John Overdeck and David Siegel created hedge-fund giant Two Sigma, amassing billions in wealth. Here's the relevant section of the filing:There have been a variety of management and governance challenges at the Adviser. These disagreements can affect the Adviser's ability to retain or attract employees (including very senior employees) and could continue to impact the ability of employees to fully implement key research, engineering, or corporate business initiatives. Nor can it agree on the org chart, the management structure, corporate governance, or succession plans. These disagreements might hurt Two Sigma's ability to retain and attract star employees, and those employees' ability to actually implement research, tech, or business initiatives.

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Persons: John Overdeck, David Siegel, Juliet Chung, Gregory Zuckerman, Chung, Zuckerman, Jamie Nash, Kleinberg Kaplan, I've Organizations: Sigma, Bloomberg, Wall Street, Management, Management Committee, Chief Investment Officers