The hire beside you

Ask a principal to name their most consequential hire and they will usually name a rainmaker: the salesperson who landed the anchor client, the partner who opened a market. Ask who could do the most damage in a single quiet week, and the honest answer sits at the desk outside their office.

Access is the job

An executive assistant holds the calendar, the inbox, the travel, the family logistics and, within a month, most of the passwords that matter. No other role combines that level of access with so little structured scrutiny at the point of hiring. The interview tests polish; the job tests judgement under access, which polish predicts poorly.

Write the access down and the asymmetry becomes uncomfortable. A typical assistant, six weeks in, can read and send email in the principal's name, move money-adjacent paperwork, see medical appointments, know which board member the principal avoids, and book the flights that reveal where the family sleeps. A salesperson with a quarter of that access would have been vetted twice as hard. The assistant was often hired in two conversations.

The audit asymmetry

Sales teams are audited by their own numbers every quarter: quota, pipeline, conversion. The assistant produces no number, so the audit never happens. Performance is judged on atmosphere, on whether the week felt smooth, which means problems surface late and always at the worst time. The U.S. Department of Labor's estimate that a bad hire costs at least 30 percent of first-year earnings understates this seat badly, because the currency at risk is not salary. It is the principal's time, reputation and privacy.

What actually fails

When an assistant placement fails, it is rarely a failure of competence. The typing was fine. What fails is fit: a pace mismatch between a principal who decides in minutes and an assistant who confirms twice before acting, or two people high in assertiveness discovering that the diary has become contested territory. These are working-style collisions, and they are measurable before the first day, not after the first crisis.

The pattern repeats with such regularity that we treat it as a rule: competence decides whether someone can do the work; fit decides whether they can do it beside you. Interviews are built to measure the first and structurally blind to the second, which is why so many failed placements were unanimous hires.

Profile the seat before the candidate

Fit is not a property of a candidate; it is a relationship between two working styles measured on the same instrument. That is why we profile the executive first. The Halloway Profile captures the principal's own working style and what the seat demands, expressed as a scored range we call the fit band. Only then is a candidate assessed: the Kane Profile is scored on the same four Operating Modes and read against that band, not against a generic ideal.

The practical consequence is that the same candidate can be a strong match for one principal and a poor match for another, and the system says so openly. That is not a weakness of the method. It is the entire point of it, and it is what a CV-led process can never tell you. You can see how the two profiles are produced on our how it works page, or start with the HK Index itself.

Measure the pairing, not the person

A strong profile in isolation tells you a candidate is employable. It does not tell you they are employable beside you. One instrument, two profiles, one score: the Kane Profile read against the Halloway Profile's fit band, weighted for what the assistant relationship actually carries: composure under the principal's pressure, order where the principal has none, candour that survives proximity to power.

If you already have an assistant

Principals sometimes read this and glance, slightly guiltily, at the desk outside their office. The method works there too. Profiling an existing pairing shows where the friction actually lives, which is frequently not where either party believes it lives, and whether it is structural or fixable. Where it is fixable, targeted integration work is dramatically cheaper than a re-hire. Where it is not, better to know in a report than in a crisis.

The principals who get this hire right treat it with the seriousness of a key commercial appointment: they define the seat, measure the pairing through a structured screening process, and let evidence lead. The ones who get it wrong usually delegated the decision to a first impression.