Xiaohui Ju, also known as Sophie Ju, is a leading researcher in micro and nanorobotics. She works as a postdoctoral fellow at CEITEC, Brno University of Technology in the Czech Republic. Her research focuses on designing nanomaterials and robots for biomedical and environmental applications, including targeted drug delivery and pollutant cleanup. She co-authored the 2025 ACS Nano technology roadmap on micro/nanorobots. Ju previously worked at Tsinghua University on viral protein studies. With over 1,000 citations, she is recognized globally for advancing tiny, intelligent machines that promise to revolutionize medicine and environmental care.