Alright, I will gladly explain & answer your questions this time around, but after that I may decline, since it would take you less than a minute of DD by way of a quick Google search to find those answers yourself.
They changed their name because their business changed & a new partnership w/Nippon Dragon Investments was formed. At first they were only in the mining business, but after inventing Thermal Fragmentation their whole business model changed.
The new CEO is the one who invented the Thermal Fragmentation process & therefore taking the company into a whole new direction that would boost their income to unimaginable height s! Therefore, it only made sense to make a change in management, in order to be better aligned to their business strategy with Thermal Fragmentation.