Moses
Deuteronomy 17:15ESV·traditional attribution

you may indeed set a king over you whom the LORD your God will choose. One from among your brothers you shall set as king over you. You may not put a foreigner over you, who is not your brother.

John Calvin Reformed @genevareformer

15. Thou shalt in any wise set him king over thee. First of all, God maintains His own supremacy in the appointment of a king, and does not consign the matter to the people’s own suffrages; that thus He may chastise their audacity in demanding a king in accordance with a hasty impulse.

Matthew Henry Presbyterian @wholebiblehenry

After the laws which concerned subjects fitly followed the laws which concern kings; for those that rule others must themselves remember that they are under command. Here are laws given, I. To the electors of the empire, what rules they must go by in making their choice, Deu 17:14, Deu 17:15. 1.

Commenting on Deuteronomy 17:14-20

John Gill Reformed Baptist @doctorgill

Thou shalt in any wise set him king over thee whom the Lord thy God shall choose,.... The Jews take this to be a command to set a king over them: whereas it is only a permission in case they should desire and determine on having one, as God foresaw they would; and this with a limitation and restriction to appoint none but whom God...