If you haven’t tweeted with him yet, you may soon: Entrepreneur Adam Rifkin has taken connecting to a whole new level. We selected him by scouring LinkedIn to see who was tied to the most top people on Fortune’s lists.*

*From 2010 Fortune 500 CEOs, Fortune’s 50 Smartest People in Tech, Fortune’s 40 Under 40, and Fortune’s 50 Most Powerful Women.

Also on Fortune.com:

Does your boss know you’re job hunting?

The best networking email you’ll get all year

10 ways to use social media in your job hunt