2002年毕业于美国芝加哥大学物理系，获博士学位。 2002至2005年任葡萄牙里斯本科技大学（Instituto Superior Tecnico）博士后；2005年起任北京师范大学物理系副教授；研究领域包括：广义相对论、黑洞热力学、协变熵界假说等。现主持一项国家自然科学基金项目。

教育背景及主要经历：

研究方向：

主讲课程：

近期发表的论文：

1.Sijie Gao and Xiaoning Wu，“Proof of the entropy bound on dynamical horizons”，J. High Energy Phys.JHEP08 (2008) 005.

2. Xihao Deng & Sijie Gao, “Reversible Carnot Cycle outside a black hole”，Chinese Physics B, to be published.

3. Sijie Gao and Jose’ P. S. Lemos，“Collapsing and static thin massive charged dust shells in a Reissner-Nordström black hole background in higher dimensions” IJMPA, 23, 2943, (2008).

4. Sijie Gao, Hongbao Zhang，“Can gravitational dynamics be obtained by diffeomorphism invariance of action?”, Phys. Rev. D 75, 068501(2007)

5. Xiaoning Wu,Sijie Gao，“Tunneling Effect Near Weakly Isolated Horizon”，Phys.Rev. D75044027 (2007).

6．Goncalo A. S. Dias,Sijie Gao, Jose' P. S. Lemos，“Charged shells in Lovelock gravity: Hamiltonian treatment and physical implications”，Phys.Rev. D75, 024030 (2007)

7. Zhao Zheng, Tian Gui-Hua, Liu Liao, Gao Sijie， How to Define the Equality of Durations in Measurement of Time， Chin. Phys. Lett, 23, 3165 (2006)

8．S. Gao & J. Lemos, “Local conditions for the generalized covariant entropy bound” Phys.Rev. D71 084010 (2005)