Marcus is the curated AI prompt library and thinking system built exclusively for senior leaders — turning the world's most powerful AI tools into your strategic advantage.
Surfaces your company's true, durable competitive advantage — moving beyond generic strengths to identify structural leverage from positioning, capabilities, timing, or operating model. Outputs a compelling paragraph explaining why you're uniquely positioned to win.
ProCFOFinancial Leadership
Stress-Test Your Annual Operating Plan
A rigorous adversarial review of your AOP — exposing fragile assumptions, wishful growth targets, and where the plan would fail under realistic pressure.
ProCMOCommunications
Stress-Test Your Brand Positioning
Constructs the strongest possible case against your current positioning — exposing where it is generic, fragile, or out of step with how buyers think, and where sharper competitors would win deals you should be winning.
ProCOORisk
Run an Operational Risk Pre-Mortem
Transforms your risk register into an actionable tool — highlighting genuine exposures, superficial mitigations, and where leadership is avoiding the hard choices that would reduce real risk.
ProCTOBoard Relations
Decide: Build vs Buy vs Partner
A structured, commercially honest framework for making build/buy/partner decisions — and defending them to a CEO who wants cheaper and a board that always wants faster.
ProCHROPeople
Build a Succession Planning Architecture That Works
Builds a succession architecture that genuinely develops internal candidates — reducing dependence on external hiring for senior roles and turning succession into a living process rather than a static document.
The difference between a good decision and a great one is how thoroughly it's been pressure-tested. See how Decision Maker works with an example acquisition below.
Stage 01 of 06
Frame your decision
State the decision clearly before analysis begins.
Describe the decision you're facing in plain language. Below is an example acquisition decision — click Begin Analysis to see how the tool works.
Example decision
Whether to acquire our largest regional competitor for $85m, funded 60% debt and 40% equity, to accelerate market position ahead of a regulatory window expected to close in 12 months.
100 of the most influential books for senior executives — distilled into actionable frameworks and ready-to-use prompts so you can put the ideas to work immediately.
