AI investment appraisal: 90-day implementation playbook

Executive summary

A method for turning an approved AI investment into executed work in its first 90 days.

What is inside

What the 90-day playbook covers

The asset walks a delivery lead through mobilization, seven workstreams, a milestone plan in three 30-day blocks, the action log, escalation rules, and the preparation for the go-live gate. It includes a milestone plan, an action log template, and an escalation rule card, with a worked synthetic case.

Mobilizing the team and governance in the first two weeks
Contract terms that protect the business case
Remediation, build, and model approval on one critical path
Measurement infrastructure live before any user

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How to use it

How teams use it

Delivery leads use it from the day after investment approval. Workstream leads run their plans against the milestone calendar, the action log is reviewed weekly, and the sponsor chairs fortnightly reviews and the day-90 go-live gate.

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Stratenity Advisory Team. (2026). AI investment appraisal: 90-day implementation playbook. Stratenity Library. https://www.stratenity.com/resources/library/playbooks/ai-investment-appraisal-90-day-implementation-playbook

Stratenity Advisory Team. "AI investment appraisal: 90-day implementation playbook." Stratenity Library, 2026, www.stratenity.com/resources/library/playbooks/ai-investment-appraisal-90-day-implementation-playbook.

Stratenity Advisory Team. "AI investment appraisal: 90-day implementation playbook." Stratenity Library, 2026. https://www.stratenity.com/resources/library/playbooks/ai-investment-appraisal-90-day-implementation-playbook.

Stratenity Advisory Team (2026) AI investment appraisal: 90-day implementation playbook. Stratenity Library. Available at: https://www.stratenity.com/resources/library/playbooks/ai-investment-appraisal-90-day-implementation-playbook (Accessed: the date of access).

@misc{stratenity_stxa0107, author = {{Stratenity Advisory Team}}, title = {AI investment appraisal: 90-day implementation playbook}, year = {2026}, publisher = {Stratenity Library}, howpublished = {\url{https://www.stratenity.com/resources/library/playbooks/ai-investment-appraisal-90-day-implementation-playbook}}, note = {Asset ID STX-A0107} }

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AI investment appraisal: 90-day implementation playbook

What the 90-day playbook covers

This is a taste. The full library goes deeper.

Stratenity is the AI Operating System for Strategic Execution™.

Stratenity is the AI Operating System for Strategic Execution^™.