8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant To Section 13 or 15 (d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) May 20, 2009

ACE LIMITED

(Exact name of registrant as specified in its charter)

Switzerland	1-11778	98-0091805
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

Bärengasse 32

Zurich, Switzerland CH-8001

(Address of principal executive offices)

Registrant’s telephone number, including area code: +41 (0)43 456 76 00

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure

On May 20, 2009, the company announced that Brian Dowd, Chief Executive Officer, Insurance – North America, has been named to the additional position of Vice Chairman, ACE Limited and ACE Group Holdings. A copy of the press release for such announcement is set forth as Exhibit 99.1 hereto.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit Number	Description
99.1	Press Release dated May 20, 2009

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.

ACE LIMITED
By:	/s/ Robert F. Cusumano
	Robert F. Cusumano
	General Counsel

DATE: May 22, 2009

EXHIBIT INDEX

Number	Description	Method of Filing
99.1	Press Release dated May 20, 2009	Furnished herewith

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE

Investor Contact:	Helen M. Wilson
	(441) 299-9283
	helen.wilson@acegroup.com
Media Contact:	Stephen M. Wasdick
	(212) 827-4444
	stephen.wasdick@acegroup.com

ACE NAMES BRIAN DOWD VICE CHAIRMAN

ZURICH, Switzerland – May 20, 2009 — ACE Limited (NYSE: ACE) announced today that Brian Dowd, Chief Executive Officer, Insurance – North America, has been named to the additional position of Vice Chairman, ACE Limited and ACE Group Holdings.

In addition to his current responsibilities, which encompass ACE’s property and casualty insurance operations in the United States, Canada and Bermuda, Mr. Dowd will now assume corporatewide executive responsibility for the ACE Group’s global product underwriting boards and the strategy and purchase of the company’s reinsurance programs.

“We are pleased to name Brian vice chairman in recognition of the major contributions he has made to our company and to acknowledge the important role he will continue to play in our company’s further growth and development,” said Evan G. Greenberg, Chairman and Chief Executive Officer, ACE Limited. “We have benefited greatly from Brian’s leadership, underwriting judgment and thoughtful approach to building our North American franchise. I consider Brian, together with John Keogh, who heads our international insurance operations, my senior partners in running ACE’s global insurance business.”

Mr. Dowd joined ACE in 1995 and has held a number of senior management positions with the company including President and Chief Executive Officer of ACE Westchester, President of ACE Specialty P&C Group, Senior Vice President of Property for ACE Bermuda and, most recently, Chairman and Chief Executive Officer of ACE USA.

The ACE Group is a global leader in insurance and reinsurance serving a diverse group of clients. Headed by ACE Limited, the ACE Group conducts its business on a worldwide basis with operating subsidiaries in more than 50 countries. Additional information can be found at: www.acelimited.com.

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