Moses
Deuteronomy 27:1BSB·traditional attribution

Then Moses and the elders of Israel commanded the people: “Keep all the commandments I am giving you today.

John Calvin Reformed @genevareformer

1. And Moses, with the elders. This precept is of the same character as those that have preceded it; for, as God would have His precepts written on the door-posts, and on the borders of their garments, so that they might constantly meet their eyes, so also would He have a monument existing at the very entrance of their land, from which the people might...

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A general charge to the people to keep God's commandments; for in vain did they know them, unless they would do them. This is pressed upon them, 1. With all authority. Moses with the elders of Israel, the rulers of each tribe (Deu 27:1), and again, Moses and the priests the Levites (Deu 27:9); so that the charge is given by Moses...

Commenting on Deuteronomy 27:1-10

John Gill Reformed Baptist @doctorgill

And Moses, with the elders of Israel, commanded the people, saying,.... The seventy elders, at the head of whom was Moses, which made the great sanhedrim, or council of the nation; Moses having recited all the laws of God to the people, these joined with him in an exhortation to them to observe and obey them: keep all the commandments which I command you this...