Brownfields sites come in all sizes and locations. Some are viable projects simply due to market economics. Others are not as market friendly, the so-called second– and third–tier properties. Other sites may have little market value, but are desirable to put into community use such as parks and open space. Successful redevelopment requires the coordination of various interests, including the private sector, public officials, and the affected community. Brownfields transactions can range from simple to complex — this article presents an overview of potential players, their roles, and the skill sets that may come into play on any particular brownfields deal. The information presented here is intended to provide a broad–based background for environmental consultants desiring to be part of an effective brownfields redevelopment team.