William X.

William X. is a Senior Machine Learning Engineer at TikTok, focusing on onboarding behavior modeling to enhance global growth. Prior experience includes roles as a Data Scientist II at Microsoft, where significant improvements in data storage and visualization systems were achieved, and as a Senior Applied Scientist at Outreach, leading research on Large Language Models for data annotation. William X. has also contributed to astrophysics through positions at the Smithsonian Astrophysical Observatory and various research roles, including a Research Intern at the Harvard-Smithsonian Center for Astrophysics. Educational qualifications include a Bachelor of Science in Astronomy from Nanjing University and a Master of Science in Computer Science and Engineering from Harvard University.