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About the channel
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 company have contracted with industry leaders including NVIDIA, Cohere, HP, and GitLab on AI projects. Greg has helped develop life-saving medical AI (with DeepBreathe), and built forecasting and fraud models for billion dollar enterprises (Loblaw and Economical Insurance). Greg was born in Ontario, Canada and currently lives in Toronto, where his company MLNOW Inc is based. He is a graduate of Canada's top tech school, UWaterloo, where he holds a Bachelor of Mathematics in Statistics.
Latest videos
Why won't Leetcode die already?
3.95K views · 08/13/2026
Who is Greg Hogg? (CEO of MLNOW Inc / Algomap.io) - Updated
3.82K views · 02/03/2026
A New Tool Just Changed ML Forever - Pecan AI
8.31K views · 11/16/2024
Add Binary - Leetcode 67 - Bit Manipulation (Python)
33.13K views · 08/22/2024
Single Number - Leetcode 136 - Bit Manipulation (Python)
23.4K views · 08/22/2024
Number of 1 Bits - Leetcode 191 - Bit Manipulation (Python)
15.75K views · 08/22/2024
Latest Shorts
What do you think is hardest category of Leetcode?
10.88K views · 08/24/2026
if you're a software dev... it's a crime to not be vibe-coding away your days.
6.07K views · 08/20/2026
"I know my stuff but I forget it during the interview".
5.23K views · 08/18/2026
Do what's required, not what you feel is right
4.12K views · 08/17/2026
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