Yu S is a Assistant Professor at Tarleton State University. Colleagues describe them as "I have worked with Sophia in different group projects. She has a good understanding of optimization and data science, and really is team player." and "I had finished a course project with Sophia in Non-linear Optimization Class. She has strong mathematical background and is able to grasp the key point of the algorithm and contents very soon. Recommend her to any related positions for prospective employers."