ETEGY  /  Methodology  /  The model  /  The GSDPI lifecycle
The model · The operating lifecycle

GSDPI — the lifecycle every unit of work travels.

Get · Sort · Do · Prove · Improve. GSDPI is the operating lifecycle that carries Zero-Based Transformation — the five stages a request, a deal, or a decision moves through from demand to provable value. Read the model across all five, and you see exactly where strategy stops converting.

The model · GSDPI

Get · Sort · Do · Prove · Improve

Every unit of work — a request, a deal, a deliverable, a decision — travels the same five stages. The point of the lifecycle is not to describe them, but to read across all five at once.

G
Get
How demand enters — the front door, and every side door.
S
Sort
How work is classified, priced, routed, and committed.
D
Do
How it's executed across people, systems, and handoffs.
P
Prove
Whether evidence shows the intended outcome actually held.
I
Improve
Whether the system learns, corrects, and raises the floor.
GSDPI is continuous, not linear. Improve feeds the next Get — the model is a loop that either compounds capability or repeats its leaks. Where one stage breaks, the whole lifecycle stops converting, and the failure surfaces downstream wearing another name.
Why read it as a lifecycle

A status report tells you what moved. GSDPI tells you what converted.

Most reporting watches activity inside one function. Reading the model end to end changes what you can see — and where you look for the break.

What a status report shows
What GSDPI reads
Tasks completed inside a function
How work moves across the seams between functions
A project is on schedule
Which stage is throttling throughput for everything
A number was reported
Whether that number traces to a governed origin
The launch happened
Whether the model learns and holds the gain
Reading the model

Where the lifecycle exposes the break.

Read across all five stages and the pattern is rarely local. Three things surface almost every time.

The seams

Handoffs, not tasks

Work stalls between stages — in the intake-to-sort and do-to-prove seams — far more than inside any one of them.

The constraint

One breaking stage

A single stage usually throttles the whole model. Fix elsewhere and throughput doesn't move; the constraint just re-asserts.

The proof gap

Prove is the weak link

Do and Prove carry the heaviest pain — work is executed, then can't be shown to have held. The result is reported, not proven.

Where it sits

GSDPI carries the principle — and has its own body of work.

The lifecycle operationalizes Zero-Based Transformation and is made actual and provable by the instruments. Its full discipline — stages, gates, and practice — is detailed here and across the ETEGY methodology.

Zero-Based Transformation →

The principle GSDPI carries — start from zero, rebuild from evidence.

The instruments →

Voice of the System reads each stage; the Traceability Ratio proves the outcome.

See where your model stops converting value.

GSDPI is how we read it. The ZBT Discovery is how you put it to work.