Charles Dey

Available to hire

Hi, I’m Charles Dey—a Senior Data Analyst with 13+ years of experience turning complex data into decision-ready insights. I own business-critical metrics, dashboards, and reporting in data-rich environments.

About

Hi, I’m Charles Dey—a Senior Data Analyst with 13+ years of experience turning complex data into decision-ready insights. I own business-critical metrics, dashboards, and reporting in data-rich environments. I deliver clear recommendations that drive revenue, efficiency, and improved customer outcomes.

I excel in SQL-driven analysis, KPI definition, data validation, and turning ambiguous business questions into actionable recommendations. I partner with executives to boost revenue, reduce churn, and improve operational performance. I’m comfortable leveraging AI-assisted approaches to accelerate insight generation while maintaining accuracy and trust in the data.

  • 12 years' experience
  • Joined January 2026

Industry experience

  • Telecommunications
  • Software & Internet
  • Professional Services
  • Financial Services
  • Media & Entertainment

Work experience· 7 roles

Management Information Systems (MIS) Specialist · Digicel PNG LimitedSep 2022 – Oct 2025 · 3 yrs 2 mos

Owned and maintained core business metrics and KPIs, ensuring a single source of truth and consistent definitions across the organisation. Developed and delivered executive and operational dashboards in Power BI, supporting revenue, customer behaviour, and operational performance analysis. Conducted deep-dive SQL analysis to identify trends, risks, and opportunities, providing actionable insights to senior leadership. Validated data across multiple source systems, improving accuracy and trust in reporting outputs. Translated ambiguous business questions into decision-ready analyses for executives and commercial teams. Applied AI tools to validate logic, explore insights, and accelerate data interrogation while maintaining accuracy. Led analytics process improvements, reducing manual reporting effort by 60% and enabling near real-time visibility into business performance.

Head, Business Control · Airtel Ghana Limited (AGL)Jul 2020 – Aug 2022 · 2 yrs 2 mos

Delivered analytical reporting and insights supporting financial performance, cost control, and operational risk management. Defined and monitored performance metrics used by executives to assess control effectiveness and regulatory compliance. Analyzed trends in operational data to identify improvement opportunities and prioritise corrective actions. Supported senior leadership with clear, data-backed reporting for Audit and Risk Committee decision-making. Partnered with cross-functional teams to improve the accuracy and usability of management reporting.

Risk and AML Manager · Airtel Ghana Limited, AccraFeb 2018 – Jun 2020 · 2 yrs 5 mos

Analyzed transaction, customer, and operational data to identify risk patterns, inefficiencies, and cost drivers. Developed and maintained performance dashboards used to monitor compliance, control maturity, and operational throughput. Partnered with business and technical teams to translate regulatory and operational requirements into measurable metrics. Led data-driven initiatives that improved compliance maturity and reduced operational exposure.

Senior Business Intelligence Analyst · Millicom Ghana Limited, AccraJan 2016 – Jan 2018 · 2 yrs 1 mo
Peer Auditor (Part-time) · Millicom Ghana Limited, AccraMar 2015 – Jul 2017 · 2 yrs 5 mos
Business Intelligence Analyst · Millicom Ghana Limited, AccraOct 2013 – Dec 2015 · 2 yrs 3 mos
Systems Engineer · Millicom Ghana Limited, AccraSep 2012 – Aug 2013 · 1 yr

Education

Master's Degree, Business Consulting and Enterprise Risk Management · Kwame Nkrumah University of Science and Technology, Kumasi, Ghana2015 – 2018
Bachelor's Degree, Computer Science · Kwame Nkrumah University of Science and Technology, Kumasi, Ghana2008 – 2012

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