profile

Learn Lean Sigma

Daniel Croft is a seasoned continuous improvement manager with a Black Belt in Lean Six Sigma. With over 10 years of real-world application experience across diverse sectors, Daniel has a passion for optimizing processes and fostering a culture of efficiency. He's not just a practitioner but also an avid learner, constantly seeking to expand his knowledge. Outside of his professional life, Daniel has a keen Investing, statistics and knowledge-sharing, which led him to create the website www.learnleansigma.com, a platform dedicated to Lean Six Sigma and process improvement insights.

Featured Post

The CI tool problem nobody talks about

Hi Reader, I’ve been reviewing the results from the 2026 Continuous Improvement Tools survey, and one pattern is very clear: Most teams are not struggling because they lack Lean tools. They are struggling because the tools are not turning into consistent behaviour. That matters. Many CI teams are already using the classics: 5 Whys. Fishbone diagrams. 5S. Gemba walks. Visual management. Standard work. Pareto analysis. A3s. Daily management boards. These tools are not new. They are not...

Hi Reader, I’m putting together the 2026 Continuous Improvement Tools Report, a short industry snapshot of what CI teams are actually using in practice. Not theory.Not certification slides.Real tools used in real environments. If you work in Lean, CI, Quality, Production, or OpEx, I’d really value your input. It takes 2–3 minutes to complete: 👉 CI 2026 Tools Report CI Tools Report 2026 The report will break down: • Most used CI tools• Tools delivering the most impact• What’s considered...

8 Wastes TIMWOODs Flash Cards Cover Image

Hi Reader, If you’ve ever wished your Lean training could be more interactive and engaging—especially when it comes to teaching the 8 Wastes—you’re going to love this. We have just launched a brand-new 8 Wastes Learning Game designed specifically for trainers, CI leaders, and Lean facilitators who want to help their teams identify waste in a practical, hands-on way. 🔍 What is it? A scenario-based game where players look at scenarios and try to identify the correct waste type—like Defects,...

Hi Reader, Implementing 5S is a great first step toward a more organized, efficient, and safer workplace—but how do you ensure your progress doesn’t fade over time? Many teams struggle with sustaining their 5S improvements because they don’t have a way to track progress and corrective actions. Without regular monitoring, workplaces often slip back into disorder. That’s why having a 5S Audit Trend Chart and an Action List is so important. How to Monitor 5S Progress The key to sustaining 5S is...

Hi Reader, Have you ever seen a problem get "fixed"—only for it to come back weeks later? One of the biggest challenges in problem-solving is making sure that solutions address the root cause and that teams stay aligned. That’s where A3 Problem Solving comes in. What is A3 Problem Solving? A3 Problem Solving is a structured approach developed within Toyota that helps teams methodically define, analyze, and solve problems—all on a single sheet of A3 paper. It ensures that solutions are...

Hi Reader, Have you ever tackled a process problem, only to see the same issue resurface later? Many teams jump straight into solutions without fully understanding the problem, which often leads to short-term fixes instead of long-lasting improvements. That’s where DMAIC comes in. What is DMAIC? DMAIC is a structured, data-driven approach used in Lean Six Sigma to define, analyze, and improve processes. It stands for: 🔹 Define – Clearly identify the problem and its impact 🔹 Measure – Collect...

Hi Reader, What if you could predict and prevent problems before they happen? That’s exactly what Failure Modes and Effects Analysis (FMEA) helps you do. FMEA is a structured risk assessment tool used to identify potential failure points in a process, product, or system before they cause major issues. By analyzing risks proactively, you can: ✅ Reduce defects and quality issues✅ Improve safety and reliability✅ Avoid costly downtime and rework How FMEA Works 1️⃣ Identify Failure Modes – What...

Hi Reader, Have you ever seen a great process improvement fail simply because people went back to the old way of doing things? One of the biggest challenges in Lean and Continuous Improvement is making sure that changes stick. That’s where Standard Work Instructions (SWIs) come in. Standard Work Instructuins (SWI) Download the Template Why Standard Work Instructions Matter Without clear documentation, improvements often fade over time as people revert to old habits or as new employees receive...

Hi Reader, When something goes wrong, do you stop at the first explanation, or do you dig deeper? One of the most effective problem-solving techniques in Lean and Six Sigma is the 5 Whys method. It’s a simple but powerful approach that helps you uncover the root cause of a problem instead of just addressing the symptoms. What is the 5 Whys? The idea is straightforward: You ask "Why?" five times (or as many times as needed) to drill down into the real cause of a problem. Instead of accepting...