YouTube SEO Channel Manager

This position will be responsible for subscriber growth for several YouTube Channels that have yet to reach monetization status. Experience required.

The more established channel - Upgrade to see actual info is focused on attracting High Net Worth Investors and Family Offices

The other newer channel - Upgrade to see actual info is focused on online course and affiliate sales.

The channel manager will be responsible for research, SEO strategy, content strategies, subscriber interaction and ultimately driving subscriber growth.

Please reply to this post with
1) What tool is absolutely critical to grow a YouTube channel and
2) One person you think has mastered channel growth and what they do really well. Please don't include Mr. Beast or similar.

I look forward to hearing from you!