**Exhibit 24 to 2007 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 Securitiesand 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, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, her attorneys for her and in her name, place and stead, and in heroffice 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 andperform 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 she might or could do if personally present at the doing thereof, hereby ratifying and confirmingall that said attorneys may or shall lawfully do or cause to be done by virtue hereof.**

**IN WITNESS WHEREOF, the undersigned hashereunto set her hand this 19th day of February, 2008.**

 

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 19th day of February, 2008.**

 

**/s/ John F. Barrett**
**John F. Barrett****Director**

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 19th day of February, 2008.**

 

**/s/ David B. Dillon**
**David B. Dillon****Director**

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 15th day of February, 2008.**

 

**/s/ Joseph E. Gibbs**
**Joseph E. Gibbs****Director**

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 19th day of February, 2008.**

 

**/s/ Steven C. Mason**
**Steven C. Mason****Director**

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Earl C. Shanks and Karen R. Bowman, and each of them singly, his attorneys for him andin 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 attorneysfull 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 WITNESSWHEREOF, the undersigned has hereunto set his hand this 19th day of February, 2008.**

 

**/s/ Thomas L. Monahan III**
**Thomas L. Monahan III****Director**

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Earl C. Shanks and Karen R. Bowman, and each of them singly, his attorneys for him andin 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 attorneysfull 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 WITNESSWHEREOF, the undersigned has hereunto set his hand this 19th day of February, 2008.**

 

**/s/ Philip A. Odeen**
**Philip A. Odeen****Director****Non-Executive Chairman**
 

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 18th day of February, 2008.**

 

**/s/ Sidney A. Ribeau**
**Sidney A. Ribeau****Director**
 

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 19th day of February, 2008.**

 

**/s/ Richard F. Wallman**
**Richard F. Wallman****Director**
 

**POWER OF ATTORNEY**

**KNOW ALL MEN BY THESE PRESENTS:**

**WHEREAS, CONVERGYS CORPORATION, an Ohio corporation (hereinafterreferred 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 Form10-K for the year ended December 31, 2007; and**

**WHEREAS, the undersigned is a director of the Company;**

**NOW, THEREFORE, the undersigned hereby constitutes and appoints Philip A. Odeen, Earl C. Shanks and Karen R. Bowman, and each of them singly, hisattorneys 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 andgranting 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 personallypresent 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 22nd day of February, 2008.**

 

**/s/ David R. Whitwam**
**David R. Whitwam****Director**