"Get a mentor, take calculated risks, be a team player, respect everyone at every level, have a passion for what you do." - Ken Kaess, president and chief executive, DDB Worldwide
"Find something you love, do it with passion and belief and then enjoy every minute of it." - Carolyn McCall, chief executive, Guardian Newspapers
"Remember that you need your client more than your client needs you." - Matt Shepherd-Smith, chief operating officer, TBWA London.