i got to know him personally when he was taking the course--methodology of management research (or methods of management as stated in his transcripts, a course i taught, concerning basic research methods, especially quantitative approach to management research. then he took one of my other courses--advanced strategic management. mr. caleb showed great aptitude on both courses and he got 78 on both, which seem a bit lower, but if you take the difficulty of the test papers and my strict grading into account, you will understand why such scores are still among the top five. undoubtedly, he got excellent scores on other courses and ranked among the top 5% of his class after the first year of graduate study. to my knowledge, mr. cai is not only strong in academics, but also in sports and social activities. he was the captain of the soccer team of graduateschool of dut and led the team to play in the soccer league of our university for two successive years. he was also one of the main founders of the first academic club--management forum of the dalian management school of dut. after i left dut, he still keeps in touch with me from time to time and i am pleased to see that he proved his outstanding capability in both research and teaching