Colin Galen

@colingalen Inactive +0.5%

Colin Galen is a CS Fundamentals YouTube channel with 300K subscribers. As of October 2026, it has published 134 videos with 12.1M total views (~569.3K per video), and a 5.94% engagement rate — top 6% of CS Fundamentals educators. It covers LeetCode & DSA and uploads on an irregular basis.

General videos about learning and maximizing your brain's power (for now) Some stats (competitive programming stuff): Codeforces (max. rating): 2657 - international grandmaster Codechef (max. rating): 2555 - 7 stars ICPC progress: world finalist '23, ranked 3rd and silver medal in NAC (all of US + Canada) IOI progress: USACO camp/finalist '21 Best leetcode contest rank: 4th (weekly 323) Best kickstart rank: 10th (twice)

Channel Statistics

300K Subscribers

134 Videos

12.1M Total Views

569.3K Avg Views

33K Avg Likes

812 Avg Comments

5.94% Engagement Rate

sporadic Upload Frequency

Top 6% engagement among 561 channels in CS Fundamentals

Connect with Colin Galen

Website Discord LinkedIn

Technologies Taught

Best LeetCode & DSA Videos Sponsor LeetCode & DSA creators

More educators from the United States (3047 channels) →

Content Style

5 Long-form

2h 6m Avg Duration

30-Day Growth

+0.5% Subscribers

-- Views

Featured Video

CS Fundamentals Advanced Long Form

View on YouTube

Colin Galen (@colingalen) is a cs fundamentals YouTube channel with 300K subscribers. With 134 videos and 12.1M total views, the channel averages 569.3K views per video. Colin Galen has an engagement rate of 5.94%, placing it in the top 6% of cs fundamentals educators on the platform. The channel uploads on a sporadic basis, making it a inactive creator in the developer education space. Colin Galen covers technologies including LeetCode & DSA.