Mark J. Whiting is Professor of Materials Ageing at the University of Surrey, UK. He is a Baptist lay leader and preacher with a psalm obsession. He is the author of the short book The Penitential Psalms Today: A Journey with Psalms 6, 32, 38, 51, 102, 130 and 143 (2022) and has written a number of papers and articles on interpreting and celebrating the psalms today.