Xi Wang is a Senior Machine Learning Engineer at HubSpot, where tenure includes roles as a Senior Modeler and Modeler, beginning in June 2018. Prior experience at HubSpot also includes a position as a Product Analyst from September 2017 to March 2018. Additionally, Xi Wang was a Fellow at Insight Data Science, contributing to the development of a predictive model for user engagement, and an Intern at SCITICS INC., where a renewal probability model was created for the American Marketing Association. Academic credentials include a Ph.D. in Physics from Brown University and a Bachelor's degree in Physics from the University of Science and Technology of China. Earlier research experience includes a post-doctoral role at Harvard University, focusing on bio-hybrid solar cell projects.