Sheng Zhang, PhD, is a Machine Learning Engineer at LinkedIn, focusing on recommendation systems. They previously held internships as a Research Scientist Intern at Pacific Northwest National Laboratory, a Research Engineer Intern at GE, and an Applied Scientist Intern at Amazon, where they specialized in computational mathematics, probabilistic design, and optimization, respectively. Sheng is currently pursuing a PhD in Mathematics at Purdue University while holding a BS in Mathematics from Zhejiang University.