Robert Niehaus 91 cityfile 02/03/08 09:33PM Filed to: Robert Niehaus Robert Niehaus Robertniehaus Robert H. Niehaus Robert-H.-Niehaus Roberthniehaus Profiles Thisissomethingthatneedsattn Cityfile Profile Robert-Niehaus This image was lost some time after publication.WhoBob Niehaus is chairman of Greenhill Capital Partners, a $1.8 billion private equity fund that focuses on leveraged buyouts. He reports to Robert Greenhill, the chairman of Greenhill & Co.