
Decision Performance Under Pressure
For high-stakes environments, where the consequences are real and judgement cannot afford to fail.Dr John Coumbaros
Forensic Judgement, AI-Mediated Risk & High-Stakes Decision Architecture
PhD, MBA | Forensics, Defence, National Security, CBRNE
30 minutes. Focused on your context. No charge. No obligation.
The Problem
Even highly capable professionals misjudge situations when conditions deteriorate. Not because they lack intelligence or effort — but because the conditions required for reliable judgement are no longer being sustained.Signals are missed.
Assumptions replace verification.
Action accelerates ahead of understanding.
Confidence and consequence escalate beyond what the available evidence can justify.This is not a capability problem. It is a performance conditions problem. And it has a different solution.

The Framework
The Decision Performance Under Pressure Framework
Decision Performance Under Pressure (DPUP) is a performance framework for understanding how judgement behaves when uncertainty, pressure, and consequence converge — and for restoring it when it begins to degrade.The System Performance Layer identifies three conditions required for reliable judgement at the system level: Coherence, Stabilisation, and Scaling.The Human Performance Layer identifies five observable disciplines through which practitioners sustain reliable judgement within those conditions: Perceptual Clarity, Assumption Testing, Disciplined Action, Behavioural Reliability, and Consequence Awareness.Recalibration is the longitudinal mechanism through which the outcomes of decisions reshape future judgement — explaining how practitioners and organisations either learn, or fail to learn, from experience under pressure.
The Paper
The Framework in Scholarship
Decision Performance Under Pressure: A Systems-Level Framework for Forensic JudgementPublished on SSRN ForensicSciRN — freely available.
Services
Ways to Engage
Decision Performance Diagnostic
A structured examination of how decision performance is functioning under pressure — identifying where degradation is occurring, why, and what conditions must be restored. The recommended starting point for most engagements.
Particularly relevant to forensic and investigative organisations, law enforcement and national security agencies, defence contexts, and the consulting firms and training organisations that serve these environments.Executive Decision Session
A focused engagement within a live decision context. For individuals carrying personal responsibility for a high-consequence decision where timing, clarity, and judgement are critical.Team Decision Performance Session
Applied half-day and full-day sessions for teams and organisations where distributed judgement is under strain. Restores shared situational understanding, reduces interpretive drift, and strengthens escalation discipline under pressure.Speaking and Thought Leadership
Keynote, panel, executive briefing, workshop, and government agency engagement. Drawing on 25 years of operational experience across forensic investigation, counter-terrorism, national security, and defence — and on the Judgement Architecture and DPUP Framework.
About

Dr John Coumbaros
Twenty-five years across forensic science, counter-terrorism, CBRNE, national security, and defence — including operational and leadership roles with the Department of Defence and the Australian Federal Police — produced one consistent observation: when pressure intensifies, the limiting factor is not capability. It is judgement.That observation, confirmed across hundreds of high-consequence decisions, is the foundation of this work.I hold a PhD in Applied Science (Chemistry), undergraduate degrees across analytical, organic, inorganic, and physical chemistry, and an MBA. I am currently Academic Chair of Forensic Science at Murdoch University.The foundational scholarly paper — Decision Performance Under Pressure: A Systems-Level Framework for Forensic Judgement — was published on SSRN ForensicSciRN in 2026.
Contact
Start with a Conversation
A Discovery Call is 30 minutes. It is focused on your context — not a sales presentation. By the end of it, you will have a clearer sense of where decision performance may be at risk and whether this work is the right fit.No charge. No obligation.
© Dr John Coumbaros. All rights reserved.