Colin Allen is Provost Professor of Cognitive Science and of History & Philosophy of Science in the College of Arts and Sciences at Indiana University, Bloomington, where he has been a faculty member since 2004. He is a member of IU's Center for the Integrative Study of Animal Behavior and the Program in Neuroscience, and he also holds an adjunct appointment in the Department of Philosophy. Allen currently also holds adjunct positions at Arizona State University and Xi'an Jiaotong University, Xi'an, China.

Allen's main area of research is on the philosophical foundations of cognitive science, particularly with respect to nonhuman animals. He is interested in the scientific debates between ethology and comparative psychology, and current issues arising in cognitive ethology. Allen has also published on other topics in the philosophy of mind and philosophy of biology, and artificial intelligence. His most recent book is Moral Machines: Teaching Robots Right from Wrong (Oxford University Press 2009), coauthored with Wendell Wallach.

Allen has published dozens of articles and reviews, and authored or co-edited several books. Species of Mind (MIT Press 1997), co-authored with Marc Bekoff, remains in print and has also been translated into Italian. Nature's Purposes, coedited with Bekoff and George Lauder is an anthology of previously published papers about the role of teleological concepts in biological explanation. This volume was published in April of 1998, also by MIT Press. The Evolution of Mind, is a collection of original essays co-edited with cognitive psychologist Denise Cummins, which was published in May 1998 by Oxford University Press. The Cognitive Animal is a collection of 57 original essays by animal cognition experts, coedited with Marc Bekoff and Gordon Burghardt, and published in the summer of 2002 by The MIT Press.

Allen holds a B.A. in philosophy from University College London and a Ph.D. in philosophy from the University of California at Los Angeles where he also did graduate work in computer science (artificial intelligence). He was formerly Professor of Philosophy at Texas A&M University.

Since 1998 he has been consulting and programming for The Stanford Encyclopedia of Philosophy and is Associate Editor of the encyclopedia. He coauthored a logic textbook Logic Primer (MIT Press 1992, 2nd ed. 2001) with Texas A&M colleague Michael Hand. In 1995 Allen created the first interactive logic site on the world wide web with Texas A&M colleague Chris Menzel at http://logic.tamu.edu/. They are also co-developers of the site at http://www.poweroflogic.com. Allen is currently director of the Indiana Philosophy Ontology project (InPhO) which in 2007 was awarded a Digital Humanities startup grant from the National Endowment for the Humanities and in 2009 received a $400,000 grant from the NEH Division of Preservation and Access. Current funding is from the NEH jointly with JISC in the UK and DFG in Germany. Allen is also Associate Editor of Noesis Philosophy Research Online.

Allen is the 2013 recipient of the Barwise Prize from the American Philosophical Association "for significant and sustained contributions to areas relevant to philosophy and computing by an APA member". In 2010 Allen received a Research Award from the Alexander von Humboldt Foundation, which is given "in recognition of a researcher's entire achievements to date". Allen was President of the Society for Philosophy and Psychology in 2008-2009. In 2008 he was honored as Faculty Mentor of the Year by the Indiana University Graduate and Professional Students Organization. He also received the Association of Former Students Distinguished Teaching Award at Texas A&M in 2000. In 1994-1995 he spent the year at the University of Colorado, Boulder, as recipient of a Professional Development Fellowship from the National Science Foundation.