Jeff Li is a senior data scientist at Netflix, focusing on Ads forecast. Previously he was a data science manager at Spotify, worked on supply forecasting, demand forecasting, and data infrastructure. He studied business at the University of Southern California. We talked about Ads forecasting, career path as a manager vs IC, culture in Spotify vs Netflix vs Doordash.Subscribe to Daliana's newsletter on www.dalianaliu.com for more on data science and career. Jeff Li’s LinkedIn: https://www.linkedin.com/in/lijeffrey/ Daliana's Twitter: https://twitter.com/DalianaLiu Daliana's LinkedIn: https://www.linkedin.com/in/dalianaliu

(00:00:00) Introduction(00:00:45) Got into data science from poker and consulting(00:07:54) Ads forecasting at Netflix and Spotify(00:13:30) From IC to manager to IC(00:14:53) how to measure forecasting models(00:21:58) collaborating with stakeholders in sales(00:29:44) how he became an expert in ads forecasting(00:49:57) impact sizing at Doordash(00:57:34) Company culture differences (DoorDash, Spotify, Netflix)(01:12:47) how he wants to grow his career