1. Tomasz Bigaj (University of Warsaw, Poland) – Van Inwagen and the Polish Logician
  2. Andrea Bottani (University of Bergamo, Italy) – Van Inwagen on Properties, Nominalism and Things That Can Be Said
  3. Chris Daly (University of Manchester, UK) – Van Inwagen on Testimony and Contingency
  4. Mario De Caro (Roma Tre University, Italy) – Free Will after Van Inwagen
  5. Rafał Gruszczyński (Nicolaus Copernicus University in Toruń, Poland) – An Argument for Existence of Arbitrary Mereological Sums
  6. William Jaworski (Fordham University, USA) – The Closet Hylomorphist
  7. Christian Kanzian (University of Innsbruck, Austria) – A (more or less) Van Inwagenian
    Way to (Moderate) Nominalism
  8. Zbigniew Król & Józef Lubacz (International Center for Formal Ontology, Warsaw University of Technology, Poland) – Metaphysics of Existential Quantification. Is Analytical Philosophy the Future of Metaphysics?
  9. Hannes Leitgeb (University of Munich, Germany) – Metaphysics as Rational Reconstruction
  10. Øystein Linnebo (University of Oslo, Norway) – Generality Explained: A Truth-Maker Semantics
  11. Anna-Sofia Maurin (University of Gothenburg, Sweden) – Categorial Conundrums: the Trope
  12. Kris McDaniel (Syracuse University, USA) – Van Inwagen and Being
  13. Uwe Meixner (University of Augsburg, Germany) – Metaphysical Differences
  14. Friederike Moltmann (French National Centre for Scientific Research, France; New York University, USA) – Natural Language Ontology
  15. Kevin Mulligan (University of Geneva, Switzerland) – “Modes of Being” and the Mind
  16. Stephen Mumford (Durham University, UK) – In Defence of Free Will
  17. Joanna Odrowąż-Sypniewska (University of Warsaw, Poland) – The Problem of the Many and Ontic Vagueness
  18. Francesco Orilla (University of Macerata, Italy) – Van Inwagen’s Approach to Relations and the
    Theory of O-roles
  19. Carl Posy (The Hebrew University of Jerusalem, Israel) – Inside the Metaphysical
  20. Gonzalo Rodriguez-Pereyra (University of Oxford, UK) – Must the Probability of Nothing
    Existing Be 0?
  21. Benjamin Schnieder (University of Hamburg, Germany) – The Relevance of Grounds
  22. Stewart Shapiro (Ohio State University, USA) – Potential Infinity: a Modal Account (joint work with Øystein Linnebo)
  23. Gila Sher (University of California, San Diego, USA) – Metaphysics and Human Cognition: A New Approach to a Classical Question
  24. Peter Simons (University of Dublin, Ireland) – The Concept of Organism and Degrees of Composition
  25. Meghan Sullivan (University of Notre Dame, USA) – Persistence for Human and Divine Bodies
  26. Alfredo Tomasetta (University of Bergamo, Italy) – The Vat Matters. A Defence of Animalism
    from the Remnant-Person Problem
  27. Achille Varzi (Columbia University, USA) – De re and De dicto
  28. Takashi Yagisawa (California State University, Northridge, USA) – Imagining Fictional Characters
  29. Dean Zimmerman (Rutgers University, New Brunswick, USA) – Van Inwagen, Vagueness, and the Problem of No Best World

(The list will be continuosly updated)