Proper noun
Sipher (plural Siphers)
A surname.
And John Sipher, who was a clandestine CIA officer in Russia and was deputy director of Russia House during George W. Bush’s presidency, said: 'In general, the Russians have no compunction about doing this kind of thing.' Source: Internet
Probably the Office of the Director of National Intelligence, or ODNI, according to retired CIA officer John Sipher. Source: Internet