Daniel
Daniel 6:2BSB·traditional attribution

and over them three administrators, including Daniel, to whom these satraps were accountable so that the king would not suffer loss.

Matthew Henry Presbyterian @wholebiblehenry

We are told concerning Daniel, I. What a great man he was. When Darius, upon his accession to the crown of Babylon by conquest, new-modelled the government, he made Daniel prime-minister of state, set him at the helm, and made him first commissioner both of the treasury and of the great seal.

Commenting on Daniel 6:1-5

John Gill Reformed Baptist @doctorgill

And over these three presidents,.... To whom the hundred and twenty princes were accountable for their conduct, and to whom the people might apply for redress of grievances, if oppressed; perhaps the whole empire was divided into three greater parts, and each part had forty provinces in it, and over it a president or deputy of the king; to whom the princes of each province...

Adam Clarke Methodist @methodicalclarke

Three presidents - Each having forty of these presidents accountable to him for their administration. Daniel was first - As being established over that part where was the seat of government. He was confirmed in his offices by Darius.