languages, and database technologies. Cristina'sskills include Python, R, Apache Spark, Hadoop, data mining, machine learning, statistics, SQL, data visualization, and more.

- In 2015, they worked at Citytime, S.L. as a Business Intelligence Senior Architect, where they performed data mining and acquired knowledge in database-oriented programming and scripting languages like QlikView Visual Script.

- Previously, from 2012 to 2015, they worked at EDISA Sistemas de Inteligencia Empresarial as a Senior Software Analyst and Designer. Here, their responsibilities included data mining in Oracle database, database-oriented programming (PL/SQL), and system administration of QlikView Server and Publisher 11.

- In 2011, they worked on the DVB-S2 Satellite Project at Steinbeis transferzentrum, where they implemented and tested a modulator-demodulator using various programming languages such as Matlab, C++, and Handel-C.

- Cristina also worked at Hispasat from 2008 to 2009, although the specific role and responsibilities are not mentioned.

Cristina López Fernández obtained their Bachelor's degree in Systems and Telecommunications Networks from Universidad Carlos III de Madrid in 2012. In addition to their formal education, they also pursued several additional certifications. In 2018, they completed the "Unsupervised Learning in Python" course at DataCamp. In 2016, they obtained a certification for the "Curso de Big Data y Soluciones de ISVs del Marketplace" from Microsoft. Furthermore, in 2014, they completed multiple online courses including "Exploratory Data Analysis," "Getting and Cleaning Data," "R Programming," and "The Data Scientist's Toolbox" from Coursera Verified Certificates. Lastly, in 2014, they also completed the "Programming Mobile Applications for Android Handheld Systems" course from Coursera.