Chisom Aloysius Okereke

Designed and implemented Power BI dashboards to track individual student's grades and improve reporting efficiency. Built ETL pipelines using Azure Data Factory and Power Query to automate data consolidation from student information systems and financial sources. Collaborated with cross-functional teams to assess reporting needs and deliver analytics solutions for finance, HR, and academic planning. Conducted data validation and quality control, reducing reporting errors by over 30%.

Analyzed asset datasets to identify maintenance trends and cost-saving opportunities. Automated weekly reporting with Python and Excel macros; Developed Power BI visualizations for internal stakeholders, resulting in faster decision-making and improved procurement planning. Improved data accuracy by 30% through rigorous data collection, cleaning, and management using ArcGIS Desktop. Mapped over 95% of infrastructure assets during field visits, significantly enhancing asset tracking and reporting capabilities. Created over 20 maps to support planning, environmental, and infrastructure projects, accelerating decision-making timelines by 20%. Enabled project teams to extract deeper insights via spatial analysis, contributing to a 40% improvement in data-driven recommendations. Increased GIS data integrity by 35% through systematic error detection and resolution. Resolved 90% of user-reported GIS issues within 24 hours. Comprehensively documented processes to shorten onboarding for new GIS

Coordinated mobilization and demobilization of rig equipment with zero incidents, achieving 100% safety compliance. Supervised 15+ crew, ensuring on-time delivery of work programs and 98% adherence to client schedules. Improved crew performance by 20% and trained local staff to operate within international HSE standards. Produced and submitted over 50 reports including workover logs and JSAs, enhancing transparency and stakeholder decision-making. Directed rig maintenance and rig-up/rig-down activities, reducing downtime by 30%. Developed feasibility reports that supported cost-saving recommendations, lowering non-productive time by 15%. Collaborated with drilling supervisors and engineers to ensure alignment with schedules, optimizing productivity by 25%. Managed field budgets and logistics, achieving 10–15% savings and 100% on-time shipments.