I have stood in a donor hospital at 2am holding a decision that could not be undone.

UNOS data in my head. Cold ischemic clock running. Donor family upstairs. My recipient NPO on the other side of the country with a suitcase packed and a family trying to decide whether to say goodbye just in case.

The AI had already done its part.

Risk scores generated. Ischemic time windows calculated. Offer processed.

And then it stopped.

Because the moment that actually mattered was mine alone.

Do I take this organ for this person right now.

No structured way to document why a marginal ventricle felt good enough. No audit trail capturing which conflicting data I overruled. No accountability layer between what the system produced and the irreversible decision I was about to make.

Just everything I knew carried silently in my head.

I have stood at the handoff more times than I can count. Not just in donor hospitals. In cardiac ICUs at the end of fourteen hour shifts. In operating rooms where the AI surfaced the pattern and the decision was mine to own. In conversations with patients and families where the data said one thing and the clinical judgment said something more complicated.

Every time the structure was the same.

The system produced its output. And then it stopped. And I picked up everything the system left behind and carried it forward into a decision that had my name on it.

That moment is the handoff.

And it is the most structurally unsupported moment in every regulated profession that AI has touched.

Not just medicine. Finance. Law. Insurance. Education.

Every regulated industry has the same structural reality at its core. The AI produces the output. The credentialed professional inherits it. And the accountability layer that should connect those two moments has never been built.

Not because the technology is not good enough. Because nobody designed for the handoff.

The agentic AI era is making this more urgent not less.

Agents that execute workflows. Agents that surface patterns. Agents that generate recommendations at a speed and scale no human workforce can match.

All of it extraordinary. All of it stopping at exactly the same moment.

The moment the agent hands off to the professional who has to stand behind what it produced.

That moment is where the value of the agentic era is either realized or lost. Where the promise of AI in regulated industries either delivers or silently fails. Where the accountability gap either gets closed or gets wider at higher velocity.

I started this publication because that moment needs to be named, understood, and designed for before the agentic era makes the gap irreversible.

I am a cardiothoracic surgeon. An investor. Policy advisor. A founder. I am building MedicoVigilance™ at Tangibley to close this gap in healthcare specifically. And I am building GPe Research to close it across every regulated industry where credentialed professionals carry accountability that no agent can carry for them.

But before the infrastructure can be built the argument has to be made.

This is where I make it.

Not as a newsletter. Not as a product. Not as a company pitch.

As the argument that everything else is built on.

If you have stood at the handoff in your own professional environment as a physician, an attorney, a fiduciary, an underwriter, an educator, or any other credentialed professional in a regulated industry I want to hear from you.

Write to me. Tell me what the handoff looked like in your world. Tell me what the accountability layer needs to look like to make your profession safer, more defensible, and more trustworthy in the agentic AI era.

At The Handoff is not one voice.

It is every voice that has ever stood at that moment and understood what it actually requires.

Mo Johnson. Cardiothoracic Surgeon. Investor. Policy Advisor. Founder, Tangibley. Creator of MedicoVigilance™. GPe Research