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David Cahill Marrón has a diverse work experience, starting with their current position at Lodgify as a Data Engineer since 2023. Prior to that, they worked at NTT DATA as both a Project Manager and Data Engineer from April 2022 to May 2023, leading multidisciplinary teams in migrating local data to Cloud environments and designing and delivering architecture for cloud-based data treatment projects. David also worked as a Data Engineer at Sopra Steria from January 2019 to May 2022, collaborating with finance and functional teams to design software solutions and implementing and monitoring ETL processes and pipelines in the banking sector. Before their roles in the data field, David was a Professor of private lessons from 2010 to 2019, specializing in preparation for official English exams and Civil Servant examinations. David also held various positions at Checkback International, including Account Manager and Screening Team Lead, where they managed clients' portfolios, monitored project completion, and provided screening services. In 2008, they worked as a Field Reporter at Match Golf Consulting, collecting and analyzing real-time data for television crews at professional golf tournaments.

David Cahill Marrón has a diverse education history that spans several institutions and fields of study. Starting in 2010, they pursued a Bachelor's degree in Telecommunications Engineering with a mention in Telematics at the University of Cantabria, which they obtained in 2016. As part of the UNICAN-VUT Erasmus Program, they also attended Brno University of Technology during the 2014-2015 academic year.

Following their undergraduate studies, David Marrón enrolled in the Executive Program in Big Data & Business Analytics at Escuela de Organización Industrial from 2018 to 2019, focusing on Big Data. David then pursued a Master's degree in Data Science at the Universidad de Cantabria from 2020 to 2021 to further develop their expertise in this field.

David Marrón also obtained various certifications to enhance their skills. In 2018, they completed courses in Intro to Python for Data Science, Intro to SQL for Data Science, and Intermediate Python for Data Science from DataCamp. In 2019, they received the Introduction to R certification from DataCamp. In 2020, they obtained the IBM Data Science Professional Certificate from IBM. Continuing their professional development, David Marrón acquired the Cloud Digital Leader certification from Google Cloud Education in 2023.

Moreover, David Marrón has obtained certifications in complementary areas. In 2017, they completed the Human Resources course from Open2Study, and in 2018, they obtained certificates in Online Marketing Fundamentals from Google and Digital Marketing from Google Actívate.

Overall, David Cahill Marrón's education history reflects their commitment to expanding their knowledge and skills in various fields, including Telecommunications Engineering, Big Data, Data Science, and complementary areas such as marketing and human resources.