Exhibit 24 to 2002 10-K POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ JOHN F. BARRETT ---------------------------------------- John F. Barrett Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ GARY C. BUTLER ---------------------------------------- Gary C. Butler Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ DAVID B. DILLON ---------------------------------------- David B. Dillon Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ ERIC C. FAST ---------------------------------------- Eric C. Fast Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ JOSEPH E. GIBBS ---------------------------------------- Joseph E. Gibbs Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ ROGER L. HOWE ---------------------------------------- Roger L. Howe Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ STEVEN C. MASON ---------------------------------------- Steven C. Mason Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ PHILIP A. ODEEN ---------------------------------------- Philip A. Odeen Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is an officer of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ STEVEN G. ROLLS ---------------------------------------- Steven G. Rolls Chief Financial Officer POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ JAMES F. ORR ---------------------------------------- James F. Orr Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is an officer of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr and Steven G. Rolls, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ WILLIAM H. HAWKINS II ---------------------------------------- William H. Hawkins II General Counsel and Secretary POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is an officer of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ MICHAEL D. JONES ---------------------------------------- Michael D. Jones Vice President and Controller POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ JAMES M. ZIMMERMAN ---------------------------------------- James M. Zimmerman Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafter referred to as the "Company"), proposes shortly to file with the Securities and Exchange Commission under the provisions of the Securities Exchange Act of 1934, as amended, and the Rules and Regulations thereunder, an annual report on Form 10-K for the year ended December 31, 2002; and WHEREAS, the undersigned is a director of the Company; NOW, THEREFORE, the undersigned hereby constitutes and appoints James F. Orr, Steven G. Rolls and William H. Hawkins II, and each of them singly, his attorneys for him and in his name, place and stead, and in his office and capacity in the Company, to execute and file such annual report on Form 10-K, and thereafter to execute and file any amendments or supplements thereto, hereby giving and granting to said attorneys full power and authority to do and perform each and every act and thing whatsoever requisite and necessary to be done in and about the premises as fully to all intents and purposes as he might or could do if personally present at the doing thereof, hereby ratifying and confirming all that said attorneys may or shall lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 25th day of February, 2003. /s/ SIDNEY A. RIBEAU ---------------------------------------- Sidney A. Ribeau Director