CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos.
333-161844, 333-159900, 333-158632, 333-49580, 333-73147, 333-111038, 333-146346 and 333-108696 and
Form S-3 No. 333-99429 and related Prospectus) of our reports dated June 29, 2010, with respect to
the consolidated financial statements of Korn/Ferry International and the effectiveness of internal
control over financial reporting of Korn/Ferry International and subsidiaries included in this
Annual Report (Form 10-K) for the year ended April 30, 2010.
/s/ Ernst & Young LLP
Los Angeles, California
June 29, 2010