Contemporary Romanticism or Aggressive Classical solo piano. It takes elements of 19th century composers like Rachmaninoff, Tchaikovsky and Beethoven, mixed with movie theme-like cadences and peppered with rhythms and phrases idealic to those who love the hardcore of rock, one has his idea of modern piano.
What is used are long runs, abrupt mood changes, tension-building chord structures that lead to dense themes to drive the point home, in the same piece no less, but all parts relevant.
There is little time to waste.