<PAGE>
EXHIBIT 24
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Peter W. Bell
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ William D. Miller
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Randall A. Blumenthal
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Robert E. Davoli
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Harold R. Dixon
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Stephen J. Gaal
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Michael D. Lambert
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ Roger M. Marino
--------------------------
<PAGE>
POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Paul C. Flanagan and Dean
J. Breda, and each of them, with full power to act without the other, his true
and lawful attorney-in-fact and agent, with full power of substitution and
resubstitution, for him and in his name, place and stead in any and all
capacities (until revoked in writing) to execute and file Registration
Statements on Form S-8 of StorageNetworks, Inc. (the "Company") in connection
with the registration by the Company of shares of common stock, $.01 par value
per share, of the Company under the Amended and Restated 1998 Stock Incentive
Plan, the 2000 Stock Plan, the 2000 Non-employee Director Plan, and the 2000
Employee Stock Purchase Plan, and to file the same, with all exhibits thereto
and other documents in connection therewith, including pre- and post-effective
amendments, with the Securities and Exchange Commission or any state securities
commission or other governmental entity pertaining to such registration and
sale, granted 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 and
necessary fully to all intents and purposes as he might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents or
any of them, or their or his substitute, may lawfully do or cause to be done by
virtue hereof.
Executed as of this 13th day of September, 2000.
/s/ William T. Schleyer
--------------------------
