Mark Andrew Miodownik is a British materials scientist, engineer, broadcaster and writer at University College London. Previously, he was the head of the Materials Research Group at King's College London and a co-founder of Materials Library. Prof Miodownik is a materials engineer. He received his Ph.D in turbine jet engine alloys from Oxford University in 1996. Before joining UCL in Feb 2012 he worked in engineering research institutions in the USA, Ireland, and in the UK. He was included in the The Times 2010 list of the top 100 most influential people in science. He is a Chartered Engineer and in 2014 he was elected a Fellow of the Royal Academy of Engineering.

Prof Miodownik regularly gives popular talks on engineering and materials to tv, radio, festival, and school audiences. He gave the 2010 Royal Institution Christmas Lectures and presented a three part BBC4 series on materials science called "How it Works in Spring 2012". He writes for The Guardian and The Times, and he is a regular presenter of engineering TV programmes the BBC. In 2013 he was awarded the Rooke Medal by the Royal Academy of Engineering. His book Stuff Matters was published in June 2013 and won the Royal Society Winton Prize and the US National Academies Keck Futures Prize. In 2016 he was awarded the American Association for the Advancement of Science Prize for Public Engagement with Science.