<PAGE>
Exhibit 99.p
ISI STRATEGY FUND, INC.
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that, Edward S. Hyman, whose
signature appears below, does hereby constitute and appoint Edward J. Veilleux,
Amy M. Olmert and Daniel O. Hirsch, and each of them singly, his true and lawful
attorney-in-fact and agent, with full power of substitution or resubstitution,
to do any and all acts and things and to execute any and all instruments, in his
name, place and stead, which said attorney-in-fact and agent may deem necessary
or advisable or which may be required to enable ISI Strategy Fund, Inc. (the
"Fund") to comply with the Securities Act of 1933, as amended (the "1933 Act")
and the Investment Company Act of 1940, as amended (the "1940 Act"), and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with the Fund's Registration Statement on Form
N-1A pursuant to the 1933 Act and the 1940 Act, together with any and all pre-
and post-effective amendments thereto, including specifically, but without
limiting the generality of the foregoing, the power and authority to sign in the
name and on behalf of the undersigned as Chairman and a director of the Fund
such Registration Statement and any and all such pre- and post-effective
amendments filed with the Securities and Exchange Commission under the 1933 Act
and the 1940 Act, and any other instruments or documents related thereto, and
the undersigned does hereby ratify and confirm all that said attorney-in-fact
and agent, or any of them or their substitute or substitutes, shall lawfully do
or cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and
seal as of the date set forth below.
/s/ Edward S. Hyman
---------------------
Edward S. Hyman
Date: September 6, 2000
<PAGE>
ISI STRATEGY FUND, INC.
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that, Joseph R. Hardiman, whose
signature appears below, does hereby constitute and appoint Edward J. Veilleux,
Amy M. Olmert and Daniel O. Hirsch, and each of them singly, his true and lawful
attorney-in-fact and agent, with full power of substitution or resubstitution,
to do any and all acts and things and to execute any and all instruments, in his
name, place and stead, which said attorney-in-fact and agent may deem necessary
or advisable or which may be required to enable ISI Strategy Fund, Inc. (the
"Fund") to comply with the Securities Act of 1933, as amended (the "1933 Act")
and the Investment Company Act of 1940, as amended (the "1940 Act"), and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with the Fund's Registration Statement on Form
N-1A pursuant to the 1933 Act and the 1940 Act, together with any and all pre-
and post-effective amendments thereto, including specifically, but without
limiting the generality of the foregoing, the power and authority to sign in the
name and on behalf of the undersigned as a director of the Fund such
Registration Statement and any and all such pre- and post-effective amendments
filed with the Securities and Exchange Commission under the 1933 Act and the
1940 Act, and any other instruments or documents related thereto, and the
undersigned does hereby ratify and confirm all that said attorney-in-fact and
agent, or any of them or their substitute or substitutes, shall lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and
seal as of the date set forth below.
/s/ Joseph R. Hardiman
---------------------------
Joseph R. Hardiman
Date: September 6, 2000
<PAGE>
ISI STRATEGY FUND, INC.
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that, Louis E. Levy, whose
signature appears below, does hereby constitute and appoint Edward J. Veilleux,
Amy M. Olmert and Daniel O. Hirsch, and each of them singly, his true and lawful
attorney-in-fact and agent, with full power of substitution or resubstitution,
to do any and all acts and things and to execute any and all instruments, in his
name, place and stead, which said attorney-in-fact and agent may deem necessary
or advisable or which may be required to enable ISI Strategy Fund, Inc. (the
"Fund") to comply with the Securities Act of 1933, as amended (the "1933 Act")
and the Investment Company Act of 1940, as amended (the "1940 Act"), and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with the Fund's Registration Statement on Form
N-1A pursuant to the 1933 Act and the 1940 Act, together with any and all pre-
and post-effective amendments thereto, including specifically, but without
limiting the generality of the foregoing, the power and authority to sign in the
name and on behalf of the undersigned as a director of the Fund such
Registration Statement and any and all such pre- and post-effective amendments
filed with the Securities and Exchange Commission under the 1933 Act and the
1940 Act, and any other instruments or documents related thereto, and the
undersigned does hereby ratify and confirm all that said attorney-in-fact and
agent, or any of them or their substitute or substitutes, shall lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and
seal as of the date set forth below.
/s/ Louis E. Levy
----------------------
Louis E. Levy
Date: September 6, 2000
<PAGE>
ISI STRATEGY FUND, INC.
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that, Carl W. Vogt, whose
signature appears below, does hereby constitute and appoint Edward J. Veilleux,
Amy M. Olmert and Daniel O. Hirsch, and each of them singly, his true and lawful
attorney-in-fact and agent, with full power of substitution or resubstitution,
to do any and all acts and things and to execute any and all instruments, in his
name, place and stead, which said attorney-in-fact and agent may deem necessary
or advisable or which may be required to enable ISI Strategy Fund, Inc. (the
"Fund") to comply with the Securities Act of 1933, as amended (the "1933 Act")
and the Investment Company Act of 1940, as amended (the "1940 Act"), and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with the Fund's Registration Statement on Form
N-1A pursuant to the 1933 Act and the 1940 Act, together with any and all pre-
and post-effective amendments thereto, including specifically, but without
limiting the generality of the foregoing, the power and authority to sign in the
name and on behalf of the undersigned as a director of the Fund such
Registration Statement and any and all such pre- and post-effective amendments
filed with the Securities and Exchange Commission under the 1933 Act and the
1940 Act, and any other instruments or documents related thereto, and the
undersigned does hereby ratify and confirm all that said attorney-in-fact and
agent, or any of them or their substitute or substitutes, shall lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and
seal as of the date set forth below.
/s/ Carl W. Vogt
--------------------
Carl W. Vogt
Date: September 6, 2000
<PAGE>
ISI STRATEGY FUND, INC.
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that, R. Alan Medaugh, whose
signature appears below, does hereby constitute and appoint Edward J. Veilleux,
Amy M. Olmert and Daniel O. Hirsch, and each of them singly, his true and lawful
attorney-in-fact and agent, with full power of substitution or resubstitution,
to do any and all acts and things and to execute any and all instruments, in his
name, place and stead, which said attorney-in-fact and agent may deem necessary
or advisable or which may be required to enable ISI Strategy Fund, Inc. (the
"Fund") to comply with the Securities Act of 1933, as amended (the "1933 Act")
and the Investment Company Act of 1940, as amended (the "1940 Act"), and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with the Fund's Registration Statement on Form
N-1A pursuant to the 1933 Act and the 1940 Act, together with any and all pre-
and post-effective amendments thereto, including specifically, but without
limiting the generality of the foregoing, the power and authority to sign in the
name and on behalf of the undersigned as President of the Fund such Registration
Statement and any and all such pre- and post-effective amendments filed with the
Securities and Exchange Commission under the 1933 Act and the 1940 Act, and any
other instruments or documents related thereto, and the undersigned does hereby
ratify and confirm all that said attorney-in-fact and agent, or any of them or
their substitute or substitutes, shall lawfully do or cause to be done by virtue
hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and
seal as of the date set forth below.
/s/ R. Alan Medaugh
-------------------------
R. Alan Medaugh
Date: September 6, 2000
<PAGE>
ISI STRATEGY FUND, INC.
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that, Charles A. Rizzo, whose
signature appears below, does hereby constitute and appoint Edward J. Veilleux,
Daniel O. Hirsch and Amy M. Olmert, and each of them singly, his true and lawful
attorney-in-fact and agent, with full power of substitution or resubstitution,
to do any and all acts and things and to execute any and all instruments, in his
name, place and stead, which said attorney-in-fact and agent may deem necessary
or advisable or which may be required to enable ISI Strategy Fund, Inc. (the
"Fund") to comply with the Securities Act of 1933, as amended (the "1933 Act")
and the Investment Company Act of 1940, as amended (the "1940 Act"), and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with the Fund's Registration Statement on Form
N-1A pursuant to the 1933 Act and the 1940 Act, together with any and all pre-
and post-effective amendments thereto, including specifically, but without
limiting the generality of the foregoing, the power and authority to sign in the
name and on behalf of the undersigned as Treasurer of the Fund such Registration
Statement and any and all such pre- and post-effective amendments filed with the
Securities and Exchange Commission under the 1933 Act and the 1940 Act, and any
other instruments or documents related thereto, and the undersigned does hereby
ratify and confirm all that said attorney-in-fact and agent, or any of them or
their substitute or substitutes, shall lawfully do or cause to be done by virtue
hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ Charles A. Rizzo
------------------------------
Charles A. Rizzo
Date: September 6, 2000
