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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font face="Arial" size=2>&nbsp;</font></p>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font FACE="ARIAL" SIZE=2>UNITED STATES</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font FACE="ARIAL" SIZE=2>SECURITIES AND EXCHANGE COMMISSION</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font face="Arial" size=2>Washington, D.C. 20549</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font face="Arial" size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font face="Arial" size=2>_____________________</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font face="Arial" size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font FACE="ARIAL" SIZE=2>FORM 8-K</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font face="Arial" size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font FACE="ARIAL" SIZE=2>CURRENT REPORT</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font face="Arial" size=2>Pursuant to Section 13 or 15(d) of the </font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font face="Arial" size=2>Securities Exchange Act of 1934</font></b></p>

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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Date of report (Date of earliest event reported)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font face="Arial" size=2>January 20, 2010</font></u></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Marsh &amp; McLennan Companies, Inc.</font></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>(Exact Name of Registrant as Specified in Charter)</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Delaware</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>1-5998</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>36-2668272</font></p> </td> </tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>(State or Other Jurisdiction of Incorporation)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>(Commission File Number)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>(IRS Employer</font><br> <font face="Arial" size=2>Identification No.)</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>1166 Avenue of the Americas, New York, NY</font>                                                                                                            <font size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font face="Arial" size=2> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;10036</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>(Address of Principal Executive Offices)</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>&nbsp;&nbsp;&nbsp;(Zip Code)</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Registrant&#146;s telephone number, including area code</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><u><font face="Arial" size=2>(212) 345-5000</font></u></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.52in;text-align:left;'><font face="Arial" size=2>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:</font></p>

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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font face="Arial" size=2>Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:125.28%'><font face="Arial" size=2>Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font face="Arial" size=2>Item 5.02</font></b></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font face="Arial" size=2>Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</font></b></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font face="Arial" size=2>On January 20, 2010 the board of directors (the &#147;Board&#148;) of Marsh &amp; McLennan Companies, Inc. (&#147;MMC&#148;) elected H. Edward Hanway to the Board, effective immediately.  Mr. Hanway, 57, served as Chairman and Chief Executive Officer of CIGNA Corporation from 2000 to the end of 2009.</font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font face="Arial" size=2>The Board has determined that Mr. Hanway is an independent director for purposes of the New York Stock Exchange listed company standards and the independence standards set forth in MMC&#146;s guidelines for corporate governance. The Board has appointed Mr. Hanway to serve on its audit and corporate responsibility committees. </font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font face="Arial" size=2>As a non-management director, Mr. Hanway will be compensated as described under &#147;Board of Directors and Committees &#150; Director Compensation&#148; in MMC&#146;s proxy statement relating to its 2009 annual meeting of stockholders.</font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font face="Arial" size=2>A copy of MMC&#146;s press release, dated January 20, 2010, announcing Mr. Hanway&#146;s election is attached hereto as Exhibit 99.1 and incorporated herein by reference.</font></p>

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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font face="Arial" size=2>Financial Statements and Exhibits</font></b></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font face="Arial" size=2>Exhibits</font></b></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>99.1</font></p> </td>
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            <p style='margin-left:0pt;text-indent:3.0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Press release issued by Marsh &amp; McLennan Companies, Inc. on January 20, 2010.</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font FACE="ARIAL" SIZE=2>SIGNATURES</font></B></p>

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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.52in;text-align:left;'><font face="Arial" size=2>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 hereunto duly authorized.</font></p>

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<p style=' margin-bottom:0pt; margin-top:0pt; margin-left:2.25in; text-indent:0.45in;text-align:left;'><font face="Arial" size=2>MARSH &amp; McLENNAN COMPANIES, INC.</font></p>

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<p style='margin-left:0in;text-indent:0pt;text-align:left;margin-top:1.0pt;margin-bottom: 0in'><FONT FACE="Arial, Helvetica, Sans-Serif" SIZE="2">By: </FONT></p> </td>
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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><FONT FACE="Arial, Helvetica, Sans-Serif" SIZE="2">/s/ Luciana Fato </FONT></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Luciana Fato</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>January 20, 2010</font></p> </td> </tr></table>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>99.1</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font face="Arial" size=2>Press release issued by Marsh &amp; McLennan Companies, Inc. on January 20, 2010.</font></p> </td> </tr></table>
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{"company-data": {"conformed-name": "MARSH & MCLENNAN COMPANIES, INC.", "cik": "0000062709", "assigned-sic": "6411", "irs-number": "362668272", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-05998", "film-number": "10534945"}, "business-address": {"street1": "1166 AVENUE OF THE AMERICAS", "city": "NEW YORK", "state": "NY", "zip": "10036", "phone": "2123455000"}, "mail-address": {"street1": "1166 AVENUE OF THE AMERICAS", "city": "NEW YORK", "state": "NY", "zip": "10036"}, "former-company": [{"former-conformed-name": "MARSH & MCLENNAN COMPANIES INC", "date-changed": "19920703"}, {"former-conformed-name": "MARLENNAN CORP", "date-changed": "19760505"}]}
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)
January 20, 2010
Marsh & McLennan Companies, Inc.
(Exact Name of Registrant as Specified in Charter)
Delaware
1-5998
36-2668272
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
1166 Avenue of the Americas, New York, NY
10036
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code
(212) 345-5000
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:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
On January 20, 2010 the board of directors (the "Board") of Marsh & McLennan Companies, Inc. ("MMC") elected H. Edward Hanway to the Board, effective immediately.  Mr. Hanway, 57, served as Chairman and Chief Executive Officer of CIGNA Corporation from 2000 to the end of 2009.
The Board has determined that Mr. Hanway is an independent director for purposes of the New York Stock Exchange listed company standards and the independence standards set forth in MMC's guidelines for corporate governance. The Board has appointed Mr. Hanway to serve on its audit and corporate responsibility committees.
As a non-management director, Mr. Hanway will be compensated as described under "Board of Directors and Committees – Director Compensation" in MMC's proxy statement relating to its 2009 annual meeting of stockholders.
A copy of MMC's press release, dated January 20, 2010, announcing Mr. Hanway's election is attached hereto as Exhibit 99.1 and incorporated herein by reference.
Item 9.01
Financial Statements and Exhibits
(d)
Exhibits
99.1
Press release issued by Marsh & McLennan Companies, Inc. on January 20, 2010.
2
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 hereunto duly authorized.
MARSH & McLENNAN COMPANIES, INC.
By:
/s/ Luciana Fato
Name:
Luciana Fato
Title:
Deputy General Counsel &
Corporate Secretary
Date:
January 20, 2010
3
EXHIBIT INDEX
Exhibit No.
Exhibit
99.1
Press release issued by Marsh & McLennan Companies, Inc. on January 20, 2010.
4