Exhibit 24 BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ David Yarnell - ------------------------------- David Yarnell BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ Don W. Hays - ------------------------------- Don W. Hays BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ Peter J. Mihajlov - ------------------------------- Peter J. Mihajlov BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ Philip A. Roberts - ------------------------------- Philip A. Roberts BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ John P. Whaley - ------------------------------- John P. Whaley BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ Paul Zepf - ------------------------------- Paul Zepf BUCA, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER -------------------------------------------- KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or officer of BUCA, Inc., a Minnesota corporation, does hereby make, constitute and appoint Joseph P. Micatrotto and Greg A. Gadel, and each or any of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution and resubstitution for the undersigned in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Company to the Registration Statement or Registration Statements on Form S-8 relating to the 1996 Stock Incentive Plan of BUCA, Inc. and Affiliated Companies, as amended, and all amendments (including post-effective amendments) thereto, to be filed by said Company with the Securities and Exchange Commission, and to file the same, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the power herein expressly granted, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact, or either of them, or any of their substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 17th day of October, 2000. /s/ Joseph P. Micatrotto - ------------------------------- Joseph P. Micatrotto