Cosmas B. Ashibeshi

Data Analyst
ashibcosmas@gmail.com, Asaba, NG.

About

Highly analytical Data Analyst with hands-on expertise in Excel, SQL, and Power BI, skilled at transforming complex datasets into actionable business intelligence. Proven ability to design and deploy interactive dashboards and reports that drive informed decision-making and optimize operational efficiency. Eager to leverage a strong analytical mindset and technical proficiency to deliver measurable value and contribute to data-driven growth in a dynamic organization.

Education

Vephla University

Diploma & Nano Degree

Data Analytics

Courses

Excel

Power BI

Tableau

SQL-Postgre

Python

Cross River University of Technology

Bachelor of Science

Computer Science

Federal Science College

Senior Secondary Certificate Examination

Science

Work

Delta State Contributory Health Scheme
|

Junior Data Analyst

Summary

Experienced Data Analyst specializing in healthcare analytics with expertise in data validation, statistical analysis, and dashboard development using Excel and Power BI. Proven track record of reducing claim processing times, detecting fraudulent activities, and delivering actionable insights that drive strategic decision-making and operational efficiency.

Highlights

Spearheaded data accuracy initiatives by collecting and validating critical data from diverse sources (claims, member demographics, healthcare providers), significantly reducing reporting errors and ensuring data consistency across internal systems and regulatory submissions.

Led an Excel-based data analysis project to identify key trends and patterns within large datasets, leveraging statistical techniques and data mining to extract actionable insights that inform strategic decision-making and optimize hospital admission rates.

Developed and deployed interactive dashboards using Excel and Power BI, providing critical visualizations of enrollment trends, treatment types, and provider performance, which significantly enhanced data-driven decision-making for executive and operational teams.

Conducted in-depth analysis of claim rejections, approval delays, and processing inefficiencies, leading to targeted recommendations that reduced average claim turnaround time by 25% through process optimization.

Identified and reported anomalies and patterns indicative of potential fraudulent activities, including billing fraud, identity theft, and inappropriate healthcare utilization, safeguarding organizational assets.

Delta State Contributory Health Scheme
|

Data Processing Officer

Summary

Healthcare Data Processing Officer with expertise in data validation, claims processing, and analytics using Excel. Proven track record of reducing processing times, ensuring regulatory compliance (NHIA, GDPR, NDPA), and delivering actionable insights through comprehensive reporting and fraud detection to drive operational efficiency.

Highlights

Systematically collected and consolidated healthcare data from diverse sources, including claims databases, Electronic Health Records (EHRs), and external providers, ensuring data integrity for downstream analysis.

Managed the accurate entry and tracking of healthcare claims from hospitals and enrollees, ensuring precise coding and documentation to facilitate efficient processing and timely payments.

Maintained strict compliance with data protection regulations (e.g., NHIA, GDPR, NDPA) for all confidential health and personal data, mitigating compliance risks.

Provided essential operational support by generating daily, weekly, and monthly reports on key metrics such as enrollment trends, claims processing status, pending investigations, and approvals, enabling informed operational adjustments.

Collaborated cross-functionally with IT, claims assessors, and customer service teams to effectively troubleshoot and resolve complex data-related issues and discrepancies.

Languages

English

Fluent

Certificates

Diploma & Nano Degree in Data Analytics

Issued By

Vephla University

Data Visualization with Power BI

Issued By

Foresight BI

Introduction to Responsible Data Management

Issued By

Data.org (NDPC)

Soft Skills Training

Issued By

Jobberman

Projects

Analysis of Houston City's Payroll

Personal

Summary

Analysis focused on visualizing and analyzing Houston City's payroll data.

Analysis of US Mass Killings from 2006 to 2024

Summary

Personal project analyzing trends and factors related to mass killing incidents in the United States.

FAAC Revenue Allocation to State Governments Analysis

Personal

Summary

Analyzing the allocation of federal revenue to state governments in Nigeria.

Analysis on Why Startups Fail

Personal

Summary

Investigating the common reasons for startup failures and providing actionable insights.

Skills

Microsoft Power BI

Power Query, ETL, DAX, Data Modelling, Data Visualization.

Python

Pandas, NumPy.

Analytical Thinking
Attention to Detail
Communication
Problem Solving
Leadership
Willingness to Learn
Microsoft Excel

Data Cleaning, Pivot Tables, Pivot Charts, Data Visualization, Functions.

Team Work