Ciaran J. Lynn, PhD doctoral researcher, University of Birmingham, UK. He received his MSc in Engineering from Trinity College Dublin, Ireland and BE in Civil Engineering from University College Dublin, Ireland. His research interests lie in the areas of sustainable construction and the appropriate use of secondary and recycled materials, including in concrete, geotechnics, road pavements and ceramic applications. He is an active contributor in these areas, including publications on the use and environmental assessment of incinerated ashes as construction materials. He is currently involved in a number of ongoing projects focusing on sustainable concrete construction.