Jay Sim

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About

Jay Sim is pioneering the mechanics and design of magnetically responsive materials for next-generation medical robotics. His key research areas span hard-magnetic soft materials, electromagnetic actuation, and endovascular surgical devices. Sim’s most influential work, the 2023 review “Mechanics of hard-magnetic soft materials,” has already garnered 71 citations, establishing him as a leading voice in this emerging field. He has also advanced the development of electromagnetic-driven functional materials, exploring how EM fields can actuate soft robots, biomedical devices, and active metamaterials. Notably, Sim introduced the “Magnetic Milli-Spinner for Robotic Endovascular Surgery” (2025), a novel device designed to navigate the complex, high-flow environment of human vasculature—a major challenge for conventional catheters and tethered systems. This work addresses critical limitations in steerability and force transmission during endovascular procedures. With a growing body of work that bridges fundamental mechanics and translational biomedical engineering, Jay Sim is shaping the future of minimally invasive robotic surgery through innovative magnetic material design.