No entrepreneur, no matter how talented, makes it on their own. There are mentors, teachers, and partners throughout every successful professional career, without whom none of it would have been possible. So in celebration of Thanksgiving, we dug through the PandoMonthly archives to find the people our guests were most thankful for. Watch the video below to hear stories of who shaped the illustrious careers of Marc Andreessen, John Doerr, Henry Blodget, Phil Libin, and Jason Calacanis.

[Homepage photo by Yelena Sophia for PandoDaily]

[Video edited by David Holmes]

[Music by Science Teheran on SoundCloud]