Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the following Registration Statements of The Corporate Executive Board Company of our reports dated February 25, 2005, with respect to the consolidated financial statements and schedule of The Corporate Executive Board Company, The Corporate Executive Board Company management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of The Corporate Executive Board Company, included in this Annual Report (Form 10-K) for the year ended December 31, 2004:
Registration Statements on Form S-3:
| Registration Number | Date Filed | |
| 333-55864 | February 20, 2001 | |
| 333-82642 | February 21, 2002 | |
| 333-113218 | March 15, 2004 |
Registration Statements on Form S-8:
| Name | Registration Number | Date Filed | ||
| Amended Directors’ Stock Plan | 333-74145 | March 9, 1999 | ||
| 1999 Stock Option Plan | 333-74145 | March 9, 1999 | ||
| Employee Stock Purchase Plan | 333-39832 | June 22, 2000 | ||
| 2001 Stock Option Plan | 333-67238 | August 10, 2001 | ||
| 2002 Non-Executive Stock Incentive Plan | 333-103538 | February 28, 2003 | ||
| 2004 Stock Incentive Plan | 333-117774 | July 30, 2004 |
/s/ Ernst & Young LLP
February 28, 2005