Steven L. Ezzes was hired as managing director of research at K2...

Steven L. Ezzes was hired as managing director of research at K2 Advisors, a $1 billion fund-of-hedge-funds firm, where he will lead the hedge-fund-manager research team. It is a new position. Mr. Ezzes was a managing director at Thomas H. Lee Capital; officials there said they expected to name a replacement soon. K2 Advisors is based in New York.