Yulin Lei is a skilled machine learning engineer with extensive experience in ads ranking and recommendation systems. At Pinterest, Yulin held the position of Staff Machine Learning Engineer in March 2024, following a role as a Senior Machine Learning Engineer. Prior to this, Yulin worked at JD.COM as a Machine Learning Engineer from January 2020 to January 2022, specializing in ads recommendation and ranking. Additional experience includes a role as a Data Scientist at Quantifind from July 2017 to January 2020 and an internship as a Statistical Programming Analyst at Genentech in the summer of 2016. Yulin holds a Master of Science degree in Statistical Science from Duke University and a Bachelor of Science degree in Mathematics and Applied Mathematics from Shanghai Jiao Tong University.
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