Governance

• Board of Directors
• Management Team
• Professional Firms
• Code of Ethics
• Audit Committee Charter
• Nominating Committee Charter
• Compensation Committee Charter

Board of Directors

Robert E. Hunter, D.M.D.
Retired President and CEO, DentaQuest Ventures, Inc.
A subsidiary of Delta Dental of Massachusetts

James T. Kelly
Retired Chairman, Lincare, Inc.
A home respiratory therapy provider

Gerard M. Moufflet
Chief Executive Officer, Acceleration International
A private equity firm

Derril W. Reeves
Executive Vice President, BreatheAmerica Inc.
An airway disease treatment company

Steven J. Semmelmayer
Chairman, LED Medical Diagnostics Inc.
A medical device company

Gregory A. Serrao
Chairman, President and Chief Executive Officer,
American Dental Partners, Inc.

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Management Team

Ian H. Brock
Vice President, Planning and Investment

Robert A. Duncan
Vice President, Information Systems

Breht T. Feigh
Executive Vice President, Chief Financial Officer and Treasurer

Michael J. Kenneally
Senior Vice President, Regional Operations

Jesley C. Ruff, D.D.S.
Senior Vice President, Chief Professional Officer

Gregory A. Serrao
Chairman, President and Chief Executive Officer

Mark W. Vargo
Vice President, Chief Accounting Officer

Michael J. Vaughan
Executive Vice President, Chief Operating Officer

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Professional Firms

Legal Counsel
Baker & Hostetler
65 East State Street
Columbus, OH 43215
(614) 228-1541

Accounting Firm
PricewaterhouseCoopers LLP
125 High Street
Boston, MA 02110
(617) 530-5000

Transfer Agent
Registrar and Transfer Company
10 Commerce Drive
Cranford, NJ 07016
(800) 368-5948

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