The Home of Scrum.  This is where to start your Scrum journey:  The Scrum Guide, Open Assessments, Articles, Forums.

Gunther Verheyen - Scrum Caretaker

Gunther continues to be an inspiration to me and I am grateful for his leadership.

Geoff Watts - UK's leading Scrum Master & Leadership Coach

Geoff continues to challenge me to think differently, grow, and develop.

Scrum Master Toolbox - Vasco Duarte

This is my favorite Scrum podcast.  Vasco keeps the content fresh, relevant, and concise.  Go check it out!