Meet the expertDr Erwin Alles, Lecturer in Interventional and Surgical Sciences Dr Erwin Alles is a lecturer in the department of Medical Physics and Biomedical Engineering at UCL, and a member of the Wellcome/EPSRC centre for Interventional and Surgical Sciences (WEISS). He has a theoretical and experimental background in acoustics, and his current research interests include optical ultrasound imaging, ultrasound image reconstruction, and multimodal and interventional imaging.View Erwin's UCL research profile