Thomas F Krauss is a Professor of Photonics at the University of York. He completed his first degree in Optical Engineering at Cologne, Germany in 1992, followed by a PhD in Electrical Engineering in Glasgow, UK, in 1992. He held EPSRC and Royal Society Fellowships at Glasgow before becoming Chair of Optoelectronics at St Andrews in 2000. His pioneering research in photonic crystals (Nature 1996) was initially directed towards datacomms applications, where he led 2 EU grants and several large EPSRC awards. He moved to the University of York in 2012 where he redirected his activity towards optical biosensors and spun out a company, Phorest Diagnostics, in 2022. Thomas was awarded the Thomas Young Medal of the Institute of Physics in 2022.