Shan Guan

Shan Guan is a highly skilled data analyst with extensive experience in marketing analytics and data optimization. Currently serving as Lead Data Analyst at Poshmark since July 2021, Shan has focused on areas such as new user acquisition, user retention marketing, and product analytics, while optimizing diverse marketing channels including TV, CTV, social media, and influencer campaigns. Previously, Shan worked as a Senior Data Science Analyst at Carat, where responsibilities included marketing spend optimization and multi-touch attribution analysis for clients like Jack in the Box and Pfizer. Early career roles as a Data Science Intern and Data Analyst Intern provided foundational experience in various analytical methods. Educational background consists of a Master of Arts in Statistics from Columbia University and a Bachelor of Science in Actuarial Science from UC Santa Barbara.