A clinician at their desk between appointments
07About

The drugs worked. That was the hard part.

Incretin therapies produce weight reduction previously achievable only through surgery. What surrounds them is a twenty-minute visit every few months and a printed handout. We are building the part in between.

Why now

Our customer’s business changed this year.

In roughly sixteen months the molecule became a commodity with a published price, public coverage began, and the compounded-supply margin was enforced out of existence. Every dollar that used to sit in the medicine has left it.

What remains for a weight-management practice is the care around it, and the only product it has left to sell is whether patients stay. That is not a marketing problem. It is an operations problem that happens in the weeks nobody is watching.

Gallup’s National Health and Well-Being Index put current GLP-1 use for weight loss at 11% of US adults in June 2026, up from 3% in 2024.

The arithmetic

It cannot be staffed.

The obvious answer is to hire someone. The numbers say no, and they do not say it narrowly. A registered nurse costs about $101,000 a year in wages alone before benefits or overhead. Between-visit work for a panel of several hundred patients is more than one person’s job, and unlike a visit, none of it bills.

So it is the first thing a practice cuts and the last thing it can afford to. Which is why this care does not happen today, and why when it does happen it will be executed by software with clinical judgment reserved and routed rather than replaced.

US Bureau of Labor Statistics, May 2025, mean annual wage for registered nurses. Per-patient-per-month figures circulating in this category generally trace to vendor marketing rather than to a source, so we do not use them.

Why it doesn't exist

Everyone who could build it is disqualified.

The components are unremarkable: scheduled messaging, structured capture, classification, routing. The question is why, in a category this large, nobody has assembled them. Each class of incumbent is ruled out by its own structure, and none of those reasons is going away.

Record systems are organized around the encounterTheir data model, revenue and regulatory obligations all attach to a documented visit and the claim arising from it. Between-visit care for a cash-pay patient produces neither, so it is nearly invisible to the object model.
Manufacturers have the conflict, and have already triedPharmaceutical patient-support programs are a mature, well-funded industry. Persistence is still poor. A program run by the seller of the therapy cannot credibly counsel stopping, reducing or switching, and clinicians discount it accordingly.
Consumer apps have attention and no authorityAn application not connected to a prescriber cannot hold a dose or decide a symptom warrants contact. At the moment a patient most needs a decision, the decision belongs to a licensed clinician.
Health systems have authority and the wrong patientsThe affected population sits in independent practices and cash-pay programs outside the systems, and system procurement runs longer than a young company's runway.

The honest counter-argument is that between-visit engagement has been attempted repeatedly and failed on demand; twenty years of disease management disappointment is real evidence for it. Our answer is that the buyer, the cost per interaction and the absence of a formalized program object have all changed at once, and that this is cheaply testable rather than something to argue about.

How we work

Three commitments that decide the rest.

Clinical authority stays with cliniciansEvery protocol executed on the platform is authored and signed by a licensed clinician accountable for that population. We do not author medicine. It is a product constraint, a legal simplification, and the reason clinicians can trust Jeni between visits.
Measurement precedes automationNothing is automated before the manual version has been operated and timed. What to build is ranked by hours actually spent, not by product intuition. This is slower for two quarters and materially faster afterwards.
Implementation cost is a first-class metricHours to take a clinic live is reported alongside revenue in every operating review. Companies in this segment fail by absorbing that cost quietly until the margin is gone.
The team

Small, and hiring for the seats that matter.

Jeni is early by design. Byungsoo Ko built both halves: the consumer weight product whose paying subscribers produced the insight and supply the patient-side design capability, and the clinic platform, which is being built with its first practices rather than sold ahead of them. If you book twenty minutes, that is who you are talking to.

We are assembling a founding team around three seats: clinical, engineering, and go-to-market. The clinical seat matters most and comes first: protocol authorship is the durable asset, and a company where authorship depends on one or two people grows its protocol library linearly rather than compounding.

If you are an obesity medicine physician who has run this work by hand and knows exactly where it breaks, or an engineer who wants the hard part to be correctness rather than scale, write to us at hello@jeni.health.

Talk to us

The layer gets built by someone.

Better that it is built carefully, with the clinics who will run it, and measured in public.