Mark Ronald M.
Amazon Operations & Data Analytics Specialist
I bring a unique combination of Amazon marketplace expertise and advanced data analytics experience, helping businesses improve profitability, streamline operations, and make data-driven decisions. Over the past 5 years, I have managed multiple Amazon Seller Central accounts, handling end-to-end account operations including inventory management, listing optimization, shipment reconciliation, reimbursement recovery, catalog management, account health monitoring, and operational reporting. I am experienced in supporting Amazon brands through every stage of growth while maintaining operational excellence. My Amazon expertise includes: • Amazon Seller Central Management • Inventory Planning & Replenishment • FBA Shipment Reconciliation • Reimbursement & Lost Inventory Recovery • Account Health & Performance Monitoring • Listing Optimization & Catalog Management • Pricing Analysis/SKU Economics • Flat File Uploads and Analysis • Stranded Inventory Resolution • Case Log & Seller Support Management • Business Reports & Performance Analysis • Supply Chain & Import Order Coordination In addition to my Amazon experience, I have more than 9 years of professional experience in data analysis, statistical reporting, and process improvement. I previously served as a Production Research Lead and Assistant Data Science Manager, where I specialized in transforming complex data into actionable business insights. My analytical toolkit includes: • Google Sheets & Microsoft Excel • Power BI • Minitab • Statistical Analysis • Dashboard Development • KPI Reporting • Process Improvement & Root Cause Analysis • Six Sigma Green Belt Methodologies I am also proficient in industry-leading tools such as: • Amazon Seller Central • Sellerboard • Feedvisor • Helium 10 • ChatGPT • Claude • Gemini • Google Workspace • Minitab Statistical Software Whether you need an Amazon operations specialist, inventory analyst, reimbursement expert, reporting specialist, or business intelligence support, I bring a detail-oriented, results-driven approach focused on measurable outcomes and long-term growth. Let's work together to improve your operations, recover lost profits, and make smarter business decisions through data.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $20k
Billed in all: $90,141$90k
$6.7k in the last 6 months
Across 16 contracts
Earnings, last 30 days
Skill rankings: Top 2% in Google Sheets
Ranked by MRR among everyone on Upwork with the skill.
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