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American Express
Structured Thinking Behind Seamless Service
Our engagement with American Express offered a window into a culture that combines service excellence with operational discipline. Across teams, we found a strong focus on structured thinking, analytical depth, and a genuine commitment to doing things better — not just for efficiency, but for customer impact. The conversations reflected an organization that values both consistency and continuous learning, with a clear emphasis on strengthening internal capability.
It was a privilege to work with professionals who view improvement not as a mandate, but as a mindset — one that’s deeply embedded in how they serve, lead, and evolve
Testimonials for Benchmark Six Sigma
Feedback Filters
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manvi garg
10/12/2023
Manager, Encore Capital Group
Good Training; Trainer Explained Everything Well
“It was good; the trainer explained everything pretty well. The clarity of explanations was excellent.”
Lean Six Sigma Green Belt
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The trainer’s Expertise Made Sessions Effective
“The trainer is very good with the content and is ready with a handful of real industry examples in case anyone is not understanding the general concept. His expertise made the sessions highly effective.”
Lean Six Sigma Green Belt
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Sagarneel Tarafdar
10/12/2023
Quality Analyst, Globiva
Meticulously Organized Course with High-Quality Materials
“The course content was very well designed and well-modulated. The organization of the material made it easy to follow.”
Lean Six Sigma Green Belt
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Strategic Insights for High ROI
Effectively articulated with real-world examples, making it an invaluable resource for top management to prioritize projects and maximize returns.
Business Value Analyst
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Superb Training Experience with Excellent Trainer
“The overall training experience was superb; the trainer was very excellent with his knowledge, and the way he delivered all that knowledge was appreciable. Thank you. The sessions were highly beneficial.”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt -
Good Training; Suggests More Practical Work on Projects for Real Understanding
“It was good; however, there could have been some more practical work on projects that could help us to understand how the learnings and tools can work in real scenarios. The hands-on approach would enhance understanding.”
Lean Six Sigma Green Belt
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Rajdeep choudhury
03/12/2023
collection specialist, Airbnb
Effective and Engaging Teaching Method
“Nice teaching method. The trainer’s approach made the sessions engaging and effective.”
Lean Six Sigma Green Belt
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Interactive Training with Detailed DMAIC Exercises
“Training is very interactive and provides an opportunity to practice multiple exercises from each phase of DMAIC. The training material is very detailed. The comprehensive nature of the material enhanced learning.”
Lean Six Sigma Green Belt

