Joylynn Mumbi Ngari

About

Operations data professional with 3+ years of experience collecting, validating, and reporting on logistics and supply chain data. Skilled in building dashboards, running quality checks, and supporting management decisions through accurate operational reporting.

Experience

• Senior Business Intelligence Analyst
  Phoenyx Logistics
  Feb 2025 – Present
• BI Analyst
  Siginon Logistics
  May 2024 – Aug 2024
• Data Analyst — Operations Assistant
  Mar 2023 – Aug 2023

Education

• Data Analysis Certificate
  ALX Africa
  Data Analysis · Oct 2025 – Feb 2026
• Diploma
  Kenya School of Revenue Administration
  Customs Administration · Sep 2019 – Nov 2022

Skills

• SQL <3 months
• Power BI <3 months
• Tableau <3 months
• Data entry <3 months
• Data Cleaning <3 months
• Power Query <3 months
• Data validation <3 months
• Microsoft Excel <3 months
• Database Management <3 months
• Data Governance <3 months
• Excel <3 months
• Data Reconciliation <3 months
• Data Quality Assurance <3 months
• Microsoft Power Automate <3 months
• Zapier <3 months
• Dashboard Design <3 months
• Ad Hoc Reporting <3 months
• Common Table Expressions (CTEs) <3 months
• joins <3 months

Courses & certifications

• Data Analysis Certificate · ALX Africa · 2026