Sergei is a medical physicist and entrepreneur focused on bringing MRI to the point of care. Wellumio is the team behind Axana, an ultra-portable brain MRI that uses pulsed gradient-free mapping to enable bedside stroke imaging. He also co-founded Resonint, which builds tabletop MRI systems and courseware for hands-on education and rapid MR prototyping. Previously, Sergei developed imaging systems at the Victoria University of Wellington's Robinson Research Institute. He trained at McMaster University, worked on MRI coil development for Sentinel Medical, and completed industry fellowships at Tornado Medical. His current focus is advancing rapid stroke care.