Concept — Marginal Gains Curve

• Canonical name: Marginal Gains Curve
• Aliases: "1% better", aggregation of marginal gains, kohia te kai rangatira
• Type: continuous-learning posture
• Primary chapter: 5 (Learn)
• Other chapters appearing in: 8 (Preparation)

Role in the book

The team's learning architecture: continuous, deliberate, incremental improvement modeled on Toyota's kaizen and Sir Dave Brailsford's "aggregation of marginal gains." Coaches as teachers; players as students.

Energy / personality

Patient. Studious. Exacting. Compounding.

Visual signature

A graphical curve — a 1% improvement line that compounds into a steep hockey-stick, hand-chalked on a slate or whiteboard. Diagrammatic, monumental.

Source references

• Kerr, J. Legacy, ch. 5 — "Create a Learning Environment"
• SuperSummary chapter overview citing kaizen / Brailsford parallels

Confidence

High.