Bill Gate$

Bill Gates, the owner of the mysterious company said to be the most profitable in the entire world, Microsoft, is one of the most mysterious humans in... uh... Antarctica. He had drove Stevie Falcon I out of presidency and signed the contract with the Mabel Mongrol Klan for admission.

Background
His birth, early life and childhood, teenage years, young years, job, and all those other stuff are not known. Search Wikipedia for an anwser. As for coming to Antarctica, look through the sub-section below:

Coming to Antarctica
Actually, he didn't come to Antarctica when he signed the treaty. It was an online chat from the lands of America to Antarctica. You know, after that conversation, he decided to take leave from office. He told his staff to maintain the company for the while being and headed off for Antarctica via a plane first to somewhere near the south-eastern Asia region and then took another helicopter to an island in the south, for a stopover, and to Antarctica.