The Delivery Playbook
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+45% satisfaction from 30 phone calls
AI made building cheap. Knowing what's worth building didn't follow. The discipline that survives: go by what customers do, not what they say.
Jul 23
•
Jean-Luc COSSI
1
Release Failures Hit Zero. Then They Bounced Back
A diagnosis, a countermeasure, and one real case. Four months of release data, and the month the gains slipped back.
Jul 15
•
Jean-Luc COSSI
1
Engagement Is a Performance Signal, Not an HR Survey
A diagnosis, a countermeasure, and one real case. One instrument run twice, and the problems are still open at plus 50.
Jul 7
•
Jean-Luc COSSI
2
June 2026
Your Backlog Isn't a Headcount Problem
Hiring won't clear it. A support team cut its backlog 94% with the same six people, by switching how work flows in. Here's the one move.
Jun 30
•
Jean-Luc COSSI
1
3
Your Team Doesn’t Have a Defect Problem
A diagnosis, a countermeasure, and one real case. Two months of system work, and the part no playbook can install.
Jun 23
•
Jean-Luc COSSI
2
AI Put More Work in Flight. You Won't See the Slip Coming.
A diagnosis, a countermeasure, and one real case. Three months of system work, and the target they kept red on the wall.
Jun 15
•
Jean-Luc COSSI
1
Half Your Lead Time Hides Between Teams
A diagnosis, a countermeasure, and one real case. Three months of system work, and the part that won't hold on its own.
Jun 8
•
Jean-Luc COSSI
1
May 2026
Engineering Managers Don't Have a Time Problem
A diagnosis, a countermeasure, and one real case. Six weeks of system work, and what it actually changed.
May 29
•
Jean-Luc COSSI
1
1
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