Nick Singh is the Founder and CEO of DataLemur. Thousands of data scientists, data analysts, and BI professionals use DataLemur daily to prepare for their technical interviews and land their dream jobs in data. Previously, he worked at Facebook and Google. These days, he's the creator of the SQL interview platform DataLemur.com, the best-selling author of "Ace the Data Science Interview," and avidly writes data science and career tips for his audience of 166k+ followers on LinkedIn.