Greg Hogg
Greg Hogg is a Data Science YouTube channel with 309K subscribers. As of July 2026, it has published 1,327 videos with 72M total views (~9.1K per video), and a 3.31% engagement rate — top 28% of Data Science educators. It covers LeetCode & DSA, System Design and uploads on a daily basis.
Today, Greg is driven by a single mission: to help engineers master the complex technical skills required to land roles at the world’s leading tech companies. As the Founder and CEO of MLNOW Inc, he built Algomap.io, a platform that has supported over 100,000 users and successfully guided engineers into positions at Google, Meta, Amazon, and more. Greg is an expert in interview skills such as DSA, System Design, and AI, teaching his methods to over 700k engineers around the world. Greg and his
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Greg Hogg (@greghogg) is a data science YouTube channel with 309K subscribers. With 1327 videos and 72M total views, the channel averages 9.1K views per video. Greg Hogg has an engagement rate of 3.31%, placing it in the top 28% of data science educators on the platform. The channel uploads on a daily basis, making it a very active creator in the developer education space. Greg Hogg covers technologies including LeetCode & DSA, System Design.