Stephen Tong would give a resounding YES!!!
I remember the pastor of my church GCC claimed that this is not possible. Not sure if he would change his mind or simply agree to otherwise once you state "with God, all things are possible". But he would still stick to his original principle that sounded something like: "humans were not designed to be kings or rule other humans", if I paraphrase correctly. His point is probably such that he reserves Jesus as the only one qualified to be the King, while all human not only would fail in imperfection as a king, but I'm sure I didn't misheard that Pastor Chris would go as far as saying no human, not even Adam pre-fall, is meant to be king. But I'm not certain if this is truly the pastor's view, because this comes close to denying the 3 functions (priestly, kingship, prophetic) of human nature, which would be against what is unique in reformed doctrine.
However, Stephen Tong has this down in disagreement:
With one important principle: Yes, one can be a good king, ruling over the nations and his people properly in favor with God, as mere human, following Christ the King, if when the time calls for it, he is willing to sacrifice himself for the Lord. Daniel and his friends were excellent examples! Though Elijah was not a king or ruler, his character is still a worthy study: to stand against the king. To see through the conflict of two kingdoms: "God's authority manifesting in human kingdoms" ~ by Daniel.
This is spot on.