The article profiles Maria M. Klawe vice president, student and academic services, professor computer science at University of British Columbia and Charles P. Thacker director of advanced systems at Microsoft Research Ltd. contending for the post of members at large of the Association for Computing Machinery. Klawe has done her B.Sc. and Ph.D. in mathematics, from the University of Alberta. After eight years with IBM Research in California, Klawe joined the University of British Columbia as Head of the Computer Science Department. Now a senior vice president with responsibility for information technology, libraries and student affairs, Maria also holds the NSERC-IBM Chair for Women in Science and Engineering. Maria's research is in theoretical computer science, discrete mathematics and human-computer interaction. Thacker received the B.A. degree in physics from the University of California at Berkeley in 1967. He was employed by the Berkeley Computer Corp., developing the BCG 500 timesharing system. Thacker was project leader of the MAXC timesharing system, was responsible for the Alto, the first personal workstation, was co-inventor of the Ethernet local area network and conducted research in computer architecture and networking.