https://leantechpro.com/Recent content on LeanTechProHugoen-usSun, 01 Nov 2026 00:00:00 +0000https://leantechpro.com/hello-static/Sun, 01 Nov 2026 00:00:00 +0000https://leantechpro.com/hello-static/LeanTechPro moves off WordPress to a static site on Cloudflare Pages: faster pages, nothing to hack, free hosting, and content in plain Markdown.https://leantechpro.com/how-to-publish/Sun, 01 Nov 2026 00:00:00 +0000https://leantechpro.com/how-to-publish/The exact steps to publish a new article on LeanTechPro: create a Markdown file, preview locally, git push — Cloudflare Pages deploys automatically.https://leantechpro.com/agentic-system/Tue, 21 Jul 2026 18:10:36 +0000https://leantechpro.com/agentic-system/AGENTIC AI · HOW LEANTECHPRO RUNS One Operator. An Agentic Production System. LeanTechPro runs its content, research, and client deliverables on a set of AI agent skills I designed, built, and operate daily. Each skill encodes a working method as a standard. This page shows the system. I demo it live in 90 seconds. See […]https://leantechpro.com/workshop/Thu, 02 Jul 2026 09:07:49 +0000https://leantechpro.com/workshop/HALF-DAY WORKSHOP · FOR ENGINEERING LEADERS Your AI tools made coding faster.Delivery didn’t move. A half-day working session with your leadership team. We map where the speed leaks in your delivery system, find the constraint, and you leave with the redesign plan. Built on 15 years of measured turnarounds inside engineering and IT teams at […]https://leantechpro.com/management-obeya-case-study/Fri, 24 Apr 2026 23:54:02 +0000https://leantechpro.com/management-obeya-case-study/An IT services agency director built a management obeya to run his business from one room. Seven boards, weekly sessions, and structured problem-solving replaced opinion-based meetings.https://leantechpro.com/project-obeya-room-case-study/Fri, 24 Apr 2026 15:13:51 +0000https://leantechpro.com/project-obeya-room-case-study/A BI team managing 18 projects built an obeya room and improved on-time delivery from 24% to 55% in 3 months. Full case study with three PDCAs and measured results.https://leantechpro.com/lead-time-vs-cycle-time/Tue, 07 Apr 2026 15:06:40 +0000https://leantechpro.com/lead-time-vs-cycle-time/Lead time measures the time from request to delivery. Cycle time measures the duration of a recurring process. Learn how to use both.https://leantechpro.com/devops-lead-time-reduction-case-study/Sun, 15 Mar 2026 23:21:51 +0000https://leantechpro.com/devops-lead-time-reduction-case-study/A DevOps team halved its infrastructure deployment lead time to under 30 days. Value stream mapping revealed half the time lost in one queue. Root causes and fixes inside.https://leantechpro.com/cobol-defect-reduction-case-study/Fri, 13 Mar 2026 21:32:49 +0000https://leantechpro.com/cobol-defect-reduction-case-study/How a 15-person COBOL team cut defects from 93 to 8 in 60 days. The diagnostic, the practices, and the numbers from a banking software case study.https://leantechpro.com/engineering-team-performance-non-technical-founder/Wed, 04 Mar 2026 20:27:14 +0000https://leantechpro.com/engineering-team-performance-non-technical-founder/You’re spending $20K/month on engineers but can’t tell if it’s working. Here are the exact signals non-technical founders should watch, no coding required.https://leantechpro.com/ai-tools-not-delivering/Sun, 01 Mar 2026 21:00:30 +0000https://leantechpro.com/ai-tools-not-delivering/AI tools made your developers faster. But delivery got slower. A diagnostic framework for CTOs to find where AI gains disappear in the delivery pipeline.https://leantechpro.com/ai-delivery-guide/Fri, 27 Feb 2026 09:28:01 +0000https://leantechpro.com/ai-delivery-guide/Free Guide · AI & Delivery Performance Is Your Tech Delivery SystemReady for the AI Era? 7 diagnostic questions every CTO should ask right now, with the data, the blind spots, and a scoring framework to find where your delivery breaks down. What’s inside the guide A 12-page diagnostic framework built for engineering leaders managing […]https://leantechpro.com/lean-testing-case-study-24-productivity-gain-three-months/Tue, 20 Jan 2026 16:28:55 +0000https://leantechpro.com/lean-testing-case-study-24-productivity-gain-three-months/Lean Testing case study: a 13-person billing test team raised productivity 24%, cut diagnostic errors from 15% to 10.5%, and improved client satisfaction.https://leantechpro.com/your-delivery-system-is-part-of-your-product/Tue, 13 Jan 2026 15:28:10 +0000https://leantechpro.com/your-delivery-system-is-part-of-your-product/Delivery capability isn’t separate from your product. It’s part of it. Customers experience speed, reliability, and support, not just features. Toyota and Amazon understood this decades ago.https://leantechpro.com/delivery-flow-scorecard/Sun, 11 Jan 2026 19:33:45 +0000https://leantechpro.com/delivery-flow-scorecard/A free 2-minute diagnostic: 10 questions on how work flows through your team. Instant score, your #1 bottleneck, and a 3-step action plan.https://leantechpro.com/what-is-lean-testing/Fri, 02 Jan 2026 22:02:02 +0000https://leantechpro.com/what-is-lean-testing/Lean Testing applies Lean principles to software testing. Learn the principles, see a real case study with 200% productivity gain, and get started today.https://leantechpro.com/lean-testing-in-action-how-we-tripled-testing-productivity-in-3-months/Fri, 26 Dec 2025 23:42:58 +0000https://leantechpro.com/lean-testing-in-action-how-we-tripled-testing-productivity-in-3-months/Lean Testing case study: how a 15-person testing team tripled productivity and cut false defects from 44% to 4% in 3 months using visual management and PDCA.https://leantechpro.com/how-to-scale-customer-support-without-just-hiring-more-people/Thu, 25 Dec 2025 00:22:52 +0000https://leantechpro.com/how-to-scale-customer-support-without-just-hiring-more-people/Hiring more support agents won’t fix your backlog. Learn the Lean approach to scaling customer support by fixing flow, not adding headcount. Real case study.https://leantechpro.com/when-agile-coaching-doesnt-deliver-a-results-based-alternative-for-tech-leaders/Mon, 22 Dec 2025 18:15:23 +0000https://leantechpro.com/when-agile-coaching-doesnt-deliver-a-results-based-alternative-for-tech-leaders/Why do 84-96% of Agile transformations fail? They optimize ceremonies, not work. Learn the four practices that drive measurable results for tech teams.https://leantechpro.com/llm-cost-optimization-reduce-api-spending/Fri, 19 Dec 2025 09:07:49 +0000https://leantechpro.com/llm-cost-optimization-reduce-api-spending/Most LLM teams waste 40-60% of their AI budget on operational inefficiencies. 6 patterns killing your budget and how to fix each one.https://leantechpro.com/voice-of-customer-voc-a-complete-guide-for-tech-teams/Thu, 18 Dec 2025 23:52:11 +0000https://leantechpro.com/voice-of-customer-voc-a-complete-guide-for-tech-teams/What is Voice of Customer (VoC)? Learn how tech teams use VoC to prioritize work. Case study: IT team improved satisfaction 45% in 3 months using Lean.https://leantechpro.com/what-is-an-obeya-room-a-complete-guide-with-examples/Sun, 14 Dec 2025 19:33:32 +0000https://leantechpro.com/what-is-an-obeya-room-a-complete-guide-with-examples/What is an Obeya Room? A visual management space where cross-functional teams align, solve problems, and run delivery. Three types, six animation practices.https://leantechpro.com/value-stream-mapping-the-missing-piece-in-your-arts/Sun, 14 Dec 2025 18:34:50 +0000https://leantechpro.com/value-stream-mapping-the-missing-piece-in-your-arts/Discover how value stream mapping transformed a tech organization’s ARTs from rigid silos to an agile powerhouse. A practical guide to optimizing flow without restructuring.https://leantechpro.com/value-stream-mapping-for-software-teams-a-complete-guide-with-examples/Sun, 14 Dec 2025 18:12:13 +0000https://leantechpro.com/value-stream-mapping-for-software-teams-a-complete-guide-with-examples/Value Stream Mapping transforms software delivery by eliminating waste, optimizing flow, and aligning teams for faster customer results.https://leantechpro.com/the-pdca-cycle-deming-cycle-a-complete-guide-with-examples/Sun, 14 Dec 2025 15:41:37 +0000https://leantechpro.com/the-pdca-cycle-deming-cycle-a-complete-guide-with-examples/Learn the PDCA Cycle (Deming Cycle) with real tech examples. See how teams reduced defects by 91% and false bugs by 83% using Plan-Do-Check-Act.https://leantechpro.com/a3-problem-solving-a-complete-guide-with-template-examples/Sun, 14 Dec 2025 02:30:17 +0000https://leantechpro.com/a3-problem-solving-a-complete-guide-with-template-examples/A3 Problem Solving is a structured one-page method from Toyota for root cause analysis and continuous improvement. Includes implementation guide, template, and real-world examples.https://leantechpro.com/5-whys-root-cause-analysis-guide/Sun, 14 Dec 2025 00:01:14 +0000https://leantechpro.com/5-whys-root-cause-analysis-guide/A comprehensive guide on Root Cause Analysis (RCA) to effectively identify and solve problems at their source with practical tips and strategies.https://leantechpro.com/the-capability-gap-killing-your-ai-pilot/Sun, 07 Dec 2025 22:39:09 +0000https://leantechpro.com/the-capability-gap-killing-your-ai-pilot/88% of AI pilots never reach production. The problem isn’t technology, it’s capability. A Lean coaching framework to move your AI pilot from stuck to production.https://leantechpro.com/the-top-priority-problem-why-engineering-teams-struggle-with-delivery/Sat, 12 Jul 2025 21:24:31 +0000https://leantechpro.com/the-top-priority-problem-why-engineering-teams-struggle-with-delivery/Why do engineering teams still miss delivery targets even with great tools, AI, and skilled developers? This article exposes the hidden system issues, like WIP overload and broken flow, that block progress and shows how leaders can fix them with pull-based practices.https://leantechpro.com/why-your-dev-team-still-struggles-with-delivery-even-with-ai-better-tools-and-great-engineers/Sat, 12 Jul 2025 15:45:58 +0000https://leantechpro.com/why-your-dev-team-still-struggles-with-delivery-even-with-ai-better-tools-and-great-engineers/Even with AI and great tools, many dev teams face delivery bottlenecks. This guide shows how to fix broken flow using Lean thinking and real examples.https://leantechpro.com/the-hidden-cost-of-vibe-coding-applying-lean-tech-to-reduce-technical-debt-in-ai-driven-teams/Mon, 31 Mar 2025 00:11:14 +0000https://leantechpro.com/the-hidden-cost-of-vibe-coding-applying-lean-tech-to-reduce-technical-debt-in-ai-driven-teams/Learn how ‘vibe coding’ with AI accelerates technical debt and how Lean Tech principles can help developers maintain code quality while still leveraging AI’s productivity benefits.https://leantechpro.com/testimonials/Sat, 01 Mar 2025 11:45:33 +0000https://leantechpro.com/testimonials/These testimonials were given by professionals I’ve collaborated with through consulting engagements or subcontracting missions, and reflect their direct experience working with me on tech delivery improvement initiatives. – JL COSSI Client Testimonials Technology Leaders LinkedIn recommendation from February 2, 2024 LinkedIn recommendation from October 5, 2018 Tech Engineers LinkedIn recommendation from December 14, 2022 […]https://leantechpro.com/beyond-the-safe-blueprint-a-pragmatists-guide-to-value-streams/Wed, 04 Dec 2024 23:42:13 +0000https://leantechpro.com/beyond-the-safe-blueprint-a-pragmatists-guide-to-value-streams/When SAFe implementation meets business reality: Learn how value stream mapping provides a pragmatic path forward without disrupting your transformation momentum.https://leantechpro.com/support-backlog-reduction-case-study/Sun, 24 Nov 2024 23:24:26 +0000https://leantechpro.com/support-backlog-reduction-case-study/A government tech support team cut its e-services backlog by 94% and lifted citizen satisfaction from 6.2 to 8.5 in three months using Lean practices.https://leantechpro.com/privacy-policy/Sat, 23 Mar 2024 19:58:59 +0000https://leantechpro.com/privacy-policy/Who we are KERYON, a French société par actions simplifiée (SAS), registered under SIREN 820 001 790 — RCS Paris, with its registered office at 58 rue de Monceau, 75008 Paris, France, provides management consulting services, including coaching and training. LeanTechPro is a brand of KERYON. Publication director: Jean-Luc Cossi. Our website address is: https://leantechpro.com. […]https://leantechpro.com/about/Mon, 09 Sep 2019 14:02:55 +0000https://leantechpro.com/about/Jean-Luc Cossi Founder, LeanTechPro About Jean-Luc Cossi 15+ years fixing delivery problems inside tech teams at Michelin, BNP Paribas, Sodexo, and government agencies. Not from the sidelines. On the ground, with the team, until the numbers move. Before founding LeanTechPro, I led operational transformations in insurance, telecom, and digital services across Europe. I’ve worked with […]https://leantechpro.com/contact/Sun, 15 Aug 2010 19:13:33 +0000https://leantechpro.com/contact/Get in touch