Share Sales agents who were cheated out of their commissions by a marketing group owned by self-professed timeshare king David Siegel told a judge Monday that they are tired of fighting for their ...

David Siegel is cofounder and co-chairman of Two Sigma Investments, a systematic investment manager with more than $40 billion in assets. Read next ...

David Siegel has been a digital media executive for over 20 years. He has served as CEO of Investopedia and previously served as President, Seeking Alpha, and Senior Vice President and General ...