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Cristina R. has work experience in various roles and companies. From 2023 to the present, they have worked as a Financial Accountant at CYTENA and prior to that, they were a Financial Assistant at the same company from 2021 to 2023. In 2023, they also worked as an Aushilfe Buchhaltung at DISPENDIX.

In 2020, Cristina worked at Sopexa as an Accountant & Admin Assistant from December 2020 to October 2021. In 2018, they worked as a Sales Promoter at El Corte Inglés for a brief period in July. Cristina also worked as a Stewardess at NSH Azafatas from January to June 2018.

In 2017, Cristina worked as an Actress at Paranormal Adventures, Gamificación y Teambuilding from October 2017 to June 2018.

Before that, they worked as an Administrative Accountant at OK Student from January to April 2018. In 2016, they worked as a Content Writer at Recap Blog from February to August, and as a Food Runner at Take Eat Easy (TEE) from January to July.

Cristina R. completed their education at various institutions. Cristina obtained a Master of Science (MS) degree in Accounting and Finance from Beihang University from 2018 to 2021. Prior to that, they completed a double Bachelor's degree in Economics and Journalism from Universidad Rey Juan Carlos, spanning from 2013 to 2018. Cristina also pursued a Bachelor of Applied Science (BASc) degree in Economics from the University of Münster during the academic year 2016-2017.

In addition to their formal education, Cristina R. has also obtained several certifications. These certifications include HSK 4 from the Confucius Institute Headquarters, obtained in December 2020. Cristina has also completed various online courses and certifications, including "Financial Markets (with Honors)", "Green Business Strategy", "Introduction to Economic Theories", "Chinese for HSK 4", "Data Science Math Skills", "An Introduction to Coding and Design", "Behavioral Finance", "Introduction to Programming with MATLAB", "Learn Chinese: HSK Test Preparation Specialization", "Étudier en France: French Intermediate course B1-B2", "ARIMA Models in R", "Cloud Computing Basics", "Creating Digital Content", "Finance Basics with R", "Importing and Managing Financial Data in R", "Intermediate R for Finance", "Introduction to R for Finance", "Introduction to Sustainability", and "Manipulating Time Series Data with xts and zoo in R".