Christina Efth

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.

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

• 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