Uploaded November 2023 | Updated September 2026, 2 weeks ago

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Betty Zhang is a data scientist currently working at a cloud security company, previously she was a data scientist at Amazon Web Services. Today we’ll talk about her computer vision projects in Sports, data science use cases in cyber security, from business major to data scientist, what’s her experience working in startups vs big tech companies. Subscribe to Daliana's newsletter on dalianaliu.com for more on data science and career.

Betty’s Linkedin: linkedin.com/in/betty-zhang-0bb63731
Daliana's Twitter: twitter.com/DalianaLiu
Daliana’s LinkedIn: linkedin.com/in/dalianaliu

00:00:00 Introduction
00:01:21 Computer Vision Project in Sports at AWS
00:12:28 Challenges in computer vision
00:14:02 Time allocation for ML projects
00:15:22 3 key skills for computer vision
00:17:20 From business analyst to ML engineer
00:18:14 How she got her data scientist job through Linkedin
00:21:32 How she got into Amazon
00:22:17 Three tech skills needed during Amazon interviews
00:26:11 Why she joined a Cyber Security startup
00:27:22 Three cybersecurity use cases
00:29:47 Anomaly detection
00:30:40 ML for cybersecurity
00:34:43 Tech stacks Amazon vs Startups
00:39:35 Startups vs big tech
00:45:56 Balance learning and impact
00:48:35 Advice for new data scientists