TwinLadder
Score your organisation

Can your people still tell when the AI is wrong?

TwinLadder is an app you subscribe to. It keeps your judgment register, runs the checks from the book, and gives your board a verified reading every quarter.

Runs in your browser. Nothing to install.

Score your organisation

Free. The ten-question ladder from Judgment Capital, chapter 12. Your result shows on screen. See the app

Built on the book’s six modes (chapter 10) and its working methods (Appendix A).

Judgment is the capital you run on

AI will lift your productivity. The judgment that checks it is formed in the ordinary work the AI now does first. People learn judgment by doing the work: the first draft, the reconciliation, the first-pass check.

When the machine does that work, the output improves and the practice stops. The first rung of the ladder is no longer there.

+14%

Productivity of support agents with an AI assistant, on average. For novices, +34%.

Brynjolfsson, Li & Raymond, “Generative AI at Work”, NBER Working Paper 31161; Quarterly Journal of Economics, 2025.
22.4%

Experienced endoscopists’ unaided detection rate after routine AI assistance, down from 28.4%.

Budzyń et al., “Endoscopist Deskilling Risk after Exposure to Artificial Intelligence in Colonoscopy”, The Lancet Gastroenterology & Hepatology, 2025. Observational.

Nothing shows on the books. A firm that hires fewer juniors records a saving, and the cost arrives years later, as seniors nobody formed.

A young woman taking notes while a senior colleague walks her through a document
Where judgment forms: a junior doing the work beside someone who has done it before.
“The people who will hold your institution’s judgment in 2040 are in the building now, or soon will be, doing whatever work you decide to leave them.”
Judgment Capital, chapter 14

Six ways judgment wears down

The book names six. Each has an owner, a number the board can read, and a method that holds it.

Pipeline collapse

The juniors who would have become your seniors are no longer hired, or no longer formed.

Owner: CHRO. Read by: the intake curve, against a floor.

Competence drift

Reviewers slowly agree with the machine more and form their own view less.

Owner: CRO. Read by: the override rate, beside a blind re-judgment of one decision in eight.

Inquiry groupthink

Every director is briefed by the same fluent source, and the room stops producing alternatives.

Owner: CRO. Read by: the share of consequential decisions where a divergence method was run.

Detection blindness

The people who review the machine’s work lose the ability to see what it missed.

Owners: CRO and CHRO. Read by: planted known-bad cases, caught out of planted, against a pass rate the board sets.

Authorship erosion

Work that reads well, which nobody in the building could rebuild with the tools off.

Owner: CRO. Read by: a tools-down rebuild, at least once a year.

Agency erosion

Someone sees the machine is wrong, and the process gives them no way to stop it.

Owner: CRO. Read by: overrides exercised each quarter, and the share of flows with a named, tested halt point.

Read the six modes

One register, read every quarter

The app holds this risk the way your board already holds credit, liquidity and cyber: owners, tiers, thresholds, a clock.

The claims desk’s drill this quarter. Change the numbers and watch the entry.

Pass rate set by the board on 12 Sep 2026: 85%

Detection blindness · Claims deskSample data
Owners
CRO, CHRO
Reading
31 of 40 planted cases caught (78%)
Threshold
85%, set by the board 12 Sep 2026
Tier
Concern since 14 Jan 2027
Plan
Double the seed volume for two quarters, defect review of the 9 misses, re-read 15 Apr 2027
Back to Watch when
Four quarters at or above 85%. This quarter does not count.
Below the pass rate. Proposed by the app; the owner and the board decide.

An entry comes back down only after its condition has held for four quarters. Entries are escalated or downgraded, never closed.

Two lines. Succession, owned by the CHRO. Decision quality, owned by the CRO. The chief executive answers for the whole.

Watch
A reading is moving the wrong way, inside the range the owner accepts.
Concern
A reading has crossed a threshold set in advance, and the owner brings the board a plan with its own clock.
Live loss event
The failure the register predicted has happened.

What the app does each quarter

It puts the book’s methods on a calendar, reminds the people who run them, and turns their results into the board reading.

A board meeting by tall windows: a grey-haired director speaks while the others at the table listen
Where the reading ends up: the board, every quarter.

  1. Keeps the calendar. Every method from Appendix A gets a due date and a named person. The app reminds them before the date and tells the line owner when a check is late.

    A.2 Monthly defect reviewClaimsDue 3 Feb 2027Head of Claims
    Reminder sent 27 JanDue in 7 days
    Ten failures from January, read by eye. If it is late, the CRO is told on 4 Feb.

  2. Re-scores the ladder. The ten questions from chapter 12, re-asked each quarter, with the evidence attached to each answer. Any question at zero is flagged, because no rung can be claimed while one stands there.

  3. Runs the drills. Your own known-bad cases, mixed with clean ones, for a review desk to work. The app records what was caught, what was missed and how long it took, and reports by desk, never by person. It schedules the tools-down rebuild and the monthly defect review.

  4. Logs overrides and halt points. Who may overrule the machine in each process, where each process must stop, and how many overrides were actually made. Zero is shown as a question to answer.

    Overrides exercisedPayments flowQ4 20260
    Agency erosion · PaymentsQuestion to answer
    “Zero is not good news and not bad news; it is an unanswered question.” Appendix A. Halt points named in 2 of 7 flows.

  5. Holds the protect and hand-over map. For each automated process, the steps that form judgment and the steps safe to hand to the machine, signed by the person who runs the process. The value audit for each new automation case sits beside it.

  6. Tracks pairing and intake. Junior intake against its floor, and senior–junior hours on live work, logged in both directions.

  7. Prepares the board reading. The register, the rung, the five questions for Monday and the answers in writing, signed by the verifier you name. Kept so it would stand up to an auditor.

    Prepare the Q1 2027 readingFor the board meeting of 21 Jan
    Five questions for Monday · Q1 2027Sample data
    1. Who overrode the machine?Answered 12 Jan · CRO
    2. Who decided what to protect?Answered 12 Jan · CHRO
    3. Tools down, who catches it?Answered 14 Jan · CRO
    4. What did nobody see?Answered 15 Jan · CRO
    5. Where is it written?Answered 15 Jan · Company secretary
    Verified by Head of Internal Audit (sample) · 18 Jan 2027Motion: answers in writing within 60 days

Your people enter what happened, by form or spreadsheet upload: override counts, pairing hours, intake, drill results. The app computes each reading, sets it beside the threshold you chose, and proposes a tier. The owner and the board decide.

The app works beside your AI systems and stays out of them, so your verifier checks the evidence behind every number. See the app

A curved wooden library ladder against shelves of leather-bound books

Start with ten questions

The ladder from chapter 12, free: ten questions, each scored 0, 1 or 2 on evidence, and a rung you can defend.

  1. Blind
  2. Aware
  3. Controlled
  4. Resilient
  5. Antifragile
  • 0The evidence does not exist.
  • 1It exists as a policy or an intention.
  • 2It happened in the last two quarters and would survive an auditor.
“You cannot claim any rung while any of the ten stands at zero.”
Judgment Capital, chapter 12
Score your organisation Your result shows on screen, with no email asked. In the app, the ten questions come back every quarter.

A workshop for each method

Online, live, with your own cases. Each one sets up an instrument in the app and leaves you with a draft for the board.

See the workshops

A laptop on a desk showing four people in a video meeting, with printed charts beside it
Every workshop runs online, live, for up to 12 people.

For the board

Half a day

W1 The Register

Your register in the app: two lines, owners, first entries, thresholds.

€4,900
90 minutes

W2 Five Questions for Monday

The five board questions and the sixty-day motion, as a tracked item.

€2,900
90 minutes

W7 The Divergence Round

A divergence method and decision registry for the board or a committee.

€2,900

Every fee is per group of up to 12, + VAT. Led by the authors of Judgment Capital.

The legal floor, checked

Deployment competence

Whether staff know which AI systems they use and can say where these fail.

Policy and data protection

AI policies that are enforced: acceptable use, prohibited uses, approval to buy AI tools.

Training and development

Role-specific training in checking outputs, spotting risk, knowing when not to use AI.

Technical infrastructure

Control over the AI estate: tool inventory, human oversight, risk classes.

Evidence and documentation

Whether you could show your work to an auditor: records, test results, decision trails.

Ethical and responsible use

Accountability, ethical oversight and watching the rules as they change.

AI decision boundaries

What AI may decide, who escalates, who may override, who answers for it.

Seven pillars from the Twin Ladder Standard, scored in a guided interview, with a record of the measures Article 4 of the AI Act asks for.

The register watches your people’s judgment. The readiness check covers the governance underneath it. Run it once free to set the floor. Every plan includes it after that, so you can run it again when the rules change.

See the readiness check

One price for the organisation

Priced by the size of your organisation, with unlimited users and free seats for the board. Small companies pay €89 a month.

Add-ons: TwinLadder as your verifier, from €490 a reading. Workshops, €2,900–7,900 per group. All prices + VAT.

€89

a month
Small planUp to 50 people
Processes
3
Drill desks
1
Set-up
You, in the app
Small
Up to 50 people
€89 a month
Or €890 a year. Three processes, one drill desk. You set it up yourself.
Standard
51–500 people
€390 a month
Billed yearly. Twelve processes, five drill desks.
Large
501–5,000 people
€1,190 a month
Billed yearly. Forty processes, twenty drill desks.
Group
Several entities, or over 5,000
from €2,900
A month, billed yearly, by contract.

See plans

The hardback of Judgment Capital: What Boards Must Preserve When AI Does the Thinking, by Oksana Sivokobilska and Alex Blumentals

Every screen traces to a chapter

The app is built from Judgment Capital by Alex Blumentals and Oksana Sivokobilska. The method is in the book; the app runs it.

  • Chapter 10, The Register. Two lines, three tiers, six modes.The register
  • Chapter 11, Running the Register. Thresholds, the conditions for coming back down, the decisions no human saw.Thresholds and drills
  • Chapter 12, The Ladder. Five rungs, ten questions, the zero rule.The quarterly score
  • Chapter 13, The Agenda Item. Five questions for Monday, the motion, the verifier.The board reading
  • Chapter 14, Learning to Learn. Intake, pairing, a formation budget the board protects.Pairing and intake
  • Appendix A, The Working Methods. Seven methods, one per mode and one before you automate.What the app schedules and logs
  • Appendix B, The Register on One Page. The entry, and each process owner’s protect or hand-over decision.Entries and the map
Alex Blumentals
Oksana Sivokobilska and I wrote the argument in full: why judgment is an asset with a balance, how organisations run it down without noticing, and what a board can do about it. TwinLadder is the app that does the running.
Alex Blumentals
Founder, TwinLadder
Order the book

Score your organisation

Ten questions, scored on evidence. You see your rung, your zeros, and the five questions to take to your next board meeting.

Rather talk first? Send an enquiry.

The ladder self-score
You answer from

Free. No account needed. Your result shows on screen. Leave an email only to save it, get the one-page PDF and a reminder to re-score in 13 weeks.