Thomas Tsopelas

Aspiring Business Intelligence Engineer passionate about collecting data, establishing facts and drawing valid conclusions. Skilled at leveraging data to develop actionable solutions and utilizing data mining and data visualization to create meaningful insights. Ability to handle multiple projects simultaneously with a high degree of accuracy. Military obligations fulfilled.

Senior Business Intelligence Engineer at Witside (2026-03 – Present)

• Led presales activities for new clients.

Business Intelligence Engineer (Mid Level) at Witside (2023-12 – 2026-02)

• Contributed to operations projects in the shipping industry.
• Created operational reports for the energy sector.
• Collaborated with cross-functional teams to understand business needs and deliver tailored Power BI reports that provided real-time insights (SQL based).
• Migrated legacy Power BI reports to Databricks, ensuring seamless data transition, optimizing report performance, and improving scalability for large datasets.
• Participated in the monthly release of Power BI reports for a Systemic Bank.
• Created detailed documentation to ensure proper delivery.

Business Intelligence Engineer at Cepal (2022-12 – 2023-12)

• Collect data from wide-ranging sources (Qualco banking, Thesis) via SQL queries and visualization with Power BI (DAX).
• Direct implementation of new business rules, selecting appropriate solutions and aiding in corresponding onboarding processes of new colleagues in the NPL industry.
• Assisting Reporting Department in Automation Project and documentation (BRD -SRD) for 35 reports.

Business Intelligence Engineer (Contract) at Optasia (2022-08 – 2022-12)

• Developed ad hoc commercial reports to support business monitoring and decision-making.

Business Intelligence Analyst at PQH (2020-11 – 2022-08)

• BI and Portfolio Strategy (business plan monitoring).
• Implementation of reports using SQL Server (OCW, Daily Recoveries, Gefyra I & II, Automation of Business plan).
• Automation of pricing procedures of external companies (Law firms).
• Assisting channel management department on legal and collection campaigns.
• Maintenance of existing Power BI dashboards and implementing change requests.
• Production and improvement of existing reports for regulatory purposes (Bank of Greece) and part of QA team during sale of Ariadne Portfolio.

Credit Officer at ALPHA BANK (2019-06 – 2020-10)

• Credit management at small-business loan collateral department, evaluation of financial transactions.
• Assistant at collateral management in development-bank portfolio.
• Also acted as Financial Assistant in regulatory compliance of non-performing mortgage loans.

Master of Science in Advanced Information Systems (full-time) – University of Piraeus (2020-10 – 2022-06)

Bachelor of Science in Financial And Banking Management – University of Piraeus (2013-09 – 2018-06)