Some other YouTube channels I subscribed to and find interesting are

CrashCourse : https://www.youtube.com/channel/UCX6b17PVsYBQ0ip5gyeme-Q

Stanford Graduate School of Business : https://www.youtube.com/channel/UCGwuxdEeCf0TIA2RbPOj-8g

Kurzgesagt – In a Nutshell : https://www.youtube.com/channel/UCsXVk37bltHxD1rDPwtNM8Q

Y Combinator : https://www.youtube.com/channel/UCcefcZRL2oaA_uBNeo5UOWg