Directors Roster: a quarterly record of new director appointments.

• Position: DIRECTORS & BOARD'S DIRECTORS ROSTER

THE DIRECTORS & BOARDS Directors Roster--a quarterly record of new director appointments--is compiled from public and private sources by the editorial staff of Directors & Boards and is sponsored by Heidrick & Struggles. Please forward your directors' appointments to kmccarthy@directorsandboards.com.

Submissions of new directors and appointments are welcome from all sources, including executive recruiters, corporate communications staffs, and directors themselves.

ACME PACKET INC.

Bedford, MA has added to its board:

Russell Muirhead

Robert Clements Associate Professor of

Democracy and Politics

Dartmouth College

Hanover, NH

Bio Notes: Since 2009 he has taught ethics, the history of political thought, and American politics at Dartmouth. From 2006-2009 he was an associate professor in the department of government at the University of Texas at Austin. He previously was an associate professor at Harvard University's department of government. In 1996 he began his academic career as an assistant professor at Williams College.

Acme Packet enables the delivery of communications and data services. Revenues are $231 million.

AES CORP.

Arlington, VA

has added to its board:

Kristina M. Johnson

Bio Notes: She most recently served as Under Secretary for Energy at the Department of Energy in Washington, D.C. In 2009 she was the provost and SVP for academic affairs at Johns Hopkins University. From 1999-2007 she served as dean of the Pratt School of Engineering at Duke University. Her numerous awards include the prestigious John Fritz Medal (previous recipients include Alexander Graham Bell, Thomas Edison, and Orville Wright). She served on the AES board from 2004-2009 before joining the DOE. Also is a director of Boston Scientific Corp. Age 48.

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AES is a global power company. Revenues are $16 billion.

ALAMO GROUP INC.

Seguin, TX

has added to its board:

Helen W.Cornell

Bio Notes: In 2010, following a 22-year career, she retired as EVP-finance and CFO of Gardner Denver Inc. Also is a director of privately owned Owensboro Grain Co. Age 52.

Alamo provides equipment for highway maintenance and agriculture. Revenues are S508 million.

AMERICAN SUPERCONDUCTOR CORP.

Devens, MA

has added to its board:

Pamela F. Lenehan

President

RIDGE HILL CONSULTING

Needham, MA

Bio Notes: Prior to founding Ridge Hill Consulting in 2002 she was CFO of Convergent Networks. She previously was SVP-corporate development and treasurer of Oak Industries, which was sold to Corning. She also spent 14 years at Credit Suisse First Boston. She began her corporate banking career at Chase Manhattan Bank. Also is a director of Spartech Corp., Monotype Imaging Holdings Inc., and National Mentor Holding.

American Superconductor is a global power technologies company. Revenues are $400 million. Ridge Hill is a strategy consulting firm.

APPLIEDMICRO

Sunnyvale, CA has added to its board:

H.K.Desai

Executive Chairman

QLogic Corp.

Aliso Vieio, CA

Bio Notes: He became chairman of QLogic in 1999 and until last November spent 15 years as CEO of the company, which he joined in 1995 as interim CEO, president, and chief technology officer.

AppliedMicro provides energy-conscious solutions for telco, enterprise, data center and consumer applications. Revenues are $247 million. QLogic is engaged in high-performance networking. Revenues are $591 million.

ARRIS GROUP INC.

Suwanee, GA

has added to its board:

Debora J. Wilson

Bio Notes: From 2004-2009 she served as president and CEO of The Weather Channel, which she joined in 1994 as SVP of new business development and then went on to hold key operating roles as president of the interactive division and COO. She previously spent 15 years with Bell Atlantic (now Verizon). Also is a director of Markel Corp. and Internap Network Services Inc.

Arris Group is a global communications technology company. Revenues are $1 billion.

AUTONATION INC.

Fort Lauderdale, FL

has added to its board:

Alison H. Rosenthal

Bio Notes: From 2006 until January 2011 she led various initiatives in the business development department at Facebook Inc. She previously was an associate at General Atlantic Partners, a global private equity fund. From 1998-2000 she was an analyst at Goldman Sachs & Co.

AutoNation is an automotive retailer. Revenues are $13 billion.

BANK OF AMERICA CORP.

Charlotte, NC has added to its board:

Mukesh D. Ambani

Chairman and Managing Director

RELIANCE INDUSTRIES LTD.

Mumbai, India

Bio Notes: He has headed Reliance since 2002. He also serves as a member of both the Indian Prime Minister's Council on Trade and Industry and the Indo-US CEOs Forum. He is the first non-U.S. citizen to join the board of the nation's largest bank by assets, according to the Wall Street Journal. Age 53.

Bank of America is a financial services institution. Revenues are $82 billion. Reliance is India's first private sector company in the Global Fortune 500. It has businesses in the energy and materials industries. Revenues are $45 billion.

BELDEN INC.

St. Louis, MO

has added to its board:

Dean A. Yoost

Bio Notes: He was a senior partner with PwC, where he had spent a 32-year career, retiring in 2005. Formerly was engaged in international trade and investment in Beijing and Tokyo. Also is a director of Emulex Corp., UnionBan-Cal Corp., and Pacific Life Insurance Co. Age 60.

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Belden manufactures products for data networking and other electronics markets. Revenues are $2 billion.

BERRY PETROLEUM CO.

Bakersfield, CA has added to its board:

Stephen J. Hadden

Michael S. Reddin

President and CEO

DAVIS PETROLEUM CORP.

Houston, TX

Bio Notes: Hadden most recently was EVP of worldwide exploration and production for Devon Energy Corp. He formerly served in numerous management roles at Texaco and Chevron Texaco. Reddin joined Davis Petroleum in 2009 as president and CEO. He previously served as president and CEO of Kerogen Resources Inc. and held senior positions at BP America Inc., Vastar Resources Inc., and Arco Oil & Gas Co.

Berry is an oil and gas production and exploration company. Revenues are $434 million. Davis is a privately held oil and gas exploration, development, and production company.

BLACKROCK INC.

New York, NY has added to its board:

Ivan G. Seidenberg

Chairman and CEO

VERIZON COMMUNICATIONS INC.

New York, NY

Bio Notes: Since his beginning as a cable splicer's assistant at New York Telephone, his communications career has spanned more than 40 years. He has led Verizon since its inception in 2000. He previously was chairman and CEO of its predecessor companies, NYNEX and Bell Atlantic. Since 2009 he has chaired the Business Roundtable. In 2010 he was appointed to serve on the President's Export Council by Barack Obama.

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BlackRock is an investment management company. Revenues are $9 billion. Verizon provides communications products and services. Revenues are $I07 billion.

New Directors January-March 2011 Companies adding new directors: 73 Number of new directors: 90 Category Number % of total Retired 33 37% Senior Officers 14 16 Chairmen/CEOs 12 13 Consultants 11 12 Finance 11 12 Academia 7 8 Legal 1 1 Miscellaneous 1 1 Total 90 100% Women 31 34% NOTE: The appointments published in the following pages are a selection of the directors appointed in the most recent quarter and added to the Directors Roster database. CARMAX INC.

Richmond, VA has added to its board:

Rakesh Gangwal

Co-founder

INDIGO

Haryana, India

Mitchell D. Steenrod

Senior Vice President and CFO

PILOT FLYING J

Knoxville, TN

Bio Notes: Gangwal was chairman, president and CEO of Worldspan Technologies Inc., a travel technology services company, from 2003-2007. He previously held senior positions at US Airways Group, including CEO from 1998-2001. Also is a director of PetSmart Inc. and OfficeMax Inc., where he serves as nonexecutive chairman. Age 57. Steenrod has since 2006 also served as chief information office of Pilot FlyingJ. He joined Pilot Travel Centers in 2001 when it was formed as a joint venture between Pilot Corp. and Marathon Ashland Petroleum LLC. He previously spent 12 years in a variety of positions at Marathon Oil Co. and Marathon Ashland Petroleum. Age 44.

CarMax is a retailer of used cars. Revenues are $9 billion. IndiGo is a low-fare airline in India that was launched in 2006. Pilot is a privately held travel center company.

CEPHALON INC.

Frazer, PA has added to its board:

Charles Homey

Venture Partner

THIRD ROCK VENTURES

Boston, MA

Bio Notes: He joined Third Rock Ventures in 2010. He also is co-chairman of Portola Pharmaceuticals, where from 2003-2010 he served as president and CEO of the privately held biotechnology firm. He previously was president of research and development at Millennium Pharmaceuticals following its acquisition of COR Therapeutics, where he had been an EVP, and formerly was with American Cyanamid-Lederle Laboratories. He has held academic appointments in clinical medicine at Harvard Medical School, Columbia University College of Physicians and Surgeons, and the University of California, San Francisco.

Cephalon is a global biopharmaceutical company. Revenues are $3 billion. Third Rock is focused on launching life sciences companies.

CHARLES RIVER LABORATORIES INTERNATIONAL INC.

Wilmington, MA

has added lo its board:

Robert J. Bertolini

Richard F. Wallman

Bio Notes: Bertolini served as EVP and CFO of Schering-Plough Corp. until the 2009 merger with Merck & Co. He joined Schering-Plough in 2003. He previously spent a 20-year career at PricewaterhouseCoopers, where he led the global pharmaceutical industry practice and advised management on merger and acquisition transactions. Wallman was until 2003 SVP and CFO of Honeywell International Inc. He previously was CFO of AlliedSignal prior to its merger with Honeywell in 1999, and formerly was VP and controller at IBM. He also held senior positions with Chrysler Corp. Age 56.

Charles River is engaged in drug discovery and development...