Guillermo is a philosophy graduate student at UNL. His research interests are primarily in metaphysics. He is also interested in formal logic, philosophical logic, and philosophy of logic. Within metaphysics Guillermo is primarily interested in the following topics: social ontology, non-existence, and metaphysics of modality. In his free time, Guillermo enjoys spending time with his wife and son. He also enjoys spending time with friends and other family members.