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Heidi Grant Halvorson, Ph.D. is a motivational psychologist and author of the HBR Single Nine Things Successful People Do Differently and the book Succeed: How We Can Reach Our Goals (Hudson Street Press, 2011). Her personal blog, The Science of Success, can be found atwww.heidigranthalvorson.com. Dr. Halvorson is available for speaking and training. Follow her on Twitter @hghalvorson.
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