33) "Classifying Life", European Planetary Science Conference, UCL, 12th September 2013.

32) "Natural Species in Biochemistry", Natural Kinds Workshop, IHPST, Paris, June 19th 2013.

31) "Making, Shaping Sorting Data, CHOSTM, University of Manchester, Feb 13th 2013.

30) "Domain Specificity in Protein Classification", Department of History and Philosophy of Science, University of Cambridge, 6th Feb 2013.

29) "On Conceptual Change and Classification", for Panel on Concepts and Ontology, Conceptual Change and Ontological Issues, Helsinki, Finland, 3-5th Dec 2012.

28) "Domain Specificity in Protein Classification", BSPS Ordinary Meeting LSE, November 26th 2012.

27) "Philosophical Problems of Identification and Classification in Biochemistry", UCD Departmental Research Seminar, Oct 25th 2012.

26) "Philosophical Problems of Identification and Classification in Biochemistry", PERSP Workshop III in Valencia 27th/28th September 2012.

25) “Are Natural Kinds and Natural Properties Distinct?” April 26th, UCD/TCD Irish Philosophy Conference at Ballymascanlon, Ireland.

24) "Biomolecular Classification", Objects, Kinds and Mechanisms in Biology, Department of Philosophy, University of Leeds, April 13th 2012.

23) "Biomolecular Classification", Panel on "Investigating practical impacts of descriptive categories" at Society for Philosophy of Science in Practice, with Brendan Clarke and Katie Kendig, 24th June 2011.

22) "Philosophical Lessons From Classification in Biochemistry", CHOSTM, Imperial College London, 16th December 2010.

21) "Philosophical Lessons From Classification in Biochemistry", STS Departmental Research Seminar, Oct 2010.

21) “Are Natural Kinds and Natural Properties Distinct?” Metaphysics of Science (and other related topics), Workshop, University Bristol March 30th 2010.

20) “The Identity of Dispositional and Categorical Properties” Metaphysics of Science Workshop, the University of Warsaw Poland, Jan 288h/29th 2010

19) “The Metaphysics of Determinable Kinds”, MOS 09 Conference, Nottingham, September 14th 2009.

18) “Natural Kinds and the Hierarchy Thesis”, British Society for the Philosophy of Science Annual Conference, July 2008.

17) “Natural Kinds and the Hierarchy Thesis”, Themes in the Metaphysics of Chemistry and Biology, Bristol June 23rd-25th 2008.

16) “Structural Realism and the Metaphysics of Natural Kinds”, Leeds HPS Research Seminar April 16th 2008.

15) “Determinable Kinds and higher-level Ontologies”, Themes in the Metaphysics of David Armstrong, University of Nottingham, 17th February 2008.

14) “Classifying Macromolecules” Nature and Its Classification, University of Birmingham, 14th October 2007.

13) “Natural Kinds, Causal Relata and Causal Relations”, The Joint Session of the Aristotelian Society and the Philosophy of Mind, 8th July 2007.

12) “Structural Realism & The Metaphysics of Natural Kinds”, The British Society for the Philosophy of Science Annual Conference, 6th July 2007.

11) “Natural Kinds and Natural Necessities”. Metaphysics of Science Workshop on “Natural Kinds” in Bristol, March 17th 2007.

10) “Natural Kinds & Symbiosis”, Bristol Departmental Work-in-Progress Seminar Jan 17th 2007.

9) “Naturalised Essences & The Special Sciences”. Cardiff Departmental Research Seminar Oct 12th 2006.

8) “Dispositions and Ceteris Paribus Laws: A Double Dilemma” Metaphysics in Science Conference, Birmingham, June 2006.

7) “The Janus-Faced Ceteris Paribus Condition: Why there is still a problem with provisos”, British Society for the Philosophy of Science Annual Conference, July 2005.

6) “Ceteris Paribus Laws and the Special Sciences”, Department of Philosophy, N.U.I. Maynooth, March 2005.

5) “What makes the Special Sciences Special: Exploring Scientific Methodology in the Special Sciences, Universities of Ireland Postgraduate Conference, Queens University Belfast, April 2004.

4) “Laws of a Psychological Nature”, Graduate Conference on The Mind at The University of Leeds, August 20th – 22nd, 2003.

3) “Towards a New Model of Explanation for the Special Sciences”, Causation & Explanation: A Homage to Wesley Salmon The European Society for Analytic Philosophy, Universitat Autonoma de Barcelona, on August 4-6th 2003.

2) “Rules of Thumb: Fingers Crossed” at the Scottish Philosophy Postgraduate Association Spring Conference in the University of Aberdeen, April 16th 2003.

1) “Real Beliefs” at the First Annual Irish Philosophy Research Conference in Trinity College Dublin, October 12th 2002.