I'm an analytical and detail-oriented Data Analyst with hands-on experience in SQL, Power BI and Excel. I build automated dashboards, improve forecast accuracy, and deliver insights that support operational and commercial decision-making. I'm a strong cross-functional collaborator with experience in international work environments, and I enjoy translating business questions into actionable analytics and presenting clear, client-ready insights. I'm passionate about turning data into meaningful stories for stakeholders and colleagues across engineering, sales, and operations.

Vivian Isaiah

I'm an analytical and detail-oriented Data Analyst with hands-on experience in SQL, Power BI and Excel. I build automated dashboards, improve forecast accuracy, and deliver insights that support operational and commercial decision-making. I'm a strong cross-functional collaborator with experience in international work environments, and I enjoy translating business questions into actionable analytics and presenting clear, client-ready insights. I'm passionate about turning data into meaningful stories for stakeholders and colleagues across engineering, sales, and operations.

Available to hire

I’m an analytical and detail-oriented Data Analyst with hands-on experience in SQL, Power BI and Excel. I build automated dashboards, improve forecast accuracy, and deliver insights that support operational and commercial decision-making. I’m a strong cross-functional collaborator with experience in international work environments, and I enjoy translating business questions into actionable analytics and presenting clear, client-ready insights.

I’m passionate about turning data into meaningful stories for stakeholders and colleagues across engineering, sales, and operations.

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Language

English
Fluent

Work Experience

Data Analyst at GM Facility Services GmbH
October 1, 2025 - October 1, 2025
Developed and automated comprehensive dashboards and reports, significantly reducing reporting time by 40% and enhancing operational visibility. Provided actionable insights through advanced data visualization, leading to a 15% improvement in data-driven decision-making efficiency.
Sales Data Analyst at Hoplink Global Services Limited
July 1, 2024 - July 1, 2024
Partnered effectively with marketing and customer service teams to analyze customer behavior and improve customer retention strategies. Analyzed historical sales data and market trends, achieving a 20% improvement in sales forecast accuracy through predictive modeling.
Geologist Operations at Elsasovec Nigeria Limited
February 1, 2022 - February 1, 2022
Monitored real-time drilling parameters and operational data, optimizing field operations and reducing downtime by 15%. Analyzed and interpreted complex geological data, identifying potential hydrocarbon zones with 90% accuracy.
Data Analyst at GM Facility Services GmbH
October 1, 2024 - October 1, 2025
Reduced reporting time by 40% by building and automating operational dashboards, enabling faster insights for stakeholders and improving overall workflow efficiency. Supported process optimization initiatives across teams, contributing to smoother operations and improved service delivery. Enhanced decision-making efficiency by 15% through the development of advanced, user-focused data visualizations that made complex information easy to interpret. Maintained 98% data accuracy by implementing rigorous data audits, validation checks, and quality-control processes aligned with company standards and regulatory requirements.
Sales Data Analyst at Hoplink Global Services Limited
March 1, 2022 - July 1, 2024
Partnered with Marketing and Customer Service teams to enhance customer retention strategies, contributing to improved engagement and reduced churn. Improved sales forecast accuracy by 20% through the development and deployment of predictive analytics models. Automated key data pipelines, reducing manual processing time by 20% and increasing operational efficiency. Identified high-performing products using data insights, directly supporting strategic decisions and revenue growth.
Geologist Operations at Elsasovec Nigeria Limited
January 1, 2018 - February 1, 2022
Reduced drilling downtime by 15% through real-time data interpretation. Achieved 90% accuracy in identifying hydrocarbon zones. Delivered well progress reports supporting client decisions. Implemented safety practices ensuring zero incidents.

Education

Bachelor of Science at Nnamdi Azikiwe University
January 1, 2001 - December 31, 2004
B.Sc. Geological Science at Nnamdi Azikiwe University
January 11, 2030 - December 26, 2025
B.Sc. Geological Science at Nnamdi Azikiwe University
January 11, 2030 - December 31, 2025

Qualifications

Data Analytics using SQL
January 1, 2022 - November 5, 2025
Analyzing and Visualizing Data in Looker
January 1, 2022 - November 5, 2025
Google Analytics
January 1, 2022 - November 5, 2025
Developing Data Model with LookerML
January 1, 2022 - November 5, 2025
Power BI
January 1, 2022 - November 5, 2025

Industry Experience

Professional Services, Agriculture & Mining, Manufacturing, Energy & Utilities, Software & Internet, Other