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- PhD, 1996
- : Department of Philosophy
- : Philosophy
- Continental Philosophy, Applied Ethics, Metaphilosophy, Metaphysics
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- PhD
- : Department of Philosophy
- : Philosophy
- Philosophical Traditions, History of Western Philosophy, Metaphysics and Epistemology
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- PhD, 2016
- : Department of Philosophy
- : Philosophy
- European Philosophy, French Philosophy, German Philosophy
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- PhD, 2028
- : McAnulty College of Graduate School of Liberal Arts / School of Nursing
- : Nursing Ethics
- Applied Ethics and Normative Ethics, Beneficence in Applied Ethics, Autonomy in Applied Ethics, Responsibility in Applied Ethics, Value Theory
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- PhD, 2022
- : Center for Global Health Ethics
- : Healthcare Ethics
- Biomedical Ethics, Medical Research Ethics, Social and Political Philosophy, Applied Ethics
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- PhD, 2008
- : Department of Philosophy
- : Philosophy
- Ancient Greek and Roman Philosophy, History: Philosophy of Mathematics, M&E, Misc