Nelson Viegas, Superior Training TechnologyNelson Viegas, Superior Training Technology
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Analyses

Syntheses of the most solid research on sales and markets. Every number has a public, numbered source, and the popular figures that fail the trail are shown separately. Open to read, no registration.

Analysis No. 1 · October 2026 · 27 sources

Why salespeople don’t sell

Salespeople who don’t sell rarely fail on their own.

  • 69%of salespeople below quota
  • 67%of buyers prefer to buy without a salesperson
  • 40–60%of deals lost to indecision
  • 28–40%of time spent selling
Read the analysis →

Illustrative example

NAPA diagnosis — a commercial-leadership role

Based on a real report. Shows the reading by domain for the role, not the diagnosis’ full numeric values.

Revenue Strategy & PredictabilityStrong
KPIs & Revenue PerformanceConsolidating
Customer JourneyTo assess
Sales LeadershipTo develop
Leadership & TeamTo develop
Stakeholder OrchestrationTo develop
Negotiation & PartnershipsTo develop

The same domains, as a radar chart

Current levelRole requirement
RevenueStrategyKPIs &PerformanceCustomerJourneySalesLeadershipLeadership &TeamOrchestrationNegotiation
Diagnosis by domain, current level and role requirement
DomainCurrent levelRole requirement
Revenue Strategy & Predictability8885
KPIs & Revenue Performance6480
Customer Journey5070
Sales Leadership3685
Leadership & Team3875
Stakeholder Orchestration3480
Negotiation & Partnerships3378