CEPC International Advisory Committee:Young-Kee Kim (Chair), University of Chicago Barry Barish, Caltech Hesheng Chen, IHEP Michel Davier, LAL Brian Foster, DESY/U. Hamburg Rohini Godbole, CHEP, Bangalore David Gross, UC Santa Barbara George Hou, Taiwan U. Peter Jenni, CERN & Albert-Ludwigs-University Freiburg Eugene Levichev, BINP Lucie Linssen , CERN Joe Lykken, Fermilab Luciano Maiani, U. Rome Michelangelo Mangano, CERN Hitoshi Murayama, IPMU/UC Berkeley Tatsuya Nakada, EPFL Katsunobu Oide, KEK Robert Palmer, BNL John Seeman, SLAC Ian Shipsey, Oxford Steinar Stapnes, CERN Geoffrey Tayler, U. Melbourne Henry Tye, IAS, HKUST Hendrik J. (Harry) Weerts, ANL