Peter Burns is Professor of Medical Biophysics and Radiology at the University of Toronto and Senior Scientist at Sunnybrook Research Institute. He took first class honours in Theoretical Physics, followed by a PhD in Medicine at the University of Bristol. He moved to the US in 1984 as Assistant Professor of Radiology at Yale University, moving to Canada in 1991. His research focuses on blood flow detection with Doppler ultrasound, where he was part of original efforts to detect tumour perfusion, and with microbubble contrast agents, where he developed new techniques, including harmonic and pulse inversion imaging. He has published five books and more than 200 scientific papers. He is recipient of the UMB Clinical Prize, the WFUMB Pioneer Award, the Ian Donald Gold Medal and the William Fry Memorial Award of the AIUM and the Distinguished Lecturer Award of the IEEE. He is fellow of the AIUM, honourary member of the Italian, Canadian, Chilean and Iranian Societies of Radiology, and proud honourary member of ASUM.