Complex sentence: Even as the process of merging with KeyServ got underway, Minkow had ambitions of becoming more powerful, and was already making plans to raise $700--800 million to buy ServiceMaster in a hostile takeover.
Split into simpler sentences: Even as the process of merging with KeyServ got underway, Minkow had ambitions of becoming more powerful. He was already making plans to raise $700--800 million to buy ServiceMaster in a hostile takeover.