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                                    Form 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                        Report of Foreign Private Issuer

                        Pursuant to Rule 13a-16 or 15d-16
                     of the Securities Exchange Act of 1934

                         For the month of January, 2007

                              CONVERIUM HOLDING AG
                 -----------------------------------------------
                 (Translation of registrant's name into English)

                                 Dammstrasse 19
                                   CH-6301 Zug
                                   Switzerland
                    ----------------------------------------
                    (Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports
under cover Form 20-F or Form 40-F.

                        Form 20-F   X    Form 40-F
                                  -----            -----

Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                              Yes        No    X
                                  -----      -----

If "Yes" is marked, indicate the file number assigned to the registrant in
connection with Rule 12g3-2(b):  82-   Not Applicable





Converium Holding Ltd, Zug

Zug, Switzerland - January 31, 2007 - Converium announces changes to its Global
Executive Committee

o    Jakob  Eugster  joins  Converium as Executive  Vice  President for Standard
     Property & Casualty Reinsurance

o    Benjamin  Gentsch,  Executive Vice President for Specialty  Lines,  assumes
     additional responsibility for Life & Health Reinsurance

Converium announces that Jakob Eugster has been appointed as a new member of the
Company's Global Executive Committee,  effective February 1, 2007. Jakob Eugster
will be responsible for Converium's  Standard Property & Casualty  business.  He
replaces Frank Schaar who will leave Converium.

Jakob Eugster, 52, a Swiss citizen, most recently served as Managing Director of
Benfield Germany, based in Munich. He accepted the position in 2002, following a
27 years career at Swiss Re in Zurich. Converium further announces that Benjamin
Gentsch, 46, Member of Converium's Global Executive Committee and Executive Vice
President for Specialty Lines,  will assume  additional  responsibility  for the
Company's Life & Health business.  Benjamin Gentsch replaces  Christoph Ludemann
who will leave Converium.

Inga Beale, CEO, commented:  "I would like to thank Christoph Ludemann and Frank
Schaar for their  valued  contributions  to Converium  over the years and,  more
recently, to the successful turnaround. I wish Christoph and Frank every success
in their future endeavors."

"I am delighted that Jakob Eugster is joining Converium as the new leader of our
Standard  Property  &  Casualty  business.  Jakob has worked for more than three
decades in the reinsurance  industry with an impressive  track record.  His vast
experience  and proven skills will be invaluable  for Converium in achieving our
ambitious targets for profitable growth."

"I am also very pleased that  Benjamin  Gentsch has agreed to assume an expanded
role within our  leadership  team.  Based on his in-depth  market  knowledge and
previous  experience  in Life & Health  reinsurance  Benjamin  and his team will
identify  and capture  growth  opportunities  in existing  and new Life & Health
markets and products.  In addition,  he will continue to focus on developing our
global specialty book of business."

CVs:

Jakob Eugster is Converium's  Executive  Vice President for Standard  Property &
Casualty Reinsurance, effective February 1, 2007. After finishing his studies in
Sargans/Switzerland,  he started his  reinsurance  career in 1974 at Swiss Re in
Zurich,  with a focus on the  German  market.  Jakob  Eugster  later  became the
assistant   to  Swiss  Re's  CEO  before   assuming   the  client   relationship
responsibility  for Switzerland and Austria.  In 1998 he was appointed Member of
the Executive Team of Swiss Re's Europe division, taking charge of the Swiss and
Austrian markets as well as selected German clients. From 2002 to 2005 he served
as  Managing  Director  of the German  office of  Benfield,  one of the  world's
leading  reinsurance  brokers.  In this Munich-based role he was responsible for
developing  Benfield's  German,  Swiss and Austrian  markets.  From 1993 to 1995
Jakob Eugster  attended the  University of St. Gallen  International  Management
Seminar for insurance industry executives.

Benjamin  Gentsch is the Executive Vice President for Specialty Lines and, since
February 1, 2007, for Life & Health Reinsurance. In 1998, he joined Zurich Re as
the  Chief  Underwriting  Officer  Overseas  where  he was  given  the  task  of
strengthening the company's position in the Asian, Australian, African and Latin
American markets. In addition, he took charge of the Global Aviation reinsurance
department  and built up the  Professional  Risk and Global  Marine  reinsurance
departments.  In September 2002,  Benjamin Gentsch was appointed Chief Executive
Officer of Converium Zurich. Between 1986 and 1998, he held various positions at
Union Reinsurance Company, Zurich, where from 1990 he was responsible for treaty
reinsurance business in Asia and Australia. He is a director of Global Aerospace




Underwriting  Managers  Ltd.  (GAUM) and  Medical  Defense  Union  Services  Ltd
(MDUSL).  Benjamin  Gentsch  holds a degree in  business  administration  of the
University of St. Gallen, with a focus on risk management and insurance.

Converium has made it a policy not to provide any  quarterly or annual  earnings
guidance and it will not update any past  outlooks for  full-year  earnings.  It
will,  however,  continue to provide  investors with  perspectives  on its value
drivers, certain financial guidance for the full year, its strategic initiatives
and  those  factors  critical  to  understanding   its  business  and  operating
environment.

Enquiries

Beat W. Werder                    Marco Circelli
Head of Public Relations          Head of Investor Relations

beat.werder@converium.com         marco.circelli@converium.com
Phone: +41 (0) 44 639 90 22       Phone: +41 (0) 44 639 91 31
Fax:   +41 (0) 44 639 70 22       Fax:   +41 (0) 44 639 71 31


Dr. Kai-Uwe Schanz
Chief Communication &
Corporate Development Officer

kai-uwe.schanz@converium.com
Phone: +41 (0) 44 639 90 35
Fax:   +41 (0) 44 639 70 35


About Converium

Converium is an independent  international  multi-line  reinsurer  known for its
innovation,  professionalism  and service.  Today  Converium  employs  about 500
people in 15 offices  around  the globe and is  organized  into  three  business
segments:  Standard Property & Casualty Reinsurance,  Specialty Lines and Life &
Health  Reinsurance.  Converium has a "BBB+"  financial  strength rating (Credit
Watch  positive) from Standard & Poor's and a "B++"  financial  strength  rating
(outlook positive) from A.M. Best Company.

Important Disclaimer

This document contains forward-looking statements as defined in the U.S. Private
Securities Litigation Reform Act of 1995. It contains forward-looking statements
and  information  relating  to the  Company's  financial  condition,  results of
operations,   business,   strategy  and  plans,  based  on  currently  available
information. These statements are often, but not always, made through the use of
words or phrases such as `seek to',  `expects',  `should continue',  `believes',
`anticipates',   `estimates'   and  `intends'.   The  specific   forward-looking
statements cover, among other matters, the Company's internal review and related
restatement,  the reinsurance market, the Company's  operating results,  certain
financial guidance,  e.g. related to the tax rate of the Company,  the reduction
of North American net reserves, the acquisition costs ratio and the costs of the
Corporate Center,  the rating environment and the prospect for improving results
and expense reductions.  Such statements are inherently subject to certain risks
and uncertainties. Actual future results and trends could differ materially from
those set forth in such statements due to various factors.  Such factors include
the impact of our ratings  downgrade or a further lowering or loss of one of our
financial  strength  ratings;  the impact of the  restatement on our ratings and
client  relationships;  uncertainties  of  assumptions  used  in  our  reserving
process;  risk  associated  with  implementing  our business  strategies and our
capital  improvement  measures and the run-off of our North  American  business;
cyclicality of the reinsurance industry;  the occurrence of natural and man-made
catastrophic  events with a frequency or severity exceeding our estimates;  acts
of terrorism and acts of war; changes in economic conditions, including interest
and currency rate conditions that could affect our investment portfolio; actions
of competitors,  including  industry  consolidation and development of competing
financial  products;  a decrease in the level of demand for our  reinsurance  or
increased  competition in our industries or markets; a loss of our key employees
or executive  officers  without suitable  replacements  being recruited within a
suitable  period of time;  our ability to address  material  weaknesses  we have
identified in our internal control environment; political risks in the countries
in which we operate or in which we reinsure  risks;  the  passage of  additional
legislation or the  promulgation of new regulation in a jurisdiction in which we




or our clients operate or where our subsidiaries are organized; the effect on us
and the insurance industry as a result of the  investigations  being carried out
by the US Securities and Exchange  Commission,  New York's Attorney  General and
other  governmental  authorities;  changes in our investment  results due to the
changed  composition of our invested assets or changes in our investment policy;
failure of our  retrocessional  reinsurers to honor their obligations or changes
in the  credit  worthiness  of our  reinsurers;  our  failure  to prevail in any
current or future arbitration or litigation;  and extraordinary events affecting
our  clients,  such as  bankruptcies  and  liquidations,  and  other  risks  and
uncertainties,  including those detailed in the Company's  filings with the U.S.
Securities and Exchange Commission and the SWX Swiss Exchange.  The Company does
not assume any obligation to update any forward-looking statements, whether as a
result of new information, future events or otherwise.






SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.


                                               CONVERIUM HOLDING AG




                                               By:  /s/ Inga Beale
                                                    Name:  Inga Beale
                                                    Title: CEO




                                               By:  /s/ Christian Felderer
                                               Name:  Christian Felderer
                                               Title: General Legal Counsel



Date: January 31, 2007