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Madivoli Gerishom

Madivoli Gerishom

Certified

Data Analyst

Madivoli Analytics, Perinii Pizza and Zahara Motors | Nairobi, Kenya

Technologies

My Portfolio Highlights

My New Workbook

Project: Analyzing Motorcycle Part Sales

My New Project

Analyzing Students' Mental Health

My New Workbook

Project: Analysing Pet Supplies

My New Workbook

Project: Analyzing Motorcycle Part Sales

Data guardian, protecting the integrity and privacy of valuable information.

My Work

Take a look at my latest work.

DataLab

Project: Analyzing Motorcycle Part Sales

DataLab

Project: Analysing Pet Supplies

DataLab

Project: Analyzing Students' Mental Health

DataLab

Project: Data Cleaning and EDA, SQL

DataLab

Project: Analyzing Motorcycle Part Sales

My Certifications

These are the industry credentials that I’ve earned.

Data Analyst Associate

Data Analyst Associate

Data Literacy

Data Literacy

Other Certificates

DataCamp Data Literacy Professional

Alison Data Entry Tools and Techniques

Alison Accounts Payable Management

DataCamp Associate Data Analyst in SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Artificial Intelligence
Introduction to Power BI

My Work Experience

Where I've interned and worked during my career.

Victoria Solutions | Aug 2025 - Sep 2025

Data Analyst Associate Intern

• Cleaned and transformed 10+ datasets monthly to guarantee data quality and accuracy for financial and operational reporting, enabling leadership to reduce reporting turnaround by 20%. • Designed and developed ad-hoc reports and interactive dashboards using Business Intelligence tools (Tableau) and Excel to support managerial decision-making. • Collaborated with cross-functional teams to gather data requirements and present finalized statistical reports and findings to key stakeholders.
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Perini Grills & Steakhouse and Perini Pizza | Jul 2020 - Present

Owner-manager

• Managed daily operations, reducing supply costs by 15% through vendor negotiation. • Implemented ZohoBooks for AP/AR, cutting invoice processing and payment time by 40% (from 15 days to 8 days). • Trained 20+ staff on inventory systems, reducing waste by 25%.

Zahara Motors | Jan 2018 - Present

Co-Founder and Manager

• Managed vehicle retail sales and generated potential customer leads. • Oversaw end-to-end car importation processes, including international sourcing, pro-forma invoicing, customs clearance, and tax payments. • Automated import logistics using Excel, reducing customs clearance time by 30%. • Negotiated prices and managed sales/purchasing contracts, invoicing, and payment processing.

Jomo Kenyatta University of Agriculture & Technology | Nairobi | 2016 – 2020 | Aug 2010 - Jul 2020

Senior Caterer

• Managed large-scale catering operations, including requisitions, staff allocation, and maintaining high hygiene standards. • Led procurement for KES 1,000,000+ annual inventory, optimizing stock turnover. • Streamlined sales reporting using Excel, enabling real-time cost analysis. • Contributed to strategic planning and inspection committees, ensuring operational efficiency and compliance. • Supported kitchen management, oversaw shift operations, and conducted daily food costing and sales analysis, contributing to financial oversight.

My Education

Take a look at my formal education

Master’s of Business Administration (MBA) in Strategic ManagementJomo Kenyatta University of Agriculture & Technology | 2012

About Me

Madivoli Gerishom

Highly analytical and results-driven professional with 10+ years of experience in business operations, data analysis, and academic and business research. Skills in SQL, Tableau, Excel (Power Query/Pivot), and cloud accounting (QuickBooks/ZohoBooks

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