Peter Pin-Shan Chen (; born 3 January 1947) is a Taiwanese American computer scientist. He is a (retired) distinguished career scientist and faculty member at Carnegie Mellon University and Distinguished Chair Professor Emeritus at LSU. He is known for the development of the entity–relationship model in 1976. Biography Born 1947 in Taichung, Taiwan, Peter Chen received a B.S. in electrical engineering in 1968 at the National Taiwan University, and a Ph.D. in computer science/applied mathematics at Harvard University in 1973. In 1970, he worked one summer at IBM. After graduating from Harvard, he spent one year at Honeywell and a summer at Digital Equipment Corporation. From 1974 to 1978 Chen was an assistant professor at the MIT Sloan School of Management. From 1978 to 1983 he was an associate professor at the University of California, Los Angeles (UCLA Management School). From 1983 to 2011 Chen held the position of M. J. Foster Distinguished Chair Professor of Computer Science at Louisiana State University and, for several years, adjunct professor in its Business School and Medical School (Shreveport). During this time period, he was a visiting professor once at Harvard in '89-'90 and three times at Massachusetts Institute of Technology (EECS Dept. in '86-'87, Sloan School in '90-'91, and Division of Engineering Systems in 06-'07). From 2010 to 2020, Chen was a Distinguished Career Scientist and faculty member at Carnegie Mellon University, U.S.A. Besides lecturing around the world, he has also served as an (honorary) professor outside of the U.S. In 1984, under the sponsorship of the United Nations, he taught a one-month short course on databases at Huazhong University of Science and Technology in Wuhan, China, and was awarded as Honorary Professor there. Then, he went to Beijing as a member of the IEEE delegation of the First International Conference on Computers and Applications (the first major IEEE computer conference held in China). From 2008 to 2014, he was an Honorary Chair Professor in the Institute of Service Science at National Tsing Hua University, Taiwan. Starting in 2016, he is an Honorary Chair Professor in the Department of Bioengineering and Bioinformatics, Asia University (Taiwan). Chen has served as an advisor for government agencies and corporations. He is a member of the advisory board of Computer and Information Science and Engineering Directorate of National Science Foundation (2004-2006) and the United States Air Force Scientific Advisory Board (2005-2009). Awards and honors Chen's original