Core Faculty
![Professor Archer looks to the camera wearing dark rimmed glasses and a blue sweater with a white collared shirt underneath. His long dreadlocks are down behind his shoulders and he has a short dark beard. The background is a bookcase full of books.](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/2023-08/professional_profile_pic.jpg?h=4ac540ba&itok=ie7SxvBl)
Associate Professor of Philosophy
Philosophy of Mind, Action Theory, Moral Psychology
![Jeffrey Brand](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Jeffrey_Brand-Ballard.gif?h=b0755d67&itok=a2fDi5fd)
Associate Professor of Philosophy; Affiliated Faculty, Trachtenberg School of Public Policy and Public Administration
Philosophy of Law, Ethics, Political Philosophy
![David DeGrazia](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/2023-01/degrazia_updated_headshot.jpg?h=8f385cfb&itok=cLKtGP3K)
Elton Professor of Philosophy, George Washington University
Ethical Theory, Applied Ethics (especially Bioethics), Personal Identity Theory
![Michèle Friend](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Michele_Friend.jpg?h=233a95c4&itok=cJXuuA8-)
Full Professor of Philosophy, Logic Coordinator
Philosophy of Mathematics, Philosophy of Logic, Philosophy of the Environment, Philosophy of Science
![Alt Text](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Chris%20Meyers_headshot_0.jpg?h=f137dbb5&itok=PMCtWXqW)
Visiting Professor of Philosophy
Ethical Theory, Metaethics, Moral Psychology, Applied Ethics, Public Policy
![Laura Papish](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Papish.jpg?h=f31a61d2&itok=dG1lfCCM)
Associate Professor of Philosophy
Kant (especially Kant's Moral Theory), Contemporary Ethics, History of Ethics
![Mark Ralkowski](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/mark.png?h=7922499f&itok=y0vJ5MaN)
Associate Professor of Honors and Philosophy, Philosophy Honor Society Advisor
Ancient Philosophy, Phenomenology, Existentialism
![Eric Saidel headshot](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Eric_Saidel_2009_DSC_8888_720x1080.jpg?h=af2bc854&itok=jwQyTzFy)
Assistant Professor of Philosophy, Director of Graduate Studies, Colloquia (Brown Bag) Coordinator
Philosophy of Mind, Philosophy of Biology, Philosophy of Psychology
![Joseph Trullinger](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Joseph_Trullinger_square.jpg?h=29ac858d&itok=Y7rI6Btv)
Assistant Professor of Honors and Philosophy
Modern Philosophy, 19th-Century Philosophy, Philosophy of Religion
![Gail Weiss](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Gail_Weiss.jpg?h=07c1001a&itok=MpKviHOu)
Professor of Philosophy
Phenomenology and Existentialism, Philosophy of Race and Gender, Philosophy of Literature
![Vanessa Wills](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Vanessa_Wills.jpg?h=7944ae5f&itok=QVU1N1gP)
Assistant Professor of Philosophy
Moral, Social and Political Philosophy; 19th-Century German Philosophy (Karl Marx, in particular); Philosophy of Race
![Alt Text](https://philosophy.columbian.gwu.edu/sites/g/files/zaxdzs5446/files/styles/d03_traditional/public/image/Tad_Zawidzki_new%20headshot.jpg?h=88093f69&itok=NfxLQWjw)
Department Chair, Associate Professor of Philosophy
Philosophy of Mind, Philosophy of Psychology, Philosophy of Biology, Philosophy of Science