MC
Cook
Operating Partners
The Tribal Knowledge Tax Calculator

What does running on tribal knowledge actually cost you?

Most teams run on "ask Susan." When Susan is busy, juniors stall. When Susan leaves, you bleed. This tool prices that cost in real dollars per year — across senior interruption, junior ramp, and attrition risk.

Built by an operator who has scaled 2→10 hospitals, standardized a 300,000 sq ft multi-site platform, and institutionalized a $300M service portfolio.

Step 1 · Tell us about your team

Your operating profile

Conservative and Aggressive apply ±20% to the base calculation.

Senior team

The people juniors interrupt for answers.

Junior team

The people you're paying full comp for during ramp.

Attrition risk

What every senior departure actually costs you.

12%
How we calculate
· Senior interruption = Senior count × Hourly rate × Hours/week × 50
· Junior ramp = Junior count × (Months × 0.5) × Monthly comp
· Attrition risk = Senior count × Attrition rate × Multiplier × Annual comp
Step 2 · Your score

The tax, priced

Annual Tribal Knowledge Tax
$721,800/year
The biggest leak is attrition risk at $280,800/yr — fix that first.
Roughly $144,360 per senior team member per year.
Senior Interruption Tax
$225K
31% of total · per year
Your senior team spends roughly 6 hrs/week answering the same questions instead of doing the work only they can do.
Junior Ramp Tax
$216K
30% of total · per year
Each junior takes 6 months to hit full productivity. You're paying full comp for half output during ramp.
Attrition Risk
$281K
39% of total · per year
At 12% attrition, you replace seniors at 1.5× annual comp — recruiting, lost knowledge, and re-ramp.
Where to start

Five highest-leverage moves

01

Codify the top 20 questions

Have each senior log every interruption for 2 weeks. Turn the top 20 recurring questions into a searchable internal SOP wiki. One owner, one update cadence.

Cuts senior interruption tax 30–50% inside 60 days.

02

30/60/90 onboarding playbook with skills checklist

Replace shadow-and-pray with a week-by-week structured ramp: shadowing matrix, deliverables checklist, and a graded competency review at 30/60/90.

Shrinks months-to-productive 25–40%; recovers ~$1 of every $3 currently spent on ramp drag.

03

Document the workflows only the seniors know

Pick the top 5 service or operating workflows. Walk-through video + 1-page visual SOP for each. Train every junior to the same bar; QA against the SOP.

Removes 15–25% of recurring senior interruptions and tightens variance across sites.

04

Build a backup for every single-point-of-failure role

List every role where one person holds the keys. For each, name a #2 and give them 90 days of cross-training with measurable handoff milestones.

Drops attrition-driven business risk by 40–60% — the next departure stops being an emergency.

05

Weekly QA scorecard + coaching cadence

One page, five metrics that matter, reviewed weekly with each site lead. Coach to the gap. Variance gets named and corrected before it becomes revenue loss.

Tightens performance variance 10–20% and surfaces the next standardization target on its own.

Get the full report

Want this in PDF, with the full operator read?

We'll email you a 6-page report with your inputs, breakdown, the five moves above with expected reduction ranges, and a CTA to pressure-test it together.