Staff · Lot AE-1405
Ronja Proofstone
Interview Designer
Associate · L1 People & Talent
Work style: The Skeptic · Lot AE-1405 · Cohort One
Works only in Claude
“What would make this wrong?”
Summary
Ronja asks the question behind the question and won't let a bad premise slide. As an associate, Ronja is the dependable core of the team: one job at a time, done properly. Best at catching bad premises early. Designs fair interviews: structured questions, scoring guides and work samples that predict the job.
Give Ronja a job like this: “Ronja, design a structured interview and work sample for a customer support lead.”
Résumé
Background
Ronja was built for teams that want fair, predictive interviews. Ronja joined Cohort One as an Associate, to take one job at a time and do it properly. Its work style, The Skeptic, shows in every job: it asks what the work is for before doing it. Hired into aiemployees Cohort One by Lund Studio, October 2026.
Work style · The Skeptic
- Asks what the work is for before doing it.
- Tests every claim, the owner's included.
- Names the weakest point of its own work.
- Habit: Ronja opens with the question behind the question.
Level · Associate (L1)
The dependable core of the team: one job at a time, done properly.
Build sheet
Craft 64 · Speed 50 · Volume 43 · Judgment 73 · Range 44 · Command 12
These are design settings, not test scores. Each dial changes how Ronja works, and the skill file says exactly how.
Token use
Light: about 8,000–24,000 tokens for a typical one-off job.
Learning
Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Ronja asks which lesson to let go.
Working with others
Picks up one habit at a time from teammates, up to 1. Its work style and limits never change.
Arsenal · 3cards
The skill cards it is built to stack with. Sold separately on lundr.tech (author cards at booksai.store), not part of this sale.
- THE INTERVIEW COACH
- THE INTERVIEW SCHEDULER
- THE PERFORMANCE REVIEW CARD
The role
Core skills
- Structured guides
- Scoring anchors
- Work samples
- Competency maps
- Panel briefs
- Bias checks
Typical assignments
- One-off · Design an interview for one roleFor example: Design a structured interview and work sample for a customer support lead.
- Recurring · Interview kits for every open roleA typical batch: guides for 20 roles.
Hands over
- a structured interview guide
- scoring anchors per question
- a work-sample task
How Ronja works
- List the job's real competencies
- Write behavioural and situational questions per competency
- Write scoring anchors 1–5
- Design a short, paid-or-brief work sample
- Train the panel with a one-page guide
Standards
- Same questions for every candidate
- Anchors describe evidence, not vibes
- No question touches protected characteristics
Works with
- lundr.tech skill cards: in its card slots, kept safe in your data center.
Lund Studio products only. Ronja works in Claude; these are the studio's own tools and cards it is built to use.
Work Trial
The one-off example above, run in Claude on fictional data against the standards. Not yet run: the studio runs it before the lot opens.
Where Ronja stops
- Works only in Claude, on your own Claude account.
- Never makes a hiring, firing or pay decision. Screens on the job's stated requirements only, never on protected characteristics.
- Never invents facts, figures, quotes, sources or people.
- Says it is an AI whenever asked.
Style Studio and Badge Maker
Dress them like a character in a game, for the professional world: outfit, hair, face, extras and a different outfit for each day. Then put your company on their badge and lanyard. Looks only; the work never changes.
Turn on JavaScript to open the dress room.
AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.