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David E. Usevitch is a pioneering roboticist whose research focuses on developing advanced robotic systems for high-precision medical interventions, particularly in ophthalmology, otology, and spinal procedures. His major contributions include the development of the Steady-Hand Eye Robot (SHER 3.0), a cooperatively controlled system optimized for subretinal injection—a procedure critical for treating currently incurable retinal conditions. This work, cited 21 times, demonstrates how robotic assistance can overcome human motor limitations in microsurgery. Usevitch has also advanced cochlear implant surgery by showing that magnetic steering of robotically inserted electrode arrays significantly reduces forces on the basilar membrane (18 citations), potentially improving hearing preservation outcomes. Additionally, he designed a lightweight, MR-conditional robot for lumbar spinal injections, addressing lower back pain treatment with a compact 0.8 kg system. His comparative study of serial and parallel cooperative robots for retinal surgery (5 citations) provides essential insights into human-robot interaction design. Most recently, Usevitch developed a data-driven model with hysteresis compensation for the I²RIS snake-like robot, enabling greater dexterity in confined intraocular spaces. His work consistently bridges engineering innovation and clinical need, making him a leading figure in medical robotics.