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Mark Ronald M.
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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.

🇵🇭Tupi, Philippines$18/hr100% JSS5.00 (8)Since Nov 2020

Earnings and projects

MRR
$3.4k

Last 6 months ÷ 6

World#10,719 / 412k
🇵🇭Country#617 / 56.3k
Revenue, last 30 days
$4.5k

Last 6 months: $20k

World#6,619 / 412k
🇵🇭Country#246 / 56.3k
Total earnings
$86k

Billed in all: $90k

World#46,197 / 412k
🇵🇭Country#6,386 / 56.3k
Per project
$6.1k

$6.7k in the last 6 months

World#28,154 / 412k
🇵🇭Country#6,734 / 56.3k
Projects, last 6 months
3
0% fixed100% hourly
World#66,479 / 412k
🇵🇭Country#5,298 / 56.3k
Projects in all
14

Across 16 contracts

31% fixed69% hourly
World#168,283 / 412k
🇵🇭Country#13,664 / 56.3k

Earnings, last 30 days

$90.1k+$4.5k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$85.0k$87.5k$90.0k$92.5kOct 8Oct 23Nov 7

Skill rankings: Top 2% in Google Sheets

Ranked by MRR among everyone on Upwork with the skill.

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  3. #30Statistical Analysis987 freelancers · 🇵🇭 #1Top 3%
  4. #33Statistics1,254 freelancers · 🇵🇭 #1Top 3%
  5. #34Amazon Webstore1,020 freelancers · 🇵🇭 #4Top 3%
  6. #34Big Data559 freelancers · 🇵🇭 #1Top 6%
  7. #50Microsoft Power BI Data Visualization1,248 freelancers · 🇵🇭 #2Top 4%
  8. #104Amazon FBA3,904 freelancers · 🇵🇭 #8Top 3%