EFASA OKEH
Data Analyst & Power BI Developer keen on optimizing business decisions
📋 Biography
I began my full transition into data analysis in 2021, building on a background in Pharmacy and Business Development. As a Microsoft MVP in Data Platform (Power BI), I lead the Power BI Project Review Hub a community of 1,390+ data professionals and run the Zefas BI & Analytics YouTube channel (4,100+ subscribers), publishing free Power BI tutorials that reach analysts globally. My preferred tools are Power BI, DAX, Power Query, SQL, and Microsoft Fabric. I hold certifications as a Microsoft Certified Power BI Data Analyst Associate and Fabric Analytics Engineer Associate. I am passionate about democratizing data skills through community workshops, challenge competitions, and hands-on content creation helping professionals at every level unlock the power of business intelligence.
✨ High-Impact Contributions 3
Served as a speaker at the Power BI Project Club X Space session on March 29, 2026, hosted by Tina Okonkwo (Technical Community Manager, JADA Squad). The session, titled "More Than Just Practice: How Dashboard Monthly Challenges Open Doors to Jobs and Opportunities," explored how consistent participation in Power BI data challenges translates into career opportunities. As a Microsoft MVP and Power BI Developer, I shared practical insights on building a visible portfolio through monthly challenges, helping aspiring data professionals understand how showcasing real work attracts recruiters and opens professional doors. The live session reached a global audience via X Spaces.
Video tutorial demonstrating how to build a Real Estate Intelligence Dashboard in Power BI using custom HTML visuals generated with Claude AI and DAX. Covers a 3-page interactive dashboard for a 5,000-property European portfolio across 10 markets. Techniques include DAX-driven HTML Content visuals, SVG calculated columns for conditional badges, field parameters for dynamic measure switching, and Power Query transformations. Impact: 4,700+ views, 97+ watch hours, viewers from 50+ countries, 400+ new subscribers. Teaches advanced visualization techniques not found in standard documentation. Demonstrates practical integration of AI tools into the Power BI development workflow, helping the community create professional-grade dashboards faster.
Activity Description: A knowledge-sharing session focused on helping Power BI Developers and Fabric Engineers stay relevant in a rapidly evolving data ecosystem. The session covered emerging trends in Microsoft Fabric, end-to-end analytics architecture (Bronze–Silver–Gold), automation, governance, and the shift from report development to full data solution ownership. Impact: Participants gained clarity on the evolving expectations of modern data roles and actionable strategies to upskill in areas like data engineering, semantic modeling, performance optimization, and cloud integration. The session encouraged proactive career positioning, continuous learning, and alignment with enterprise data transformation initiatives.