Mbali Mazibuko Email and Phone Number

- Conducted 10+ drive tests and site surveys, leading to a 15% improvement in overall network performance.- Analyzed customer feedback and performance data, implementing solutions that increased customer satisfaction by 20%.- Resolved over 90% of customer complaints related to 3G/4G/5G performance by optimizing network coverage, quality, and traffic management.- Processed over 10,000 performance counters and 100+ drive test logs, translating them into actionable insights that improved network reliability by 12%.- Optimized network and analyzed KPIs, verifying a 10% performance improvement through continuous monitoring and reporting.- Conducted root cause analysis for site performance, implementing solutions that improved site performance by 18%.- Trained and mentored junior team members, increasing team productivity by 50% and knowledge sharing by 40%.

- Created over 10 data visualizations using Power BI, enhancing stakeholder decision-making and increasing campaign effectiveness by 15%.- Developed custom dashboards in Power BI and Excel, leading to a 30% reduction in reporting time.- Trained team members on data visualization best practices, improving overall data literacy within the department by 35%.