Sortition may be what you're looking for: "sortition is the selection of public officials or jurors at random, i.e. by lottery, in order to obtain a representative sample". No one can amass power because it's short term and random.
I think B. F. Skinner liked that sort of things. (In "Walden Two" he gives a rather detailed description of a contraption to conveniently carry around a glass full of a hot beverage without risk of spilling; I'm positive it was one of his inventions.)
REQUEST to include the 4DWW (Four Day Work Week) tag & text in the description to provide a clear signal to companies that workers are yearning for it.
Democracy (limited terms), taxation and anti-monopoly regulation are examples that show a path to cure the disease.
Nobody should be trusted with too much power for too long.
https://en.wikipedia.org/wiki/Sortition