1 POWER OF ATTORNEY The undersigned, Richard J. Ferris, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ RICHARD J. FERRIS --------------------- Richard J. Ferris EXHIBIT 24.1 2 POWER OF ATTORNEY The undersigned, Peter V. Ueberroth, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ PETER V. UEBERROTH ---------------------- Peter V. Ueberroth 3 POWER OF ATTORNEY The undersigned, William L. Perocchi, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ WILLIAM L. PEROCCHI ----------------------- William L. Perocchi 4 POWER OF ATTORNEY The undersigned, William R. Fatt, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ WILLIAM R. FATT --------------------- William R. Fatt 5 POWER OF ATTORNEY The undersigned, Dale F. Frey, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ DALE F. FREY ---------------- Dale F. Frey 6 POWER OF ATTORNEY The undersigned, Ronald Gamey, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ RONALD GAMEY ---------------- Ronald Gamey 7 POWER OF ATTORNEY The undersigned, Edward A. Gilhuly, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ EDWARD A. GILHULY --------------------- Edward A. Gilhuly 8 POWER OF ATTORNEY The undersigned, Norman Leventhal, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ NORMAN LEVENTHAL -------------------- Norman Leventhal 9 POWER OF ATTORNEY The undersigned, Michael W. Michelson, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ MICHAEL W. MICHELSON ------------------------ Michael W. Michelson 10 POWER OF ATTORNEY The undersigned, John H. Myers, does hereby constitute and appoint David L. Stivers and William L. Perocchi his true and lawful attorneys-in-fact and agents, with full power of substitution, whether acting individually or together, to sign the shelf Registration Statement on Form S-3 in connection with the sale of Doubletree Corporation's common stock by certain former stockholders of RFS, Inc., and any amendments or post-effective amendments to the Registration Statement, on his behalf, and to file the same, with any exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting to each of such attorneys-in-fact and agents full power and authority to do and perform each and every act requisite and necessary in connection with such matters and hereby ratifying and confirming all that each of such attorneys-in-fact and agents or his or her substitutes may do or cause to be done by virtue hereof. Such Power of Attorney shall remain in effect until it is revoked in writing by the undersigned. /s/ JOHN H. MYERS ----------------- John H. Myers