Bill Richter is CEO of Qumulo and a venture partner at Madrona, helping identify investments and advising portfolio companies. He was previously president of EMC's Isilon storage division, COO of EMC's midrange storage business, Isilon's CFO through its sale to EMC, a finance director at Amazon, and spent eight years at PricewaterhouseCoopers. He serves on the board of Global Partnerships.