On the afternoon of December 19, 2014, Mr. Xiong Zhou successfully passed his Master of Applied Science defense. The title of his thesis is "Development of Two-stage Fractional Programming Methods for Environmental Management under Uncertainty". His profound knowledge and excellent presentation helped him win the good evaluation from external examiner, Dr. Mehran Mehrandezh and other examining committee members (Drs. Gordon Huang, Stephanie Young, Chunjiang An and Guoxiang Chi).