Executive summary
Private equity runs on a small number of people whose judgement carries the value of an entire position, and it runs them at hours that occupational epidemiology treats as a measurable health exposure. The World Health Organization and International Labour Organization attribute 745,194 deaths a year to working 55 hours or more per week.1 Self-reported finance hours sit roughly twenty above that line.3 This paper sets out what is established, what is inferred, and what has never been studied at all.
Compressed hold periods, concentrated accountability, and an hours culture treated as a credential rather than as an exposure.
Employer-provided assistance programs assume a workforce that will self-refer through an employer channel, which is precisely what a portfolio leader will not do.
Confidential clinical care sourced outside the employment relationship and matched to the person rather than to whoever is available on a panel.
Leadership continuity becomes something a sponsor can influence rather than something discovered at the point of an unplanned exit.
The problemThe hours are the exposure nobody underwrites§
The exposure at the center of this paper is not stress in the colloquial sense. It is working hours, and it carries one of the better-evidenced dose-response relationships in occupational health. The WHO and ILO joint estimates attribute 745,194 deaths and 23.3 million disability-adjusted life years from ischaemic heart disease and stroke to long working hours in 2016, with 488 million people, 8.9 percent of the global population, exposed at 55 hours or more per week.1 Measured against a 35 to 40 hour reference week, working 55 or more hours is associated with an estimated 35 percent higher risk of stroke and a 17 percent higher risk of dying from ischaemic heart disease.2 These are population estimates rather than individual predictions, and the threshold is the part that matters here: it sits well below what this industry treats as an ordinary week.
How far below is measurable, with an important caveat about who was measured. In an industry survey of 531 self-selected banking professionals conducted between October 2024 and January 2025, respondents reported average weeks of 74.00 hours as first-year analysts, 72.72 as second-year analysts and 74.47 as associates, sleeping between 5.95 and 6.28 hours a night. Fifty-nine percent said they had considered seeking counselling or therapy because of work stress, and mean self-rated mental health fell from 8.0 before starting the job to 6.2 at the time of the survey.3 That survey covers junior banking rather than deal partners or portfolio chief executives, and its publisher states that respondents' professional status was not verified. It is the best available exposure figure for this sector and it should be read as indicative rather than definitive.
The industry treats a 70-hour week as a credential. Occupational epidemiology treats 55 as an exposure. WHO and ILO joint estimates, 2021
The evidenceWhat the research shows§
No study measures private equity professionals directly, so the evidence here is assembled from three established occupational exposures, long working hours, job strain and isolation, plus the best available measure of how many hours this sector actually works. Each is stated with its design and its sample, because the strength of the argument depends on reading them for what they are.
745,194
deaths from ischaemic heart disease and stroke attributed to working 55 or more hours a week in 20161
WHO and ILO, 2021
35%
higher estimated stroke risk at 55 or more hours a week, against a 35 to 40 hour week2
WHO and ILO, 2021
74 hrs
self-reported average week for first-year analysts and associates, industry survey3
Wall Street Oasis, 2025
59%
of surveyed banking professionals had considered counselling or therapy because of work stress3
Wall Street Oasis, 2025
Read together, the figures establish an exposure rather than an outcome. The hours this sector reports sit about twenty above the line at which the cardiovascular burden is estimated, and the self-ratings fall in the direction that exposure would predict, a pattern the wider literature on burnout in investment banking describes in practice. The mental health evidence on hours is narrower and should be stated as narrowly as its authors state it: in the Whitehall II cohort of 2,960 full-time British civil servants, working more than 55 hours a week predicted new depressive and anxiety symptoms, and the authors confine that conclusion to women.6 What none of these sources measures is a private equity partner or a portfolio chief executive, and the table below is explicit about where each one stops.
03, 02 Wall Street Oasis, 2024 Investment Banking Working Conditions Survey, 2025 (industry survey, n=531, respondent status unverified)
WHO and ILO joint estimates, 2021
| Exposure | Measured association | Population and design | Limit for this paper |
|---|---|---|---|
| Long working hours, burden | 745,194 deaths and 23.3 million DALYs from ischaemic heart disease and stroke attributed, 20161 | Modelled burden, 194 countries; 488 million people exposed | Not measured in finance or private equity |
| Long working hours, stroke | 35 percent higher estimated risk versus a 35 to 40 hour week2 | WHO and ILO systematic reviews and joint estimates | A population estimate, not an individual prediction |
| Long working hours, heart disease | 17 percent higher estimated risk of dying from ischaemic heart disease2 | WHO and ILO systematic reviews and joint estimates | A population estimate, not an individual prediction |
| Job strain | Hazard ratio 1.23 for incident coronary heart disease; attributable risk 3.4 percent4 | 197,473 participants, 13 European cohorts, mean follow-up 7.5 years | No finance-specific cohort |
| Long hours and mental health | New depressive and anxiety symptoms above 55 hours a week; hazard ratios 2.67 and 2.84 in women6 | 2,960 full-time British civil servants, 5-year follow-up | Excess risk shown in women, not in men |
| Isolation and loneliness | 29 and 26 percent higher likelihood of mortality5 | 70 prospective studies, 3,407,134 participants | General population, not senior leaders |
| Finance hours and sleep | 72.7 to 74.5 hour weeks; 5.95 to 6.28 hours of sleep a night3 | Industry survey, n=531, self-selected, status unverified | Junior banking, not partners or portfolio chief executives |
03 Wall Street Oasis, 2024 Investment Banking Working Conditions Survey, 2025 (industry survey, n=531, respondent status unverified)
The frameworkA model you can name and own§
A sponsor cannot manage an exposure it has no vocabulary for. The framework below is deliberately plain: four positions on a single ledger, each with an observable marker and each with a different intervention. Its purpose is not clinical diagnosis, which is a clinician's job with the person in front of them. Its purpose is to give an investment committee a shared way to describe what it is seeing in a portfolio leader before the only available description is a resignation letter.
CEREVITY model
The Exposure Ledger
A four-position description of how leadership strain develops in people whose competence conceals it: the better someone performs under load, the later the decline becomes visible to anyone including themselves. Each position names a pattern a clinician, a partner, a board member or the person themselves can recognize without a diagnosis.
Carrying
Output holds steady while the effort behind it quietly doubles. Recovery time shrinks first, before anything visible breaks, and the hours are still being worn as a credential.
Compensating
Sleep compresses and the weekend stops resetting anything. The person becomes skilled at appearing fine, which delays both their own recognition and everyone else's.
Contracting
Scope narrows without being announced. Delegation stops, the calendar gets defended, and what looks like focus is a smaller surface held with the same energy.
Detaching
Engagement with the plan goes. Decisions are deferred, the exit is considered privately, and by this point the intervention is a transition rather than a conversation.
SCHEMATIC Schematic, not measured data.
CEREVITY clinical framework, illustrative only
Every stage on this ledger is easier to address than the one after it, and the earliest is the one nobody escalates because nothing has visibly gone wrong. That is the entire argument for building access before it is needed rather than sourcing it during a crisis, when the person concerned has the least capacity to arrange anything and the most reason to conceal that they need to.
By professionHow it presents across roles§
The exposure is common across the deal economy and its presentation is not. Three groups carry it differently, and the differences matter because each one fails in a different direction and each requires a different route into care.
Deal professionals and operating partners
The deal seat concentrates the hours exposure and disperses the accountability for it. Analysts and associates in the surveyed population report weeks around 74 hours;3 the partners above them are not working fewer, they are simply not surveyed. What distinguishes this group clinically is that the strain is fully normalized: it is the price of the seat, everyone around them is paying it, and no one in the reporting line is positioned to say otherwise. The presentation that reaches a clinician is rarely exhaustion. It is more often sleep that has stopped working, a shortening fuse at home noticed first by a partner, and a flatness about outcomes that used to matter. Recovery-day failure is the single most useful marker here, because it distinguishes acute load, which reverses after time off, from the chronic pattern that does not. A closed deal followed by a week that restores nothing is worth more attention than any number of late nights before it. The exposure also travels with the deal rather than the calendar year, so the useful questions concern the weeks after a close, not the average week. For a sponsor, the practical implication is that the person who looks most committed in diligence may be the one already furthest along the ledger. Where the exhaustion has hardened past that point, clinical treatment for executive burnout is the direct route.
Individual therapy for the buy side and sell side
Organizational a therapy partner for investment firms
Portfolio company chief executives
The portfolio chief executive carries a structural problem the other two groups do not: there is no one to talk to. The board is an evaluator. The management team reports to them. The sponsor holds the mandate. The peer group that would normally absorb the ordinary difficulty of the job has been replaced by a set of relationships in which candour has a cost. This is not a personality observation, it is an org-chart one, and it is why isolation belongs on the ledger as an exposure rather than as a mood. The measured stakes are real: social isolation and loneliness carry increased mortality likelihood of 29 and 26 percent respectively across 70 prospective studies covering more than three million participants.5 Clinically the presentation is usually a chief executive who has stopped saying anything uncertain out loud, in any room, for months. Because the sponsor is also the audience the chief executive most needs to reassure, the usual escalation routes run straight back to the evaluator. The ledger positions show up here as narrowing: fewer people consulted, decisions made earlier and alone, and a calendar that leaves no unscheduled time in which a difficulty could be raised. None of that is visible in an operating review, which measures the plan rather than the person carrying it. Treatment for isolation at the top addresses that pattern specifically for this seat.
Individual confidential therapy for chief executives
Organizational CEO transition support for boards
Finance executives in supporting functions
Finance executives in supporting functions, chief financial officers above all, sit in the least discussed position of the three. They carry the reporting burden of the value-creation plan without the authorship of it, which is close to a textbook description of job strain: high demand paired with low control. That combination carries a hazard ratio of 1.23 for incident coronary heart disease across 197,473 participants, with a population attributable risk of 3.4 percent.4 The clinical presentation tends toward anxiety rather than exhaustion, frequently with a specific and rational focus, and it intensifies around reporting cycles rather than distributing evenly across the quarter, which is the pattern described in work with finance leaders under reporting pressure. It is also the group most likely to describe the problem as a workload issue when the measurable feature is control rather than volume, and so the most likely to answer it with longer hours. Because the role sits between the sponsor's model and the operating reality, the strain often arrives as a conflict of loyalties rather than as fatigue: reporting accurately that the plan is slipping is the job, and it is also the message nobody wants to deliver. That tension is a legitimate clinical subject in its own right. Treatment for anxiety tied to consequence, not temperament starts from that distinction.
Individual clinical care for high-pressure professionals
Organizational the partnership model for corporate organizations
The stakesThe cost of inaction§
The costs below are stated in the terms a sponsor already measures. Two are well evidenced and one is deliberately left unquantified, because the figure usually cited for it does not survive checking.
Health outcomes with a measured dose relationship
This is the best-evidenced cost and the one least often counted. Long working hours at 55 or more per week carry an estimated 35 percent higher stroke risk and 17 percent higher risk of dying from ischaemic heart disease against a 35 to 40 hour week.2 Job strain carries a hazard ratio of 1.23 for incident coronary heart disease across 197,473 participants, with a population attributable risk of 3.4 percent.4 These are not deal risks in the conventional sense and they operate on the same people the deal depends on.
Leadership continuity through the hold period
An unplanned leadership transition, the portfolio chief executive turnover no sponsor plans for mid-hold, consumes the scarcest resource in a compressed hold: time. Search, onboarding and the re-establishment of a value-creation plan run across quarters rather than weeks, and they land during the period when the plan is supposed to be executing. This paper does not attach a figure to it, because the replacement-cost multiples in general circulation are drawn from broad workforce studies rather than from portfolio-company data, and applying them here would be borrowing a number rather than citing one.
Judgement, through sleep rather than through folklore
The tempting claim is that strain degrades decision quality, and the honest position is that the cognitive literature here is contested. A review of sleep deprivation and cognition notes much less agreement about effects on higher-level capacities, with executive-function findings described as inconsistent.7 What is not contested is the exposure itself: self-reported sleep in the surveyed finance population runs between 5.95 and 6.28 hours a night,3 the territory covered in therapy for sleep lost to work stress. This paper argues the sleep figure and declines to argue the decision-quality claim, which is the opposite of what most commentary in this area does.
02, 05 WHO and ILO joint estimates, 2021
Holt-Lunstad et al., Perspectives on Psychological Science, 2015
The solutionWhat effective care looks like§
Effective care for this population has three properties before it has any clinical content at all. It has to be reachable without an employer intermediary, because the people who most need it are the people for whom an employer channel is the deterrent. It has to be schedulable around a deal calendar rather than around a standing weekday slot. And it has to be delivered by clinicians who do not need the working context explained, because a leader who has to spend the first fifteen minutes teaching the clinician what a hold period is will not book a second appointment.
CEREVITY is a nationwide network of independent licensed clinicians working on a private-pay basis and delivering care by secure video. Because no insurance claim is filed, no diagnosis is transmitted to a payer and no utilization reviewer decides whether the work continues. Matching is done by a clinician against the presenting problem rather than by a directory filter, which matters for a population whose availability is irregular and whose presenting problem is frequently not the one they lead with. Most work runs in the 50-minute format.
Where the material needs more room than an hour allows there are 90-minute therapy sessions, and where a weekly slot cannot survive the deal calendar at all the alternative is the 3-hour intensive format.
The reasoning behind matching, privacy and format is set out in how the clinical model is structured.
ImplementationHow to put it into practice§
The implementation question for a sponsor is not whether to care about this. It is where in an existing process the access gets built, so that it exists before anyone needs to ask for it under pressure. Four steps, in the order they actually work.
- 01
Establish access at close, not at crisis
Access introduced during the first hundred days is infrastructure. Access introduced during a visible difficulty is an intervention, and it is read as one by the person receiving it. The difference in uptake between the two is the single largest variable a sponsor controls here.
- 02
Route it outside the employment relationship
Any channel that runs through the employer, the board, or a benefits administrator inherits the confidentiality question that suppresses uptake in this population. Private-pay care sourced independently removes the claim, the payer record and the reviewer in a single step.
- 03
Match on context, not only on availability
A clinician who understands the working environment removes the translation tax that ends most executive courses of therapy in the first month. That is a matching requirement rather than a preference, and it should be specified at the outset.
- 04
Measure continuity rather than utilization
Utilization counts sessions and rewards volume. Continuity counts whether the same person stayed with the same clinician long enough for the work to compound, which is the variable that actually predicts benefit and the one a quarterly utilization report will never show.
RecommendationsWhere to start§
Clinical
Treat leadership strain as a hold-period risk
It has an exposure, a dose relationship and a continuity consequence. Nothing else on the risk register with those three properties is left uncounted.
Clinical
Provide care the leader will actually use
Confidential, private-pay, outside the employment relationship, and scheduled around the calendar rather than against it. Anything else is a benefit that exists on paper.
Structural
Say plainly what the evidence does not cover
No peer-reviewed study measures mental health outcomes in private equity professionals. A sponsor acting on this is acting on a well-evidenced exposure applied to an unstudied population, which is a defensible position stated honestly and an indefensible one dressed up.
Structural
Build it before the quarter it is needed
The leader least able to arrange care is the one who needs it most, at exactly the moment the deal can least absorb a gap. Access is cheap in advance and expensive to assemble under pressure.
FAQCommon questions§
Is there research on mental health in private equity specifically?
Does carried interest or deal-cycle compensation affect wellbeing?
Why private-pay rather than an employer-provided program?
How does private-pay billing work?
How is my privacy protected?
MethodologyHow this paper was built§
Methodology
This paper was first assembled between July and August 2026 and revised in October 2026, when every reference was re-checked against its publisher or index record. Sources were identified through searches of Europe PMC, PubMed, the World Health Organization and International Labour Organization publication indexes, and the published reports of finance industry bodies, using combinations of long working hours, job strain, occupational burnout, social isolation, sleep, private equity and finance professionals. Every source cited was retrieved and read directly; claims that could only be verified through a secondary write-up were excluded. Sample sizes and designs are stated inline rather than in a footnote, because they carry most of the interpretive weight. The WHO and ILO joint estimates are modelled attributable burden across 194 countries rather than a single cohort. The job strain finding pools individual participant data from 197,473 people across 13 European cohorts with a mean follow-up of 7.5 years. The Whitehall II analysis of long hours and mental health followed 2,960 full-time British civil servants, and its authors' stated conclusion concerns women specifically, which is reproduced here rather than generalized. The isolation meta-analysis covers 70 independent prospective studies and 3,407,134 participants. The sleep and cognition point rests on a narrative review rather than a meta-analysis. The finance hours data is an industry survey of 531 self-selected respondents, collected between October 2024 and January 2025, whose professional status the publisher states was not verified, and it is labelled as an industry survey everywhere it appears. No CEREVITY internal data is used in this paper. Three limitations are material. First, no cited study measures private equity professionals; every application to this population is inference from occupational exposure research conducted elsewhere. Second, the finance hours figure describes junior investment banking rather than deal partners or portfolio chief executives, so it establishes that the sector operates above the exposure threshold without establishing the exact figure for the population this paper addresses. Third, several widely circulated claims were excluded during preparation, including a frequently quoted figure on chief executive loneliness whose original source is no longer retrievable, and replacement-cost multiples drawn from general workforce research rather than portfolio-company data. Where a number could not be traced to a source that states it, it is absent from this paper rather than softened.
References
- 01Pega F, Nafradi B, Momen NC, et al. (2021). Global, regional, and national burdens of ischemic heart disease and stroke attributable to exposure to long working hours for 194 countries, 2000-2016. Environment International, 154, 106595. pubmed.ncbi.nlm.nih.gov
- 02World Health Organization and International Labour Organization (2021). Long working hours increasing deaths from heart disease and stroke: WHO, ILO. News release, 17 May 2021. who.int
- 03Wall Street Oasis (2025). 2024 Investment Banking Working Conditions Survey. Industry survey, n=531, self-selected, October 2024 to January 2025; respondent professional status not verified. wallstreetoasis.com
- 04Kivimaki M, Nyberg ST, Batty GD, et al. (2012). Job strain as a risk factor for coronary heart disease: a collaborative meta-analysis of individual participant data. The Lancet, 380, 1491-1497. pubmed.ncbi.nlm.nih.gov
- 05Holt-Lunstad J, Smith TB, Baker M, Harris T, Stephenson D (2015). Loneliness and social isolation as risk factors for mortality: a meta-analytic review. Perspectives on Psychological Science, 10(2), 227-237. pubmed.ncbi.nlm.nih.gov
- 06Virtanen M, Ferrie JE, Singh-Manoux A, et al. (2011). Long working hours and symptoms of anxiety and depression: a 5-year follow-up of the Whitehall II study. Psychological Medicine, 41(12), 2485-2494. pubmed.ncbi.nlm.nih.gov
- 07Killgore WDS (2010). Effects of sleep deprivation on cognition. Progress in Brain Research, 185, 105-129. pubmed.ncbi.nlm.nih.gov
PsyD, Licensed Psychologist
Benjamin Rosen, PsyD is a clinical psychologist licensed in California, seeing clients by telehealth through CEREVITY's nationwide network of independent licensed clinicians. He works with startup founders, AI and tech executives, venture-backed leaders and innovation leaders on founder and executive burnout, on the ethical complexity of emerging technology, on identity shifts during scaling, on anxiety and high-stakes decision-making, and on isolation in senior leadership. His clinical work draws on acceptance and commitment therapy, cognitive behavioral therapy, existential therapy and solution-focused therapy.
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