Billionaire Ken Griffin's Citadel has a sprawling alumni network of more than 80 hedge funds. Take a

Billionaire Citadel founder Ken Griffin has built one of the most well-known brands in hedge-fund history, and those who have worked for him have benefitted. A Business Insider review has found dozens of funds started by an alum of Citadel or connected to Griffin in some way. While Griffin isn't in the business of seeding top producers in the way Tiger Management founder Julian Robertson or George Soros were, Citadel's pod structure gives portfolio managers the chance to run a team. In...