Christina Efth
Mathematician-Data Analyst
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Σχετικά
With a strong passion for data analysis and mathematics, along with practical experience in implementing methods and teaching, I am actively searching for a role that allows me to further develop and utilize these skills.
Εμπειρία
Strategy Analyst-Sales Coordinator Nov 2017 – July 2024
Diakladoti Agogi S.A. Organized and provided information to external sales representatives for planning their visits.
Performed evaluation of the effectiveness of sales visits and provided feedback for improvement. Database Administrator.
Collaborated with the accounting department to integrate analyses into the company’s strategy.
Tele sales Jun 2017 - Nov 2017
Diakladoti Agogi S.A.
Telesales representative. Developed initial contact with customers and guided the first impression of the company.
Database Administrator Jun 2016 - Aug 2016
Crystal Cut S.A.
Troubleshot and improved database performance, ensuring efficient operation.
Coordinated database upgrades and migrations to keep systems updated.
Collaborated with developers to enhance applications and establish best practices for database interactions.
Cashier Apr 2013 - Nov 2014
F F G ROUP , Duty-Free
Managed financial transactions of different currencies at the point of sale in the extra
Schengen area of Eleftherios Venizelos Airport. Ensured accurate handling of payments and change.
Provided efficient and friendly customer service.
Collaborated with the team to maintain a smooth checkout process. Managed inventory, ensuring product availability and stock accuracy.
Mathematics Tutor Sep 2012 - Present
Developed personalized tutoring strategies, enhancing students’ problem‑solving abilities and data interpretation skills. Leveraged analytical skills to simplify complex mathematical concepts for students with diverse learning needs. Utilized statistical methods to track students’ progress, adapting teaching methods to optimize learning outcomes
Εκπαίδευση
- Master’s in Data Science and
Machine Learning, Hellenic Open
University, in progress. I successfully completed the first year and am continuing in the second. (English Taght)
- Certification: Data Analyst,
National and Kapodistrian
University of Athens E-Learning
- Bachelor’s in Mathematics,
National and Kapodistrian
University of Athens
