Linjin Zheng，Dr Linjin Zheng is a theoretical physicist studying controlled thermonuclear fusion plasmas. He received his MSc degree from The University of Science and Technology of China and his PhD from the Institute of Physics-Beijing, Chinese Academy of Sciences. He is currently working at the Institute for Fusion Studies, The University of Texas at Austin. He has published more than one hundred scientific papers, for example in Physical Review Letters, Physics Letters, Nuclear Fusion, Physics of Plasmas, and major conferences. He edited one and authored two books. His research covers ideal/resistive magnetohydrodynamics, and two-fluid and kinetic theories for both equilibrium and stability. His major contributions with his colleagues include the reformulation of gyrokinetic theory, the development of the theoretical interpretation of the so-called edge localized modes, invention of the free boundary ballooning representation, the discoveries of second toroidal Alfven eigenmodes and current interchange tearing modes, etc. He also developed the tokamak equilibrium code ATEQ and stability codes AEGIS and AEGIS-K.