Congressional ranks of leadership
The study identified former staffers of the highest-ranking members of Congress. Below is the number of registered lobbyists in 2008 and 2009 who were former staffers of House and Senate leadership.
| In the Senate | Number of former staffers turned lobbyist | |
| Harry Reid, D-Nev., Senate majority leader | 13 |
|
| Dick Durbin, D-Ill., Senate majority whip | 8 |
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| Mitch McConnell, R-Ky., Senate minority leader | 5 |
|
| Jon Kyl, R-Ariz., Senate minority whip | 4 |
|
| In the House | Number of former staffers turned lobbyist | |
| Nancy Pelosi, D-Calif., Speaker of the house | 5 |
|
| Steny Hoyer, D-Md., House majority leader | 14 |
|
| James Clyburn, D-S.C., House majority whip | 3 |
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| John Boehner, R-Ohio, House minority leader | 4 |
|
| Eric Cantor, R-Va., House minority whip | 2 |
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