Case Studies · Optimised Human Performance

Evidence from delivered work, not promises.

Eighteen engagements and studies, grouped by the kind of problem they solve: whole-of-organisation change, Defence capability programs, applied field research and published science. Every entry follows the same shape, the tasking, the action, the result, so the evidence speaks for itself.

Client and program detail is de-identified throughout, consistent with confidentiality obligations on engagements of this kind. Every outcome shown is real and drawn from delivered work.

The full picture, then the detail.

These two engagements sit above the rest: a whole-of-organisation program and a capability-wide design effort. Each is broken into the short case studies below, drawn from the same body of work.

Large frontline workforces operating across multiple sites and roles

Building a Human Performance Program Across an Entire Organisation

TaskingA large operational organisation needed one human performance program that worked across every role, career personnel, volunteers and non-operational teams, while lifting safety, diversity and career longevity.

ActionWe built the program on evidence gathered from allied high-reliability organisations internationally, rebuilt fitness facilities at every site to a common standard, trained an internal peer-led coaching workforce, and redesigned entry pathways to prepare candidates for the job rather than simply filter them out.

ResultEvery site now operates to the same standard, delivery is owned internally rather than outsourced, and pre-recruitment support lifted success rates among under-represented candidates, an early signal in a program whose full return compounds over a career.

See the 5 related case studies →

Capability acquisition, engineering and major asset design programs

Designing Human Performance Into Capability From Day One

TaskingA capability organisation was losing people to preventable physical and mental injury, and needed human factors designed into new systems before they reached service, when it is cheapest and easiest to fix.

ActionWe piloted a human-centred design program early in the capability lifecycle, then scaled it as lead provider across ten concurrent projects, spanning crewed and autonomous systems and control-room environments, addressing ergonomics, fatigue, cognitive load and psychosocial hazard.

ResultA single pilot became a standing, organisation-wide program. Design decisions are now consistently informed by real-world usability and safety, targeting the preventable injuries that had been forcing personnel out of service before their time.

See the 4 related case studies →

Building an Organisation-Wide Program

One whole-of-agency human performance program, broken into the five initiatives that made it work.

Multi-site frontline organisations operating to a common standard

Standardising Frontline Facilities Across a Multi-Site Organisation

TaskingA large operational organisation needed fit-for-purpose facilities at every site, within a constrained budget and footprint, rather than a patchwork of ad hoc local arrangements.

ActionWe designed a standardised, fit-for-purpose facility model and rolled it out across every site the organisation operates.

ResultEvery site now operates fit-for-purpose facilities to a common standard, giving the organisation a consistent baseline it did not have before and a platform the rest of the program could build on.

Organisations that want delivery owned internally, not outsourced

Building an Internally-Owned Coaching Workforce

TaskingThe organisation needed consistent program delivery across every service and role without depending on an external provider for the life of the program.

ActionWe identified a peer-trainer cohort from within the organisation, delivered an accredited skills program, and implemented a standardised, peer-led training approach across every service.

ResultAn accredited peer-trainer cohort now delivers consistent programming across the organisation, owned internally rather than dependent on an external provider, a delivery model built to outlast any single contract.

Physically demanding recruitment and entry pathways

Redesigning Entry Pathways to Prepare Candidates, Not Just Filter Them

TaskingEntry testing was acting purely as a filter, screening candidates out rather than helping them meet the physical demands of the role.

ActionWe revised physical entry testing, supported a national fit-for-duty program, and developed pre-recruitment training and come-and-try sessions that prepared applicants for the demands of recruitment and operational service.

ResultEntry pathways now prepare candidates for the demands of service rather than acting solely as a filter, lifting the number of candidates who make it through prepared and capable.

Diversity and participation in physically demanding roles

Turning Pre-Recruitment Support Into a Measurable Diversity Gain

TaskingThe organisation wanted to grow participation from under-represented groups in physically demanding frontline roles, with a particular focus on women, but needed the approach to show a measurable result, not just intent.

ActionWe built pre-recruitment training specifically to prepare under-represented candidates for the physical demands of recruitment, and monitored its effect on outcomes as it was delivered.

ResultFemale participation in recruitment increased, driven by higher success rates from the pre-recruitment training, an early, measurable indicator in a program whose full return builds over a career.

Industry bodies and multi-organisation standard-setting

Turning One Organisation's Evidence Into Sector-Wide Doctrine

TaskingThe organisation's own evidence and experience on fitness for duty and safe work in extreme environments had value beyond its own walls, but no path existed to share it at an industry level.

ActionWe presented at sector conferences and contributed the organisation's evidence and experience to national doctrine development on fitness for duty and safe work in extreme environments.

ResultThe organisation's experience is now embedded in national doctrine, extending its impact from one organisation's workforce to the standards an entire sector works to.

Defence and National Capability Programs

Human factors work across a major capability portfolio, from deployable systems through to control rooms and autonomous platforms. Program detail is de-identified throughout.

Deployable capability and remote or isolated operations

Embedding Human Factors Into a Major Deployable Systems Program

TaskingA major capability program needed human factors addressed early, before deployable systems entered service, with physical, cognitive and psychosocial risk treated as one picture rather than separate problems.

ActionWe assessed the hazards specific to deployable, high-cognitive-load work in extreme environments, remote and isolated team structures, fatigue and exposure to traumatic events, then ensured these carried proper weight in test and evaluation, standards and contract management so agreed controls were verified rather than assumed.

ResultPhysical, cognitive and psychosocial hazards were identified and designed against before the system reached service, when intervention is cheapest and most effective, rather than being discovered after deployment.

Crewed aircraft and airborne platform upgrades

Resolving an Ergonomics Issue on a Major Airborne Platform

TaskingInjury data on a major airborne platform pointed to poor ergonomics in the aircraft, and the program needed the issue understood and designed out through an in-service upgrade.

ActionWe worked with the platform's project team and allied partner air forces to drive ergonomic risk out of the updated design, then carried the resulting human-machine interface lessons across into a related capability program's own interface uplift.

ResultErgonomic risk was reduced in the updated platform, and the lessons transferred to another program rather than staying trapped in one project, extending the value of a single fix across more than one system.

Command and control environments, complex sensor and surveillance systems

Optimising Control Rooms and Human-Machine Interfaces for Complex Systems

TaskingA major surveillance and control system needed its control-room layout and communication pathways reviewed to strengthen command and control, alongside a human-machine interface uplift.

ActionWe optimised control-room layout and communication pathways for the system, and applied human-machine interface lessons drawn from related capability work to its interface uplift.

ResultControl rooms and interfaces were redesigned around how operators actually work, strengthening command and control rather than layering new technology onto an unreviewed environment.

Uncrewed and autonomous systems, high-tempo command environments

Managing Cognitive Load in Next-Generation Autonomous Systems

TaskingA next-generation uncrewed systems program needed to understand the hazards created by the scale of cognitive load its operators would carry, before those hazards surfaced as lost situational awareness or fatigue in service.

ActionWe ran task analysis built on structured operator consultation to identify where cognitive load created risk, then used those insights to shape human-machine interface design and inform training and workforce management decisions.

ResultThe right information now reaches the operator at the right time by design, and training and workforce settings are informed by evidence of where cognitive load actually bites, rather than assumption.

Applied Field Research in Extreme Environments

Objective, evidence-based measurement of strain, risk and recovery under real operating conditions.

Operations conducted in extreme heat

Finding the Hidden Risks in Extreme Work

TaskingA frontline operational organisation knew its people worked in extreme heat but had no objective evidence of the physiological strain involved, and could not set defensible safe-working limits without it.

ActionWe reproduced a realistic operational task in a heat chamber at 105°C, in smoke and darkness, and measured core temperature, heart rate, grip strength and perceived effort against the recognised 38.5°C safe-working limit.

ResultPersonnel exceeded the safe limit during routine tasks, with a group average of 38.9°C and grip strength down close to 13%. The evidence gave leaders a defensible basis to reset safe-working limits and target resources where they mattered most.

Physically demanding frontline and field roles

Working Out Who Is Most at Risk

TaskingAn operational organisation needed to know whether risk in the heat was spread evenly across its workforce or concentrated in identifiable individuals who could be supported in advance.

ActionWe profiled 45 personnel, measuring body composition and aerobic fitness, then compared how their bodies responded to demanding work in the heat.

ResultPersonnel with higher body fat and lower muscle mass showed a stronger strain response and recovered more slowly. The organisation gained an evidence base to target conditioning and support at higher-risk individuals rather than applying the same measures to everyone, a more precise and cost-effective use of a limited budget.

Career-length physical readiness and fitness for duty

Building the Case for Ongoing Workforce Checks

TaskingAn operational organisation tested fitness once, on entry, but never again, even though the physical demands of the role never eased across a career.

ActionWe profiled 73 serving personnel, measuring aerobic fitness, strength, operational power and body composition, and tracked how each changed with age.

ResultFitness and strength declined steadily with age while body fat rose, a risk building unseen because nothing measured it. The evidence gave the organisation a defensible case for ongoing monitoring and fair, age-aware standards, sustaining capability and supporting longer careers.

Field recovery and post-exertion protocols

Proving What Works and Building It Into Policy

TaskingAn operational organisation relied on personnel resting in the shade after demanding work in the heat, and needed to know whether a better option existed and would hold up in the field.

ActionWe tested two simple alternatives, brief cold-water immersion and an iced-slush drink, against passive rest for effectiveness and field practicality.

ResultBoth alternatives returned personnel to a safe core temperature within 15 minutes, cooling roughly 60% faster than passive rest. The organisation embedded a proven, ranked set of recovery options into standard procedure, turning a research finding into everyday practice.

Multi-day, high-tempo or rotating operations

Understanding Strain That Does Not Clear With Rest

TaskingAn operational organisation assumed a short rest returned personnel to a safe baseline before redeployment, a working assumption that had never been tested.

ActionWe monitored 42 personnel for 24 hours after demanding work in the heat, tracking physiological recovery from immediately after work through to a day later.

ResultMeasurable effects were still present a full day later, well past the point crews would ordinarily be redeployed. The evidence gave leaders a defensible basis to rethink how soon personnel return to duty and how extended operations are scheduled.

Published Research

Peer-reviewed work that shapes how high-consequence organisations understand physical and mental health risk.

Diversity and inclusion in physically demanding roles

Worker Consultation at Scale: Surveying Women in Frontline Roles

TaskingWomen are a growing share of frontline operational workforces, yet no international evidence captured their own account of the hazards they face, particularly around heat exposure and career longevity.

ActionDr Walker co-designed the survey instrument and led the regional arm of an international research team. Over four months, 840 operationally active women from 14 countries completed it, covering heat illness, injury, mental health and equipment fit.

ResultThe survey produced one of the first international evidence bases of its kind: 36% had suffered a heat-related illness at work, and only 30% had ever received structured strength and conditioning support. Published in a peer-reviewed journal, the findings now inform equipment design and support programs internationally.

Mental health and psychosocial risk in high-consequence roles

Identifying the Physiological Drivers of PTSD and Depression in High-Risk Roles

TaskingFirst responders and military personnel develop PTSD and depression at far higher rates than the general population, and prevention efforts had focused almost entirely on psychological resilience rather than the physical working environment.

ActionDr Walker led a review synthesising evidence across immunology, endocrinology and occupational physiology, tracing how routine occupational exposures, heat, sleep restriction, physical exhaustion, drive chronic inflammation that primes the body for poorer mental health outcomes.

ResultThe published, peer-reviewed model reframed mental ill-health in these roles as partly physiological, not purely psychological, and named the measurable markers, inflammation, HPA function, fitness, that a monitoring program can track. It has been widely cited and now informs how high-risk organisations approach screening and prevention.