Stella Tegbo

Results-driven Data Analyst and MS Excel Expert with over two years of cross-sector experience spanning healthcare and finance. Adept at transforming complex, raw datasets into actionable business intelligence through advanced Excel modelling, interactive dashboards, and automated reporting solutions. Certified in Data Analytics and recognised for delivering measurable improvements in operational efficiency, financial accuracy, and data-driven decision-making.

Passionate about leveraging technology to solve real-world problems.

MS Excel Expert & Healthcare Data Analyst - Healthcare Sector Organisation - Port Harcourt, Nigeria

(2025-01)

• Design and maintain advanced Excel workbooks incorporating Power Query, Pivot Tables, and dynamic dashboards to support clinical and administrative reporting.
• Automate routine data processing tasks using VBA macros, reducing manual reporting time by an estimated 40%.
• Collaborate with medical and administrative teams to analyse patient data, track key performance indicators, and support evidence-based clinical decision-making.
• Develop statistical models and trend forecasts to assist management in resource planning and budget allocation.
• Ensure data integrity through robust cleaning, validation, and transformation protocols on large healthcare datasets.

Excel Specialist & Financial Data Analyst - Finance Sector Organisation - Port Harcourt, Nigeria

(2024-01 - 2025-01)

• Delivered advanced Excel-based financial models to support budgeting, variance analysis, payroll processing, and bank reconciliation workflows.
• Built interactive management dashboards with drill-down capabilities, enabling real-time visibility into departmental performance metrics.
• Applied complex formulas (INDEX/MATCH, XLOOKUP, array functions, nested IFs) to automate financial calculations and reduce formula errors.
• Produced monthly and quarterly financial reports for senior stakeholders, translating data insights into clear, board-ready presentations.
• Conducted data audits to identify discrepancies, improving data accuracy across financial records.

Excel Data Analyst Intern - Career Crafters Academy - Port Harcourt, Nigeria

(2024-01 - 2024-12)

• Gained hands-on experience in data analysis workflows, including data collection, cleaning, transformation, and visualisation using MS Excel.
• Completed structured training in Power Query, Pivot Tables, and introductory VBA/Macros under professional mentorship.
• Contributed to real-world data projects, developing analytical skills and an understanding of industry best practices.

Certificate - Data Analytics - National Institute of Information and Technology (NIIT) (2024-01 - 2025-01)

Ordinary National Diploma (OND) - Rivers State College of Health Science & Management Technology (2017-01 - 2020-01)

West African Senior School Certificate (WASSCE) - Lion Comprehensive High School, Ogale, Eleme (2012-01 - 2016-01)