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https://datalemur.com/questionsNick Singh is the best-selling author of Ace the Data Science Interview, and founder of DataLemur.com – a free site to practice for Python, SQL, and Data Science Interviews. Previously, he worked at SafeGraph which specializes in geospatial analytics and location intelligence data, which is what sparked Nick's interest in alternative data and data-driven investing. Before SafeGraph, he worked at Facebook on the Growth Engineering team where he used data analytics to help optimize the New User Experience & User Onboarding flows for Facebook's Android app.
