Dr. Brian Kelleher completed his PhD on the development of sorbents for organic compounds in 2001, working under the supervision of Dr. Tom O’Dwyer in the University of Limerick. From 2001 to 2002 he was a Project Manager for an EPA (Ireland) funded research project that resulted in a successful demonstration of the fluidised bed combustion of animal waste to produce heat and electricity. He was a Postdoctoral Researcher in the Department of Plant and Soil Sciences, Mississippi State University from 2002 to 2004, working with Prof. William Kingery on Catalytic activity of enzymes immobilised on organo-minerals. From 2004 to 2005 he was a Postdoctoral Researcher in the Dept. of Physical and Environmental Sciences, University of Toronto. His research involved the set-up and method development of advanced analytical hyphenated methods: Liquid Chromatography (LC)- Mass Spectroscopy (MS)-Solid Phase Extraction (SPE)- Nuclear Magnetic Resonance (NMR). Since then, he is a Lecturer in the School of Chemical Sciences in Dublin City University.