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                                                                      EXHIBIT 24


                                POWER OF ATTORNEY

            KNOW ALL MEN BY THESE PRESENTS, that each person whose signature
appears below hereby severally constitutes and appoints Andreas Eder, Hubert
Besner, and Robert Fratarcangelo, and each of them, his true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments (including post-effective amendments)
to this Registration Statement and all documents relating thereto, and to file
the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, full power and authority to do and perform each
and every act and thing necessary or advisable to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents, or his substituter substitutes, may lawfully do or cause to be done by
virtue hereof.

            Pursuant to the requirements of the Securities Act of 1933, this
Power of Attorney has been signed by the following persons in the capacities and
on the dates indicated.


                                                                         
September ________, 1998     /s/                                                               
                             ----------------------------------------------    Chairman of the
                                         Andreas Eder                          Board of
                                                                               Directors, Chief 
                                                                               Executive Officer


September ________, 1998     /s/                                               Director
                             ----------------------------------------------
                                         Tristan Libischer


September ________, 1998     /s/                                               Director
                             ----------------------------------------------
                                         Holger Timm


September ________, 1998     /s/                                               Director
                             ----------------------------------------------
                                         Hubert Besner


September ________, 1998     /s/                                               Director
                             ----------------------------------------------
                                         G.W. Norman Wareham


September ________, 1998     /s/                                               Director
                             ----------------------------------------------
                                         Robert Fratarcangelo



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September ________, 1998     /s/                                               
                             ----------------------------------------------    Principal
                                         Christian Moosmann                    Accounting and
                                                                               Financial Officer