The Problem Is Not the CEO. The Problem Is the Load Environment Every CEO Now Operates In.

Field_Threshold_Not_CEO_Problem_Gaconnet_2026.pdf

Download PDF • 147KB

When Top-Performing Executives Fail at the Same Rate as Underperformers, the Variable That Changed Is Not the Person. It Is the Field.

Don L. Gaconnet, CSE III

Founder & Principal Investigator, LifePillar Institute for Structural Identity Sciences

ORCID: 0009-0001-6174-8384 · SSRN Author ID: 7657314

June 2026

The private equity industry is approaching the year-two CEO failure problem as a selection problem. Better assessment. Better personality matching. Better behavioral prediction. Better AI-enhanced simulation. Find the right CEO and the failure rate drops.

The data published in 2025 and 2026 says something the selection thesis cannot explain.

CEO successions at S&P 500 firms in the top three performance quartiles jumped from 7% in 2024 to 12% in 2025 (The Conference Board / Egon Zehnder, November 2025). Among bottom-quartile performers, the rate was only modestly higher at 14%.

Top-performing CEOs are being replaced at nearly the same rate as underperforming CEOs.

If the problem were selection — if the year-two failure happened because the wrong CEO was chosen — then the top-performing CEOs would not be failing. They are the right CEOs. They have the skills, the track record, the behavioral competencies, and the results to prove it. They were assessed. They were confirmed. They performed. And they are being replaced at a rate that nearly matches the bottom quartile.

The selection thesis cannot account for this data. If the best CEOs are failing at the same rate as the weakest, the differentiating variable is not the CEO. The differentiating variable is what the CEO is being asked to carry.

What Changed Is Not the Person. It Is the Field.

The operating environment for a portfolio company CEO in 2026 is structurally different from the operating environment five years ago. Not incrementally different. Structurally different — in ways that compound rather than add.

$1 trillion in US dry powder sits under deployment pressure, with more than 40% available for two years or more. GPs are under LP pressure to deploy. Entry multiples reached a record 11.8x. The capital deployed per deal is higher than at any point in history. The margin for error is at zero. Every CEO retained or hired into a PE portfolio company carries the weight of capital deployed at record valuations with no room for the year-two failure the industry's own data says is the dominant outcome.

AI deployment is accelerating cognitive load across every function simultaneously. The CEO who five years ago managed a stable technology stack now manages AI integration across operations, finance, marketing, product, and customer service — each function generating new decision demands, new coordination requirements, new risk surfaces, and new performance expectations. HR Executive published in May 2026 that the challenge is no longer managing workload but managing cognitive capacity. The cognitive demands have crossed a threshold the previous generation of operating environments did not impose.

Post-acquisition operating cadences have intensified. Board reporting frequency and complexity have increased. The 100-day plan is compressed. The value creation timeline is accelerated. Operating partners are embedded earlier and more deeply. The CEO manages the business, the integration, the sponsor relationship, and the board simultaneously.

Regulatory surface area has expanded — ESG, cybersecurity, data privacy, AI governance, trade compliance. Each adds monitoring, reporting, and decision-making overhead that did not exist in the prior cycle.

Geopolitical uncertainty compounds scenario planning demands. Supply chain disruption requires contingency architectures. Tariff volatility requires real-time pricing adjustment. Each variable does not exist in isolation — each interacts with every other, and the CEO must hold the interactions simultaneously.

Remote and hybrid workforce management adds coordination overhead that is invisible in the org chart but real in the cognitive load. Managing distributed teams requires more communication, more alignment, more monitoring, and more relational maintenance than co-located leadership. The cognitive cost is continuous and does not appear on any dashboard.

The Compounding Principle

These forces do not add linearly. They compound.

The ACE study (Felitti et al., 1998), across 17,000 subjects, established that adverse conditions compound superadditively — each additional stressor produces more than one additional unit of impact. The person carrying four concurrent stressors does not experience four units of load. The person experiences a compounded load that exceeds the sum of its components.

Applied to the executive operating environment: the CEO carrying record-valuation capital pressure AND AI deployment demands AND accelerated operating cadence AND expanded regulatory surface AND geopolitical uncertainty AND distributed workforce coordination is not carrying six sources of load. The CEO is carrying a compounded load whose structural magnitude exceeds what any behavioral assessment calibrated to previous operating environments can predict.

The assessment that cleared the CEO was accurate — for the operating environment the assessment was calibrated to. The operating environment that the CEO is now operating in has crossed a threshold the assessment did not measure because the threshold did not exist when the assessment methodology was developed.

This is why top performers are failing. It is not that the top performers are weaker than previous top performers. It is that the field they are operating in has crossed the structural threshold where human cognitive architecture can sustain performance without compensatory resource allocation — the mechanism the Tampere University study identified (Pihlaja et al., 2023).

The compensation holds the performance. The compensation depletes the reserves. The reserves run out. The performance breaks. The break appears sudden. Year two.

Why Better Selection Cannot Fix a Field Problem

The industry's response to the year-two failure rate is better selection methodology. More structured interviews. More rigorous assessment. AI-enhanced evaluation. Immersive simulation. Better personality matching. Better reference verification.

Every one of these improvements operates on the same assumption: the problem is the CEO, and better identification of the right CEO will reduce the failure rate.

The 2025 data falsifies this assumption. If the problem were the CEO, the top performers would not be failing. They are. The variable that changed is the field, not the person.

Better selection applied to a field that has crossed the structural threshold produces better-selected CEOs who fail at approximately the same rate. The failure is not in the selection. The failure is in the mismatch between the load the environment imposes and the structural capacity of the human architecture to sustain it.

No behavioral assessment — regardless of sophistication — measures this mismatch. Behavioral assessment reads the CEO's capabilities, competencies, and behavioral tendencies. It does not read the structural cost of exercising those capabilities under the specific load the 2026 operating environment imposes. The CEO who demonstrates exceptional strategic thinking in the interview consumes cognitive resources doing so. The behavioral assessment records the strategic thinking. It does not record the cost.

The field problem requires a field-level response: not better selection of CEOs, but ongoing structural measurement of the CEO's capacity relative to the load the environment imposes across the hold period. Not a one-time assessment at the point of hire. A structural monitoring system that reads the trajectory — building, maintaining, or depleting — as the compounded environmental load evolves.

What Nobody in the Market Is Saying

The advisory firms publishing about CEO assessment — search firms, consulting firms, assessment vendors, AI-enhanced platforms — share a commercial model: they are paid to find, evaluate, and recommend CEOs. The business model depends on the assumption that the year-two failure is a selection problem. If the right CEO is found, the failure does not occur.

The 2025 data undermines this assumption. If the problem is the field, not the person, then replacing the CEO does not solve the problem. The next CEO enters the same field. The same compounded load imposes the same structural demand. The same compensatory mechanism activates. The same trajectory runs. The same year-two outcome occurs — with a new, better-selected CEO.

No firm in the assessment market has an incentive to name this. Naming it means acknowledging that their product — identifying the right CEO — does not address the structural condition producing the failure. The structural condition is the field. The field produces the failure regardless of who occupies the role — unless the person's structural capacity relative to the field's structural demand is independently measured and actively managed.

This is the structural truth beneath the entire assessment industry's year-two failure rate: the industry is optimizing selection for a problem that is not a selection problem. It is a structural capacity management problem. And structural capacity management requires a different instrument than selection assessment — an instrument that reads the person's structural state relative to the field's structural demand, and tracks the trajectory across the hold period, not just at the point of hire.

What the Field Problem Requires

The structural response to a field-level threshold crossing is not one-time assessment. It is ongoing structural measurement.

The civil engineering analogy is precise. When the load environment for a bridge changes — heavier vehicles, higher traffic volume, temperature cycling, seismic activity — the structural engineer does not respond by selecting a better bridge. The structural engineer instruments the bridge. Strain gauges. Load monitors. Vibration sensors. Continuous measurement of the structure's response to the load the environment imposes. The measurement detects degradation before failure. The maintenance addresses degradation before it becomes catastrophic.

The CEO is the bridge. The deal thesis is the load. The 2026 operating environment is the changed load condition. The structural assessment that reads the CEO's capacity relative to the deal thesis — deployed at hire, at six months, at twelve months, across the hold — is the instrumentation that detects degradation before the year-two failure.

Cognitive due diligence applied at the point of hire tells the board whether the CEO can carry the deal thesis under current field conditions. Cognitive due diligence applied at intervals across the hold tells the board whether the CEO's structural trajectory is building, maintaining, or depleting — and provides the data to intervene before the compensatory reserves are exhausted.

This is not a replacement for selection assessment. It is the structural monitoring layer that selection assessment does not contain — the layer that becomes necessary when the field itself has crossed the threshold where selection quality alone cannot predict sustainability.

The data says the field has crossed. Top performers are failing at near-parity with underperformers. The variable is the environment. The response the environment requires is independent structural measurement of the person operating within it — not once, but continuously.

The Question the Board Has Not Yet Asked

The board that has replaced three CEOs in seven years has asked: "How do we find a better CEO?"

The board has not yet asked: "Has the operating environment we are placing every CEO into crossed the threshold where any CEO will fail without structural capacity monitoring?"

The data says yes. The top-quartile replacement rate says yes. The compounding of capital pressure, AI deployment, regulatory expansion, geopolitical uncertainty, and distributed workforce management says yes. The neuroscience confirming compensatory resource allocation under cognitive load says yes.

The board that asks this question — and instruments the answer — stops replacing CEOs and starts sustaining them. Not through coaching (coaching enters through the self-report). Not through wellness programs (wellness programs read the surface). Through independent structural measurement of the person's capacity relative to the field's demand, tracked across the hold period, with findings that enter the governance file and inform intervention before the year-two spike arrives.

The problem is not the CEO. The problem is the field every CEO now operates in. The field has changed. The assessment methodology has not. The boards that update their measurement to match the structural reality of the field will stop experiencing the year-two failure as an inevitability and start experiencing it as a detectable, addressable, preventable structural condition.

The ones that continue optimizing selection for a field problem will continue replacing CEOs.

References

AlixPartners. (2026). 11th Annual PE Leadership Survey. March 2026.

The Conference Board / Egon Zehnder / ESGAUGE / Semler Brossy. (2025). CEO Succession 2025. November 2025.

Felitti, V. J., et al. (1998). The ACE Study. American Journal of Preventive Medicine, 14(4), 245–258.

Gaconnet, D. L. (2026). The Recursive Reliability Effect. LifePillar Institute. SSRN 7657314. DOI: 10.17605/OSF.IO/MVYZT.

HR Executive. (2026). The cognitive crunch: Why AI is accelerating burnout. May 2026.

McKinsey & Company. (2026). Global Private Equity Report 2026. February 2026.

Pihlaja, M., et al. (2023). Altered neural processes underlying executive function in occupational burnout. Frontiers in Human Neuroscience, 17, 1194714.

Russell Reynolds Associates. (2026). Global CEO Turnover Index 2025. February 2026.

Sweller, J. (1988). Cognitive load during problem solving. Cognitive Science, 12(2), 257–285.

Woozle Research. (2026). Entry multiples data. April 2026.

Don L. Gaconnet, CSE III

Cognitive Systems Engineer III

Founder & Principal Investigator, LifePillar Institute for Structural Identity Sciences

ORCID: 0009-0001-6174-8384 · SSRN: 7657314

Institute: lifepillarinstitute.org/research · Practice: dongaconnet.com/writings

Lake Geneva, Wisconsin · don@lifepillar.org

Copyright © Don L. Gaconnet, June 2026. All rights reserved. The assessment instrument, its operational architecture, scoring methodology, and all associated protocols are proprietary trade secrets of Don L. Gaconnet and the LifePillar Institute for Structural Identity Sciences.