Video Overcoming Barriers to Flipped Training By Jon Bergmann Friday, September 29, 2017 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Member-Only Content Jon Bergmann speaks on overcoming barriers to flipped learning. To access this content Join ATD or sign in. Sign In