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Work Background
ESL FACEIT Group [EFG]Data Scientist
Sep. 2022London, England, United Kingdom
Channel 4Mid-Level Data Scientist
Feb. 2021 - Aug. 2022London, England, United KingdomA member of the Data Science Team at Channel 4. Responsible for delivering work that will help the business to shape its digital future, by following the new strategy plan: Future 4.
Virgin MediaData Scientist
Feb. 2020 - Feb. 2021London, Greater London, United KingdomA member of a broader team of Data Scientists for both the consumer and the business part of Virgin Media. This role is focused on the consumer side of the company. It involves predictive modeling and analytics that help with the acquisition and the retention of the company's customers. Key projects - Acquisition Modeling: predictive modeling (supervised learning) that helps the business to target specific potential customers that are most likely to join its services. - Churn Modeling: proactive modeling (supervised learning) that helps the business to be proactive and improve retention of its current customers.
JustParkJunior Data Scientist
Sep. 2018 - Feb. 2020London, United KingdomA member of the Data Science team at JustPark Parking Ltd. This role is focused on the consumer side of the business. It involves projects that have to do with customer profiling, pricing optimisation, supply and demand analysis, and data reporting. Key projects - Customer Segmentation (key role): Unsupervised learning analysis (clustering) in order to segment the customers of the company into groups with common behavior, product usage, and demographic features. - Price Optimisation (secondary role): Optimisation of the product's price, based on the demand, and other exogenous factors (supervised learning analysis). - Demand/Supply Analysis (secondary role): Analysis of the demand and the supply of the product, in order to identify potential geographical areas within the UK, where the company could ideally expand its business (supervised learning) in order to maximise their profit. - Reporting Analysis (key role): Development of front-end dashboards (python) in order to let people from different departments of the company to get insights from data analysis that will help them in decision making. - Data Analysis (key role); Data analytics and production of reports (python) that are shared with business potential partners or current customers. They present the viability and profitability of a potential partnership, or they communicate results of current partnerships and customers in order to provide and secure a smooth and pleasant cooperation with them.
JustParkData Scientist Assistant
Jun. 2018 - Aug. 2018London, United KingdomThis role is a part of the dissertation project for the MSc degree of Big Data Science and Technology at the University of Bradford. This internship is a twelve-weeks fixed term contract. The project was about the segmentation of the customers of JustPark according to the usage of its services, in order to be able to predict/estimate their Customer Lifetime Value (CLV) of newly acquired users. The main target is to help the Marketing Team of the company, to understand our clients and perform a more focused and efficient marketing strategy to specific potential customers (acquisition) or retain the valuable ones (retention). Key projects - Customer Segmentation (key role): Unsupervised learning analysis (clustering) in order to segment the customers of the company into groups with common behavior, product usage, and demographic features. The results of this analysis were passed on a supervised learning model (classification) in order to be able and predict the segment that newly acquired customers will conclude in the future, based on their demographic data and their first activities within the company.
Network Operations Center, University of ThessalyDatabase Administrator
Jul. 2014 - Oct. 2014Volos, Thessaly, GreeceThis role was a part of the Undergraduate degree in Computer and Communications Engineering. This program has an obligatory three months paid internship. A member of a team, that its job was to manage the LDAP database of the University of Thessaly, through specific tools and programs and to implement new software that will help the University's staff to interact with this structure. The new software needs to be a user-friendly tool that will provide accessibility to less technical people. Steps to successfully complete this internship: - Manage the LDAP Structure of the University of Thessaly.
- Choose a tool for management.
- Present its abilities and attributes to supervisors and Senior Staff of the University of Thessaly.
- Connect it to the LDAP Structure.
- Present its functionality and usage to our supervisors and Senior Staff of the University of Thessaly.
- Maintain the tool and teach the staff how to do so.
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