Moses
Exodus 24:5ESV·traditional attribution

And he sent young men of the people of Israel, who offered burnt offerings and sacrificed peace offerings of oxen to the LORD.

John Calvin Reformed @genevareformer

5. And he sent young men of the children of Israel. He either means that they were the sacrificial attendants (victimarios,) by whose hands the victims were killed, or that some were chosen who might be active and strong to drag the oxen to the altar.

Matthew Henry Presbyterian @wholebiblehenry

The first two verses record the appointment of a second session upon mount Sinai, for the making of laws, when an end was put to the first. When a communion is begun between God and us, it shall never fail on his side, if it do not first fail on ours.

Commenting on Exodus 24:1-8

John Gill Reformed Baptist @doctorgill

And he sent young men of the children Israel,.... To the altar under the hill he had these young men, according to Jarchi, were the firstborn of the children of Israel; and so the Targums Onkelos and Jonathan; and the latter adds,"for unto this hour the worship was among the firstborn, as yet the tabernacle of the covenant was not made, and as yet the...