"There's a lot of common sense and good judgment we're looking for, and it's not easy to find, " says Rich Kaufman, former professional chair umpire, current director of officials for the U.S. Tennis Association (USTA) and chief umpire at the U.S. Open.

FORBES: How To Become A Chair Umpire

"Likely, " says James Poterba, president and CEO of the National Bureau of Economic Research, the official umpire of U.S. recessions.

FORBES: We Don't Have To Break The Record

The chair umpire at the U.S. Open has the best seat in the house--especially if there's yet another epic Rafael Nadal-Roger Federer final.

FORBES: How To Become A Chair Umpire