Exhibit 24.1

Power of Attorney

Each person whose signature appears below hereby constitutes and appoints Edward
F. Lonergan and Joseph F. Smorada, and each of them, as his or her true and lawful attorneys-in-fact and agents, with full power of and substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all
capacities, to sign JohnsonDiversey, Inc.s Annual Report on Form 10-K for the fiscal year ended December 29, 2006, and any and all amendments thereto, and to file the same, with all exhibits and schedules thereto, and other documents
therewith, with the Securities and Exchange Commission, and hereby grants unto such attorneys-in-fact and agents full power and authority to do and perform each and every act and thing necessary or desirable to be done, as fully to all intents and
purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or his or her substitutes, may lawfully do or cause to be done by virtue hereof.

This Power of Attorney may be executed in multiple counterparts, each of which shall be deemed an original and all of which, when taken together, shall
constitute one and the same document.

IN WITNESS WHEREOF, the undersigned have
hereunto set their hands as of the 22ndday of March, 2007.



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|/s/ Edward F. Lonergan                                             |  |  |  | /s/ Joseph F. Smorada                                                 
|Edward F. Lonergan Chief Executive Officer, President
and Director |  |  |  | Joseph F. Smorada Executive Vice President and Chief
Financial Officer
|                                                                   |  | 
|/s/ Clive A. Newman                                                |  |  |  | /s/ S. Curtis Johnson III                                             
|Clive A. Newman Vice President and Corporate
Controller            |  |  |  | S. Curtis Johnson III Director and
Chairman                           
|                                                                   |  | 
|/s/ Todd C. Brown                                                  |  |  |  | /s/ Irene M. Esteves                                                  
|Todd C. Brown Director                                             |  |  |  | Irene M. Esteves Director                                             
|                                                                   |  | 
|/s/ Robert M. Howe                                                 |  |  |  | /s/ Helen Johnson-Leipold                                             
|Robert M. Howe Director                                            |  |  |  | Helen Johnson-Leipold Director                                        
|                                                                   |  | 
|/s/ Clifton D. Louis                                               |  |  |  | /s/ Neal R. Nottleson                                                 
|Clifton D. Louis Director                                          |  |  |  | Neal R. Nottleson Director                                            
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|/s/ Reto Wittwer                                                   |  |  |  |                                                                       
|Reto Wittwer Director                                              |  |  |  |