Brian Foster is Donald H. Perkins Professor of Experimental Physics at the University of Oxford and is a Fellow of Balliol College. He graduated from London University in 1975 and obtained a D. Phil from Oxford in 1978. After postdoctoral positions at RAL and Imperial College London, he was appointed to a lectureship at the University of Bristol in 1984. Appointed Professor in 1996, Foster led the particle physics group at the University of Bristol until 2003, when he was appointed to his current position. Foster chaired the European Committee for Future Accelerators from 2002 – 2005. He was a member of the Particle Physics and Astronomy Research Council from 2001 - 2006. He was European Director for the International Linear Collider and subsequently the Linear Collider Collaboration from 2006-2017. Foster was awarded the Alexander von Humboldt Research Prize in 1999 and the Max Born Medal of the German Physical Society and the Institute of Physics in 2003. In 2010 Foster was awarded an Alexander von Humboldt Professorship at the University of Hamburg and DESY, from which he retired in 2019. He was elected a Fellow of the Royal Society in 2008 and was its Vice-President in 2018. He was made an Honorary Fellow of the Institute of Physics in 2020. Foster was appointed an Officer of the British Empire in 2003.