The instrument every enterprise has been working without.
Executives, operators, boards and investors have needed the same thing for decades and never had it: a persistent, reliable connection between what a business does for its customers and what the business is worth. Without it, an extraordinary amount of effort goes into rebuilding the picture, and the focus that belongs in the business goes into explaining it instead.
Every critical process in a company eventually got controls. One never did.
Financial close got reconciliation and audit. Manufacturing got statistical process control. Software got review and continuous integration. The process by which leaders work out what is actually happening in the business, and what to do about it, got a meeting.
Numbers are not required to reconcile between one reading and the next. Conclusions carry no record of where they came from. Confidence is never stated. The output decays to nothing the moment the deck closes, and quality depends entirely on who happened to run it.
Any other process with those properties would be judged out of control and remediated. This argument needs no agreement with our worldview, only that a company apply the standard it already applies everywhere else in its own building.
So fog accumulates. Not because anyone is careless, but because nobody has a complete, independent, persistent view of how the organization actually works.
Most organizations have accepted this as the cost of doing business. The politics. The defensive reporting. The duplicated analysis. The consulting cycles. The decisions that take a quarter longer than they should. We don't think it has to be that way.
Rejoyce came out of its founder's experience on both sides of consequential enterprise decisions — analyzing businesses, operating inside them, and advising leaders responsible for changing them.
Across those settings the same problem kept appearing: it could take weeks or months to assemble a defensible picture of what was actually happening, why it was happening, and what it meant economically. The analysis could be excellent. It was still late, still contested, and it largely disappeared when the work was over.
Why should a business have to reconstruct its understanding of itself every time it needs to make an important decision?
Rejoyce is the answer: a persistent model of the business that connects how it operates, what customers experience, where performance is constrained, and what those conditions mean economically, so that understanding can be interrogated and extended rather than continually rebuilt.
Two ideas the whole thing rests on.
The business reasons. Humans decide and act.
Executives have read their businesses for twenty years. What they have never had is an instrument equal to their own judgment — something that can hold the whole picture at once, show its work, and be argued with honestly.
That division of labor is deliberate, and we do not intend to blur it.
A company should not have to reconstruct itself to explain itself.
Transformation stops being a bet placed at the start and defended for two years. It becomes something a business can watch converting, or failing to convert, while there is still time to change the outcome.
And the enormous energy currently spent managing the narrative becomes available for managing the business.
We are not the hero of this story. The operator who installs it is. We are the instrument.
The practice behind the instrument.
Zero Fog is the founding practice through which the work behind Rejoyce became explicit — installing the picture inside a business, interrogating what it reveals, and helping leadership act on it.
Rejoyce takes the reasoning that work requires and makes the underlying model persistent.
Three things we decided early and have not moved on.
Confidence is carried on every number and folds to the weakest input. Where the evidence will not support a claim, the system declines to make it and says which part it would not stand behind. This is not modesty; it is the only reason to believe the rest of it.
Joyce interprets, frames and brings the outside context. Every figure is computed by the model from your data. The two are deliberately kept apart, and that line does not move.
Judgment, cross-industry pattern recognition, political cover, and the ability to work where there is no usable data belong to people, and they always will. Your advisers and your team are not being replaced. What changes is that everyone in the room gets a reference to argue from, instead of arguing about whose numbers are right.
How this came about.
Across institutional investing, enterprise operations, transformation and advisory work, the same gap kept showing up: financial outcomes and operating reality were difficult to hold in one persistent picture.
Years of operating-model, customer, transformation and value-creation work sharpened a repeatable way of assembling that picture. Zero Fog turned it into a focused practice.
Even excellent work had to be reconstructed engagement after engagement. The analysis improved; the institutional understanding did not accumulate with it.
Rejoyce makes that understanding persistent — a model of the business that can be interrogated, challenged and extended rather than rebuilt.
Jayven Rappa
Founder, Rejoyce · Founder, Zero Fog
Jayven has spent more than two decades working at the intersection of enterprise operations, financial performance and transformation — from early institutional investment work through leadership roles at Liberty Mutual, Bank of America and BCG.
Across those settings the recurring problem was the same: organizations had extraordinary amounts of data and expertise, but no persistent way to connect how the business operates, what customers experience, where performance is constrained, and what those conditions mean economically.
Rejoyce is the system he founded to make that connection persistent.