Jankeh Kah

Data Analyst with over six years of experience delivering commercial and operational insight through SQL, Power BI, and advanced analytics. Experienced in transforming complex datasets into actionable business recommendations across customer, revenue, churn, KPI, and financial reporting. Strong background partnering with stakeholders across finance and operations to improve reporting accuracy, automate processes, and support data-driven decision-making.

Skilled in dashboard development, data modelling, reporting transformation, and communicating insights clearly to technical and non-technical audiences.

Data Analyst - Exclaimer

(2020-01 - 2026-03)

• Developed Power BI dashboards and reporting solutions supporting operational and financial decision-making across the business.
• Delivered analysis and reporting for FP&A stakeholders, including churn tracking, customer reporting, reconciliation analysis, and KPI monitoring.
• Used SQL to extract, clean, transform, and analyse large datasets from Salesforce and internal systems to improve reporting accuracy and business insight.
• Supported month-end reporting processes by validating datasets, investigating discrepancies, and improving reporting consistency across systems.
• Worked closely with stakeholders to understand reporting requirements and translate business needs into actionable analytics solutions.
• Improved visibility of customer and operational performance through structured dashboard reporting and trend analysis.
• Performed data validation and reconciliation checks to strengthen confidence in reporting outputs and reduce inconsistencies.
• Presented analytical findings and business insights clearly to both technical and non-technical stakeholders.
• Supported process improvement initiatives through automation and optimisation of recurring reporting activities.

Central Membership Administrator - Places for People Leisure Management Ltd

(2019-05 - 2019-12)

• Managed customer and payment datasets supporting operational reporting and business performance analysis.
• Improved reporting accuracy and operational efficiency through structured validation and reconciliation processes.
• Supported reporting and customer analysis activities using Excel-based reporting solutions.

Project Administrator - CarillionAmey

(2016-05 - 2019-04)

• Supported operational reporting, stakeholder communication, and structured data management across project teams.
• Assisted with reporting governance, issue tracking, and process documentation.
• Maintained reporting accuracy and supported operational analysis activities.

Systems & Database Administrator - National Water & Electricity Company (NAWEC)

(2009-07 - 2013-12)

• Managed database systems, reporting infrastructure, and operational data environments.
• Monitored system performance and maintained backup and data integrity procedures.
• Supported governance standards, user access management, and reporting consistency across systems.

Advanced Data Analysis Bootcamp - Avado (2022)

Postgraduate Diploma - Computer Engineering - Southampton Solent University

BSc - Computing - University of Greenwich