Andrew S. Rosen is current Chairman and CEO of Kaplan, Inc., a global education company that began as a test prep provider in 1938. It was purchased in 1984 by The Washington Post Company, now Graham Holdings Company. Rosen worked as a staff attorney for The Washington Post beginning in 1986. He joined Kaplan in 1992 and was named Chairman and CEO in November 2008, following the resignation of long-time Chairman and CEO Jonathan Grayer.