September 2018 – Prof Paul Connett with Dr Vyvyan Howard, former Professor of Bioimaging, Nano Systems Biology, Centre for Molecular Biosciences, University of Ulster and Declan Waugh, Environmental Scientist and Risk Management Consultant, author of a number of Fluoride Risk Assessments.
February 2018 – Prof Paul Connett
March 2017 – Prof Paul Connett with Dr Maria Claudianos, Australian dentist.
July 2016 – Prof Paul Connett
February 2015 – Prof Paul Connett and former senior Vice-President of the Union for the US EPA Dr William Hirzy
February 2014 – Prof Paul Connett
February – March 2013 – Prof Paul Connett
March – April 2011 – Prof Paul Connett
