Moses
Numbers 7:54BSB·traditional attribution

On the eighth day Gamaliel son of Pedahzur, the leader of the Manassites, drew near.

Matthew Henry Presbyterian @wholebiblehenry

We have here an account of the great solemnity of dedicating the altars, both that of burnt-offerings and that of incense; they had been sanctified before, when they were anointed (Lev 8:10, Lev 8:11), but now they were handselled, as it were, by the princes, with their free-will offerings.

Commenting on Numbers 7:10-89

John Gill Reformed Baptist @doctorgill

All the oxen for the burnt offering were twelve bullocks,.... According to the number of the princes and their tribes, and so: the rams twelve, the lambs of the first year twelve; which were also for the burnt offering: with their meat offering; which always went along with the burnt offering: and the kids of the goats, for a sin offering, twelve; thus the twelve...

Keil & Delitzsch Lutheran @keilanddelitzsch

Num 7:12-88 All the princes brought the same gifts. The order in which the twelve princes, whose names have already been given at Num 1:5-15, made their presentation, corresponded to the order of the tribes in the camp (ch. 2), the tribe-prince of Judah taking the lead, and the prince of Naphtali coming last.

Commenting on Numbers 7:12-88