Searching for outside expertise? Explore our list of outside resources recommended by Kay and many other successful professionals.


  • The Tipping Point by Malcolm Gladwell
  • 7 Habits of Highly Effective People by Stephen Covey
  • What Color is Your Parachute? by Richard N. Bolles
  • The Best Advice I Ever Got by Katie Couric
  • Lean in: Women, Work, and the Will to Lead by Sheryl Sandberg
  • Influence Without Authority by Allen R. Cohen, David L. Bradford
  • 5 Love Languages by Gary D Chapman
  • The Hard Thing About Hard Things by Ben Horowitz
  • Do What You Are Paul by D. Tieger
  • The Element by Ken Robinson, Lou Aronica
  • Linchpin by Seth Godin