POWER OF ATTORNEY
Published on November 19, 2007
Exhibit 24
CONFIRMING STATEMENT
This Statement confirms that the undersigned, Todd R. Fonner, has
authorized and designated each of Fred R. Donner, Stephen H. Weinstein, Mark A.
Wilcox, Diana R. Davies, Anthony E. Szydlowski and Jacqui van Beelen (each with
full power of substitution) to execute and file any Statements of Changes of
Beneficial Ownership of Securities (on Form 3, Form 4, Form 5) on the
undersigned's behalf (including any supplements or amendments thereto) that the
undersigned is required to file with the U.S. Securities and Exchange Commission
as a result of the undersigned's ownership of or transactions in securities of
RenaissanceRe Holdings Ltd. The authority of such persons under this Statement
shall continue until November 15, 2010, unless earlier revoked in writing. The
undersigned expressly acknowledges that none of the above persons is assuming
any of the undersigned's responsibilities to comply with Section 16 of the
Securities and Exchange Act of 1934.
Dated as of: November 15, 2007
/s/ Todd R. Fonner
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Todd R. Fonner