By Ashley Goodall

By Eduardo Briceno

By Vivek Iyyani

By Holly Ransom

By Maura Thomas

By Lt Col Langley Sharp

By Huggy Rao and Robert I. Sutton

By John Howkins

By Jaime Roca and Sari Wilde

By Sam Walker

By Bethany McLean and Joe Nocera

By Rich Diviney

By Chris Lee

By Hasard Lee

By General Stanley McChrystal and David Silverman and Tantum Collins and Chris Fussell

By Shermin Kruse

By Norah Breekveldt

By General Stanley McChrystal

By General Stanley McChrystal

By Stephen Thomas

By DK

By Jennifer Dulski

By DK

By DK

By Jean Oelwang

By Anne Helen Petersen and Charlie Warzel

By DK

By Mette Johansson

By Jaclyn Lee and Jovina Ang

By Simon Birkenhead

By DK

By Jason Jennings

By Keith Ferrazzi

By Mark C. Crowley

By DK

By Stanley McChrystal and Jeff Eggers and Jason Mangone

By Tessa West

By Jeremy Utley and Perry Klebahn

By Nick Grono

By Rene Boer and Gino Wickman

By Kirstin Ferguson

By Gino Wickman and Mike Paton

By Kees Dorst

By Peter Sheahan

By Marcel Daane

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By Greg Hoffman

By Mollie Rogers Jean De Dieu

By Michael Chad Hoeppner

By Keith Murningham

By Ranjay Gulati

By Cynthia M. Beath and Barbara H. Wixom

By Paul Axtell

By Aaron Dignan

By Aaron Dignan

By Dr. Benjamin Hardy

By Suzi McAlpine

By Captain Sandy Yawn and Samantha Marshall

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By Duncan Hewett

By Alastair Campbell

By Julie Zhuo

By Damian Hughes and Jake Humphrey

By Scott Walker

By Ian Taylor

By Simon Sinek

By Bonnie Hayden Cheng

By Anne-Laure Le Cunff

By Calum Nicholas

By Lottie Dalziel

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By Greg McKeown

By Terry Szuplat

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By Harold Hillman

By Andrea Clarke

By Zig Ziglar

By Peter L. Bernstein

By Adrienne Adhami

By Gary Vaynerchuk