We derive a role for inside investors. such as venture capitalists, in
resolving various agency problems that arise in a multistage financia
l contracting problem. Absent an inside investor, the choice of securi
ties is unlikely to reveal all private information, and overinvestment
may occur. An inside investor, however, always makes optimal investme
nt decisions if and only if he holds a fixed-fraction contract, where
he always receives a fixed fraction of the project's payoff and financ
es that same fraction of future investments. This contract also elimin
ates any incentives of the venture capitalist to misprice securities i
ssued in later financing rounds.