I am an Assistant Professor of Philosophy at the University of Michigan, Ann Arbor. Before moving to Michigan, I was a Bersoff Faculty Fellow in the NYU Philosophy Department.  I completed a PhD in philosophy at Princeton University in August 2022. 

I specialize in ancient Greek and Roman philosophy. My recent research focuses on foundational issues in ancient Greek metaphysics, including the concept of essence and the Principle of Non-Contradiction. I am also interested in contemporary metaphysics, ancient Greek and Roman ethics, and the reception of Aristotelianism in medieval Jewish and Islamic philosophy. For more about my work, see my research page. 

I am on the steering committee for the Open Plato Project. We are creating a digital translation and commentary of Plato's Alcibiades to serve as model for a new and more open kind of resource for readers of ancient Greek philosophical texts. 
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When I am not writing or teaching, I am often making a sandwich or trying a new hot sauce. You can follow some of my hot sauce adventures here. 

My email address is gys at umich dot edu.