Joel Charles

Detail oriented Data Analyst with strong expertise in Python, SQL, Power BI, and DAX, experienced in transforming raw datasets into actionable insights that drive business decisions. Proven success in dashboard development, KPI monitoring, and ad hoc analysis across customer behavior, sales performance, and market trends. Passionate about using data storytelling and analytics to improve strategy, operations, and user experience.

Data Analyst Virtual Intern at PwC Switzerland

• Developed comprehensive data visualizations to analyze consumer and agent behavior, enabling actionable insights for strategic decision making.
• Designed and implemented a customer retention dashboard by defining key performance indicators (KPIs) to monitor engagement and loyalty.
• Established and visualized relevant KPIs related to hiring, promotions, performance, and turnover, providing insights into gender balance in executive leadership.

Freelance Data Analyst at Upwork

• Scraped data on AI tools from two websites using Python, BeautifulSoup, and Selenium, collecting details like names, tags, descriptions, images, and links.
• Performed data cleaning, preprocessing, and structuring.
• Exported the processed data into a CSV file as per client specifications.

Bachelor of Science in Computer Science – Landmark University, Omu Aran (2022 – 2026)