Video The Happiness Advantage at Work Re-writing the Formula for Success By Devin Hughes Tuesday, February 21, 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 Creating a happy and engaged culture requires leaders and their organizations to embrace a new formula for success. You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In