Why it matters
The problem, in numbers
These figures come from published research on work, AI and mental health. They describe the problem Custodian addresses, not results Custodian has produced. Our own measured results are on the How it works page.
AI at work
Adoption runs ahead of measurement
14%
of workers report "AI brain fry"
Mental fatigue from heavy AI use.
Harvard Business Review, 2026
40%
of AI productivity gains missed
Companies miss up to 40% of the productivity AI could give them, through gaps in talent strategy and wellbeing.
EY, 2025
22%
of companies monitor how employees use AI
While 64% of employees report a heavier workload since it arrived.
HR Dive
Psychological safety
Leaders say it drives AI results, and few have it
$438B
lost productivity, yearly, worldwide
From falling employee engagement.
Gallup, State of the Global Workplace
The cost of inaction
What goes unmeasured shows up later, as burnout and turnover
35%
lower cognitive performance
Depression alone reduces cognitive performance by about 35%.
WHO, Mental health at work
27
working days lost each year
By an employee with severe depressive symptoms.
WHO, Mental health at work
Measure it before it costs you
Custodian starts with one team and shows you what the signals look like on your own conversations.