Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Douglas R. Lebda and Keith B. Hall, and each of them, his true and lawful attorney-in-fact and agents with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to this registration statement, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. This power of attorney may be executed in counterparts. Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities indicated on this 14th day of December, 2001. NAME TITLE /s/ Douglas R. Lebda Chief Executive Officer and Director - ------------------------------------ (principal executive officer) Douglas R. Lebda /s/ Keith B. Hall Senior Vice President, ----------------------------------- Chief Financial Officer and Treasurer Keith B. Hall /s/ Matthew A. Packey Vice President and Controller - ------------------------------------ Matthew A. Packey /s/ Richard Field Director - ------------------------------------ Richard Field /s/ Robert Kennedy Director - ------------------------------------ Robert Kennedy /s/ Daniel C. Lieber Director - ------------------------------------ Daniel C. Lieber /s/ Michael DeVico Director - ------------------------------------ Michael DeVico /s/ W. James Tozer, Jr. Director - ------------------------------------ W. James Tozer, Jr. /s/ Robert A. Spass Director - ------------------------------------ Robert A. Spass