This is the palatial estate of billionaire businessman and Oligarch Alisher Burkhanovich Usmanov. Who has a $26Billion (USD) net worth. He made his money through Mining and Investments in the steel industry among other things. He is one of the wealthiest men in Russia.
This particular Home is subject to a number of corruption claims and Alexei Navalny claims to have proof that he bribed state officials in order to acquire the Plot of land that this house sits on.
He Also owns the house situated just east of the palace to which he lived in for 20 years prior to the construction of this house.
He also owns a $600,000,000 Yacht called Dilbar.