Cliff Shaffer

Cliff Shaffer is a Professor in the Department of Computer Science at Virginia Tech, affiliated with the College of Engineering. He holds a Ph.D., M.S., and B.S. in Computer Science from the University of Maryland, College Park (1986, 1982, 1980). His research focuses on data structures, algorithms, algorithm visualization, and digital education, with notable contributions to educational tools like OpenDSA and JSAV. He is also involved in computational biology modeling through projects like JigCell and MSMB.

Shaffer's work emphasizes interactive learning systems, including online textbooks and automated feedback mechanisms. He has authored influential textbooks such as Data Structures and Algorithm Analysis in Java and C++. His publications span algorithm visualization, educational technology, and computational methods in systems biology.

He has advised numerous PhD and master’s students (names not listed in provided texts) and contributed to grants in areas like bioinformatics and education infrastructure. His lab and team projects include OpenDSA (an interactive eTextbook initiative) and JigCell (modeling biochemical systems). Shaffer’s work bridges theoretical computer science with practical educational and biological applications.