David Owen, a British physician and parliamentarian, has dubbed this phenomenon hubris syndrome, which he defines as a “disorder of the possession of power, particularly power which has been associated with overwhelming success, held for a period of years.”
https://hbr.org/2018/02/power-can-corrupt-leaders-compassion-can-save-them?utm_medium=social&utm_source=linkedin&utm_campaign=hbr
