A graduate of the City of London College, Sir William joined Amersham plc in 1989 as Chief Executive. After GE acquired Amersham plc in April 2004, Sir William was appointed a Vice Chairman of the General Electric Company and became the CEO of GE Healthcare, the combination of the Amersham and the GE Medical businesses and, in July 2005, became the Chairman of GE Healthcare. In April 2006 Sir William retired as a Vice Chairman of GE. ge
The definitive Wikipedia entry for William Castell. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/William_Castell
