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Evidence-Based Leadership

The evidence behind LEAD21.

Why systematic leadership works measurably — in scale, in euros, on your own team.

Three perspectives on the same insight: the sheer scale of the leadership task, its economic value according to external studies, and a free way to check where your team stands in 10 minutes.

The invisible gap

Up to 50 billion leadership touchpoints. Every working day.

Up to 12.5 trillion per year. The largest human coordination task in the world — to this day largely unsystematized.

500 million leaders worldwide. Every moment decides: clarity or confusion. Acceleration or delay.

Normal pressure · per leader · per day
25–50

Leadership moments on an ordinary working day — each one a fork in the road.

Hyper growth · transformation · crisis · post merger integration
50–100

In exceptional phases the density doubles — exactly when every moment counts most.

Per leader · per year
6,250–25,000

Extrapolated across the year. Most companies invest millions in strategy, processes and technology — yet these moments remain largely unsystematized.

What is left to chance cannot be scaled. What is systematized multiplies.

Leadership was the only corporate function without an operating system. Until now: Leadership has LEAD21.

ROI analysis

What LEAD21 is really worth.

Scale the logic to your company — the calculation structure stays identical.

What external studies would suggest for a company with €20M revenue · 100 employees 1

Study basis: Gallup State of the Global Workplace 2023 · McKinsey 2023 · Towers Watson Global Workforce Study · Deloitte · SHRM · Planview · Columbia/Harvard/Wharton. Basis: 100 employees · Ø €80,000 salary · 60% of value creation generated by people.

Metric+1%per improvement+10%per improvementParticipant
survey
Revenue effectExternal source
Clarity+€ 96,000+€ 960,000+80%+€ 7.68MColumbia / Harvard / Wharton: +3.8% ROA · Gallup 2024
Efficiency+€ 84,000+€ 840,000+70%+€ 6.72MMcKinsey 2023: +25% productivity through effective leadership
Collaboration+€ 86,000+€ 860,000+72%+€ 6.91MDeloitte: silos cost 20–30% revenue · SHRM: −37% productivity
Performance+€ 104,000+€ 1,040,000+87%+€ 8.35MGallup 2023: +23% profitability · Towers Watson: 3.5×
Stress reduction+€ 10,000+€ 92,000−58%+€ 0.93MGallup: disengaged employees cost 34% of annual salary · SHRM
Total (gross)+€ 380,000+€ 3,792,000+€ 30.6M 2Not additive
Adjusted+€ 260,000+€ 2,600,000€ 10–16MAfter ~30% deduction · compounding
Performance Compounding

Clarity accelerates efficiency. Efficiency enables better collaboration. Better collaboration raises performance. Performance reduces stress. The metrics are not additive — they are multiplicative.

Exponential effect

Where coordination already happens at the highest level — billion-euro projects, tight deadlines, complex transformations — 1% more can trigger an exponential swing.

The improvement gets smaller. Your leverage becomes enormous.

¹ These are not promises or guarantees. The ROI calculations shown are based exclusively on independent external studies and do not constitute a guarantee of economic results. ² According to external studies · not additive.

LEAD21 Transformation & Performance Climate

Check it on your own team.

In just 10 minutes understand where your team stands — and how to lead it to peak form. Simple. Scientific. Effective.

Our free online check gives you clear answers: where does your team shine, where does potential stay untapped? Answer a few short questions and receive a clear, personalized evaluation straight to your inbox — precise, accessible, immediately actionable.

1. BASELINE — know the status quo: map the current climate together with the team. 2. INTERVENTION — improve deliberately: tools like the 9 Chambers raise the efficiency of collaboration in meetings. 3. OUTCOME MEASURE — prove progress: secure lasting success.

Start the free check now!Discover the full potential of your team.
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♪ Vivaldi — Der Winter · John Harrison (CC BY-SA)