Wiza Phiri

Data & Business Intelligence Professional

Johannesburg, City of Johannesburg Metropolitan MunicipalityMember since October 15, 2025

Data AnalyticsData Governance and Data ProtectionDigital TransformationSQLPythonPower BIOracleQlikBASHEXCELRevenue AssuranceFraud AnalyticsCustomer Segmentation

About

Data, Analytics and Digital Transformation professional with over 10 years of experience across Telecommunications, Health, Finance and ICT. Proven record of delivering enterprise data strategies, analytics, business intelligence and data governance initiatives that improve revenue, customer value, operational performance and executive decision-making. Experienced in leading cross-functional teams, building enterprise data platforms and translating complex data into measurable business outcomes.

Experience

Commercial Analytics Manager - Telekom Networks Malawi

(2026-03)

Lead commercial analytics supporting customer segmentation, profiling, revenue growth, campaign management, customer value management, churn prediction / reduction and business decision-making. Leverage on SQL, Python and Qlik.

Data and Business Intelligence Consultant - NICO Technologies

(2025-01 - 2026-12)

Lead enterprise BI, customer intelligence, segmentation, data governance and Data Protection initiatives across the NICO Group. Delivered Power BI dashboards, automated reporting and data workflows with SQL, Power BI and Python.

Data Analytics Manager - Elizabeth Glaser Pediatric AIDS Foundation

(2020-01 - 2025-12)

Led the development and implementation of the Central Data Repository and national health analytics platform supporting Malawi's HIV program. Consolidated electronic health data from 761 clinics across the country into a unified platform, creating a single source of truth for health-program monitoring, performance reporting and decision-making

Data Analyst (Revenue Assurance & Fraud) - Telekom Networks Malawi

(2014-01 - 2019-12)

Delivered revenue assurance, fraud analytics and predictive analytics solutions to detect, report and mitigate revenue leakages and fraud on the GSM network. SQL and Python.

Management Information Systems Officer - Airtel Malawi

(2011-01 - 2014-12)

Collected, transformed, and analyzed data from multiple sources to compute subscriber and revenue KPIs, produce statistical visualizations, and deliver accurate business intelligence reports supporting commercial performance monitoring. Leveraged SQL, BASH and EXCEL.