Lean Six Sigma Green Belt vs Black Belt – Full Comparison
I screwed up when I started. 2020, Noida. I was two years into a QA job and kept hearing “black belt” in meetings. Sounded powerful. So, I paid for a Six Sigma Black Belt certification without completing the Green Belt. First day, the trainer said, “Pull your project data and run a two-sample t-test.” I didn’t even know what a t-test was. I quit by week three. Lost 40K. Six months later, I swallowed my pride and took a Lean Six Sigma Green Belt with ISEL Global . Fixed our refund process, cut it from 7 days to 2. That small win got me noticed. Then I did black belt. That time it made sense. If you’re stuck choosing between green belt and black belt, I’ve been both. Here’s how they actually differ when you’re sitting at your desk at 11 AM with a problem to solve. What a Six Sigma Green Belt Really Does on a Tuesday Morning A Six Sigma green belt is the person who fixes stuff in their own backyard. You’re not changing the whole company. You’re fixing the leak under your sink. Sa...