EXHIBIT 24.1



                                POWER OF ATTORNEY

           KNOW ALL PERSONS BY THESE PRESENTS: That the undersigned hereby
constitutes and appoints Stig Johansson, Joachim W. Bauer, Kees van Ophem, Neil
E. Craven, Eugene A. Rizzo and Terje Nordahl and each of them (with full power
to act alone) the undersigned's true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for and in the name and on behalf
of the undersigned, to execute any and all instruments and documents, and to do
any and all other acts and things, that any such attorney-in-fact and agent may
deem necessary or advisable, in compliance with the Securities Act of 1933, as
amended (the "Securities Act"), the Securities Exchange Act of 1934, as amended
and any rules, regulations and requirements of the Securities and Exchange
Commission (the "Commission") in respect thereof, in connection with the
registration under the Securities Act of common stock by Carrier1 International
S.A. (the "Common Stock") pursuant to a registration statement on Form S-1 (the
"Registration Statement") to be filed with the Commission relating to an
underwritten offering to the public by Carrier1 International S.A. of its
capital stock (and any depositary receipts in respect thereof); including
specifically, but without limiting the generality of the foregoing, the power
and authority to execute, for and in the name and on behalf of the undersigned
in any and all capacities, the Registration Statement, and any and all
supplements and amendments (including, without limitation, any pre-effective and
post-effective amendments and any subsequent registration statements pursuant to
Rule 462(b) under the Securities Act) to such Registration Statement, and any
and all other instruments or documents filed as a part of, or in connection
with, such Registration Statement and supplements and amendments thereto
(including, without limitation, registration under the Securities Act of
depositary shares represented by American depositary receipts filed on Form
F-6); and the undersigned hereby ratifies and confirms all that such
attorneys-in-fact and agents, or any of them, shall do or cause to be done by
virtue hereof.

Signed this 31st day of December, 1999.



                                  /s/ Glenn M. Creamer
                                  ----------------------
                                  Name: Glenn M. Creamer