Reviewer · PhD, Industrial Engineering
Mohammad Majd ✓ Verified expert
Mohammad Majd, Ph.D., teaches statistics and data analytics as an adjunct professor at Grand Rapids Community College and works as a supply chain data analyst at Amway. His courses cover hypothesis testing, regression, Excel and Minitab, taught through real datasets. He earned his PhD in industrial engineering at Western Michigan University, where he was a research and teaching assistant.
0Written
2Reviewed
Sep 2026Joined
Experience
- Adjunct Professor, Statistics and Data AnalyticsGrand Rapids Community College2024 to present
- Data Analyst, Supply ChainAmway2023 to present
- Research and Teaching AssistantWestern Michigan University2018 to 2023
Education
- PhD, Industrial EngineeringWestern Michigan University2023
- Bachelor's degree, EngineeringKharazmi University, Tehran2017
How Mohammad works on our pages
Mohammad holds a PhD in industrial engineering and works with Excel and Minitab, so he tests formulas the way an analyst would.
As a writer
- Shows the spreadsheet formula next to the hand calculation.
- Explains which Excel function to use and where it can go wrong.
- Passes every draft to a second reviewer before it goes live.
As a reviewer
- Rebuilds each example in Excel to confirm the result.
- Tests calculators with blank cells, zeros and negative values.
- Checks that the formulas shown match what the text describes.
What happens before Mohammad signs off on a page
- Formula checkDefinitions and formulas are checked against standard statistics references.
- Number checkEvery worked example is recalculated by hand and in a spreadsheet.
- Edge casesCalculators are tested with blank rows, zeros, negative values and decimals.
- Sign-offMohammad's name and the review date are added to the page.
