CV

Lead Data Scientist

Safaricom PLC · Nov 2022 – present

• Lead a team of 11 data scientists and engineers (CVM squad), delivering 8+ ML models annually — recommenders, churn predictors, inactivity predictors, cross-sell/upsell — cutting operational costs by 25%.
• Designed and deployed an AI-powered recommendation system that increased customer engagement by 15% and boosted revenue streams.
• Developed and optimised SQL-based data pipelines, sustaining 99% data accuracy across BI platforms.
• Built and shipped a predictive churn model, enabling targeted interventions that cut churn by 20%.
• Spearheaded data governance initiatives, improving data integrity and reducing errors by 30%.

Technical Project Manager

Telepin Software Systems Inc · May 2021 – Oct 2022

• Directed a team of 13 software engineers across 6 countries and time zones resolving production defects, cutting incident resolution time by 40%.
• Optimised Agile workflows via Jira configuration, improving sprint planning accuracy by 35% and cutting task turnaround by 20%.
• Led Salesforce CRM integration into project workflows, increasing lead tracking efficiency by 30%.
• Prevented unplanned downtime by 50% through proactive monitoring, saving an estimated $50K in revenue.
• Delivered project schedules and resource plans (MS Project) with 90%+ adherence to deadlines and budgets.

Technical Support Engineer

Safaricom PLC · Aug 2019 – Apr 2021

• Analysed call centre metrics to identify demand-reduction and automation opportunities.
• Built reporting systems and data models integrating multiple support data sources for customer support operations.
• Upgraded application health-check monitoring, sustaining over 99% system uptime.
• Automated routine tasks (reporting, health checks, disk clearance), improving team efficiency.
• Revamped call centre applications, improving user experience and subscriber satisfaction.

Application Support Engineer

Telkom Kenya Limited · Jan 2017 – Jul 2019

• Led roll-out and launch of T-Kash mobile financial service, creating a new multimillion revenue stream.
• Launched mobile money inter-operability service, managing cross-functional teams and partners.
• Directed User Acceptance Testing resulting in successful roll-out of the mobile money platform.
• Spearheaded data migration, consolidating databases and boosting reporting efficiency by 30%.
• Implemented an API gateway, cutting integrator onboarding time to 1 day.

Technical Support Engineer

Mahindra Comviva · May 2014 – Jan 2017

• Streamlined incident management processes, achieving 99.999% availability against SLA.
• Integrated Airtel Money with banks and merchants, creating new use cases and driving revenue growth.
• Scrutinised transaction data, resolving over KES 50M in revenue-assurance reconciliation inconsistencies.
• Automated routine tasks (reporting, health checks, disk clearance), lifting uptime to over 99%.
• Implemented revenue-assurance checks and compliance procedures, mitigating fraud.