Heidi Grant Halvorson

Heidi Grant Halvorson , PhD, is a social psychologist, speaker, and author of Succeed and Nine Things Successful People Do Differently . She is the associate director for the Motivation Science Center at the Columbia University Business School.

Heidi Grant Halvorson , PhD, is a social psychologist, speaker, and author of Succeed and Nine Things Successful People Do Differently . She is the associate director for the Motivation Science Center at the Columbia University Business School. See less