XAVIER B. HEMMINGS
PROFESSIONAL SUMMARY
Senior Business Intelligence Analyst with 10+ years of experience driving data-driven decision-making across telecommunications, BPO, and financial services. Expert in Power BI, Tableau, SQL, and DAX with proven ability to transform complex data into actionable insights that generate significant revenue impact. Specialized in customer value management, data visualization, and developing automated reporting solutions for C-suite executives and stakeholders.
CORE COMPETENCIES
- Power BI & Tableau Development
- Advanced SQL & DAX
- Data Visualization & Storytelling
- Power Query & ETL
- Customer Value Management
- KPI Development & Monitoring
- Oracle SQL & MySQL
- Data Modeling & Architecture
- Executive Reporting & Dashboards
- A/B Testing & Analytics
- Forecasting & Predictive Analytics
- Business Intelligence Strategy
PROFESSIONAL EXPERIENCE
Senior Business Intelligence Analyst
Digicel Jamaica | September 2018 - Present
- Engineered integrated BI workflows merging traditional analytics with customer value management and geographic data enrichment to optimize subscriber targeting across 1M+ customer base
- Architected and maintained complex data transformations in Oracle SQL, delivering executive dashboards in Power BI and Tableau that drive strategic decision-making
- Implemented customer value management frameworks to perform A/B testing, resulting in improved promotional campaign outcomes and ROI optimization
- Developed sophisticated targeting strategies to manage churn and prevent cannibalization during promotional campaigns, protecting revenue streams
- Created automated reporting solutions using Power BI Server and Oracle PL/SQL jobs, reducing manual reporting time by 70%
- Leveraged DAX and Power Query for advanced data modeling and transformation, enabling self-service analytics for business stakeholders
- Led data delivery for commercial projects across Sales, Marketing, Finance, and Network Planning departments
Head of Global Insights (Consultant)
Support Services Group | September 2021 - September 2024
- Architected enterprise-wide data infrastructure for global BPO operations spanning NA, CALA, EMEA, and APAC regions with 6,500+ agents across 125 lines of business
- Designed and implemented standardized data collection processes using Power Query and Power BI, creating single source of truth for executive decision-making
- Built comprehensive data warehouses and analytical frameworks supporting monthly reporting to Kingswood Capital investors
- Developed executive dashboards and visualizations using Power BI and DAX that enabled revenue optimization, P&L monitoring, and operational efficiency initiatives
- Established data governance protocols and workflows ensuring data quality and consistency across multi-region operations
- Created predictive models for capacity planning and resource allocation across 75 campaigns
Business Intelligence Analyst (Contractor)
VMBS (Victoria Mutual Building Society) | Various Projects
- Conducted comprehensive data quality audits against data dictionary specifications, identifying critical data integrity issues in legacy systems
- Discovered and corrected systematic data entry errors where binary flags were misconstrued, improving data accuracy across financial records
- Developed Power Automate workflows for automated reporting, creating self-generating Excel reports with scheduled email distribution
- Authored technical documentation for automation solutions, ensuring knowledge transfer and maintainability
- Collaborated with stakeholders to translate business requirements into data solutions and reporting frameworks
Workforce Management Supervisor
IBEX Global (Amazon/Audible Account) | November 2017 - September 2018
- Developed real-time reporting dashboards for operational metrics, enabling data-driven workforce optimization decisions
- Created forecasting models and capacity planning tools supporting scheduling for high-volume contact center operations
- Leveraged analytics to optimize agent allocation and improve service level adherence
TECHNICAL SKILLS
BI & Visualization: Power BI (Advanced), Tableau, Power BI Service, DAX, Power Query, M Language
Data & Databases: Oracle SQL, MySQL, SQLite, SQL Server, Data Modeling, ETL/ELT Processes
Analytics & Tools: Excel (Advanced), VBA, Python, R, Statistical Analysis, A/B Testing
Automation: Power Automate, Oracle PL/SQL Jobs, Scheduled Reporting, Data Pipeline Development
Methodologies: Agile Project Management, Customer Value Management, Data Storytelling, KPI Framework Development
EDUCATION & CERTIFICATIONS
BSc. Business Administration - University of the West Indies (In Progress)
Microsoft Certified Power BI Data Analyst Associate - April 2022
Professional Certificate in Data Science - Harvard University & MIT EdX, 2016
- Machine Learning, Statistical Analysis, Data Visualization, Query Optimization
SQL for Data Science - University of California, Davis, 2019
Data Storytelling Certification - BI Brainz, 2021
KEY ACHIEVEMENTS
- Recommended by C-suite decision makers as data manager on over 20 strategic projects
- Led data delivery for revenue-generating projects across 3 of Jamaica's top 10 organizations
- Championed data-driven insights that facilitated development of multiple in-house software solutions
- Consistently commended for extracting value from latent data stores and delivering high-quality analytical outputs