Which Person of the Trinity is the Ancient of Days sitting on His throne?

**Accordring to Trinitarians who is this person with a form, sitting on His throne?** Daniel 7:9-27 New King James Version Vision of the Ancient of Days > 9 “I watched till thrones were put in place, **And the Ancient of Days > was seated**; His garment was white as snow, And the hair of His head > was like pure wool. His throne was a fiery flame, Its wheels a burning > fire; 10 A fiery stream issued And came forth from before Him. A > thousand thousands ministered to Him; Ten thousand times ten thousand > stood before Him. The court was seated, And the books were opened. > > 11 “I watched then because of the sound of the pompous words which the > horn was speaking; I watched till the beast was slain, and its body > destroyed and given to the burning flame. 12 As for the rest of the > beasts, they had their dominion taken away, yet their lives were > prolonged for a season and a time. > > 13 “I was watching in the night visions, And behold, One like the Son > of Man, Coming with the clouds of heaven! He came to the Ancient of > Days, And they brought Him near before Him. 14 Then to Him was given > dominion and glory and a kingdom, That all peoples, nations, and > languages should serve Him. His dominion is an everlasting dominion, > Which shall not pass away, And His kingdom the one Which shall not be > destroyed.