Guohan Hu is a Principal Research Staff Member and Manager of the MRAM Materials and Devices group at the IBM T. J. Watson Research Center. Guohan received a B. S. degree in Materials Science & Engineering and a B. S. degree in Economics from Tsinghua University in 1997. Guohan received her Ph.D. degree in Materials Science and Engineering from Cornell University in 2002. Her research has been on MRAM materials and devices, magnetic oxide thin films, and patterned media.