Who are the owners of Jump Trading?

Who exactly are the owners of Jump Trading, and could you provide some insight into their backgrounds and expertise? Is the company privately held or does it have any significant investors or stakeholders? How do they play a role in shaping the direction and strategy of Jump Trading, and how do their personal experiences and values influence the company's culture and operations? Additionally, is there any information available on the ownership structure and how decisions are made within the organization?