Exhibit 99(a)

POWER OF ATTORNEY

David A. Erne, whose signature appears below, does hereby constitute and appoint Alan G. Priest, Alyssa Albertelli, and Melissa S. Gainor, each individually, his true and lawful attorneys and agents, with full power of substitution or resubstitution, to do any and all acts and things and to execute any and all instruments which said attorneys and agents, each individually, may deem necessary or advisable or which may be required to enable Artisan Funds (the “Funds”), to comply with the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended (“Acts”), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing and effectiveness of any and all registration statements and any amendments to the Funds’ registration statements on Form N-1A pursuant to said Acts, 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 Funds any and all such amendments filed with the Securities and Exchange Commission under said Acts, and any other instruments or documents related thereto, and the undersigned does hereby ratify and confirm all that said attorneys and agents, or either of them, shall do or cause to be done by virtue thereof.

Dated: January 8, 2009	/s/ David A. Erne
	David A. Erne

POWER OF ATTORNEY

Thomas R. Hefty, whose signature appears below, does hereby constitute and appoint Alan G. Priest, Alyssa Albertelli, and Melissa S. Gainor, each individually, his true and lawful attorneys and agents, with full power of substitution or resubstitution, to do any and all acts and things and to execute any and all instruments which said attorneys and agents, each individually, may deem necessary or advisable or which may be required to enable Artisan Funds (the “Funds”), to comply with the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended (“Acts”), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing and effectiveness of any and all registration statements and any amendments to the Funds’ registration statements on Form N-1A pursuant to said Acts, 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 Funds any and all such amendments filed with the Securities and Exchange Commission under said Acts, and any other instruments or documents related thereto, and the undersigned does hereby ratify and confirm all that said attorneys and agents, or either of them, shall do or cause to be done by virtue thereof.

Dated: January 8, 2009	/s/ Thomas R. Hefty
	Thomas R. Hefty

POWER OF ATTORNEY

Jeffrey A. Joerres, whose signature appears below, does hereby constitute and appoint Alan G. Priest, Alyssa Albertelli, and Melissa S. Gainor, each individually, his true and lawful attorneys and agents, with full power of substitution or resubstitution, to do any and all acts and things and to execute any and all instruments which said attorneys and agents, each individually, may deem necessary or advisable or which may be required to enable Artisan Funds (the “Funds”), to comply with the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended (“Acts”), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing and effectiveness of any and all registration statements and any amendments to the Funds’ registration statements on Form N-1A pursuant to said Acts, 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 Funds any and all such amendments filed with the Securities and Exchange Commission under said Acts, and any other instruments or documents related thereto, and the undersigned does hereby ratify and confirm all that said attorneys and agents, or either of them, shall do or cause to be done by virtue thereof.

Dated: January 6, 2009	/s/ Jeffrey A. Joerres
	Jeffrey A. Joerres

POWER OF ATTORNEY

Patrick S. Pittard, whose signature appears below, does hereby constitute and appoint Alan G. Priest, Alyssa Albertelli, and Melissa S. Gainor, each individually, his true and lawful attorneys and agents, with full power of substitution or resubstitution, to do any and all acts and things and to execute any and all instruments which said attorneys and agents, each individually, may deem necessary or advisable or which may be required to enable Artisan Funds (the “Funds”), to comply with the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended (“Acts”), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing and effectiveness of any and all registration statements and any amendments to the Funds’ registration statements on Form N-1A pursuant to said Acts, 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 Funds any and all such amendments filed with the Securities and Exchange Commission under said Acts, and any other instruments or documents related thereto, and the undersigned does hereby ratify and confirm all that said attorneys and agents, or either of them, shall do or cause to be done by virtue thereof.

Dated: January 12, 2009	/s/ Patrick S. Pittard
	Patrick S. Pittard

POWER OF ATTORNEY

Howard B. Witt, whose signature appears below, does hereby constitute and appoint Alan G. Priest, Alyssa Albertelli, and Melissa S. Gainor, each individually, his true and lawful attorneys and agents, with full power of substitution or resubstitution, to do any and all acts and things and to execute any and all instruments which said attorneys and agents, each individually, may deem necessary or advisable or which may be required to enable Artisan Funds (the “Funds”), to comply with the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended (“Acts”), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing and effectiveness of any and all registration statements and any amendments to the Funds’ registration statements on Form N-1A pursuant to said Acts, 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 Funds any and all such amendments filed with the Securities and Exchange Commission under said Acts, and any other instruments or documents related thereto, and the undersigned does hereby ratify and confirm all that said attorneys and agents, or either of them, shall do or cause to be done by virtue thereof.

Dated: January 9, 2009	/s/ Howard B. Witt
	Howard B. Witt

POWER OF ATTORNEY

Andrew A. Ziegler, whose signature appears below, does hereby constitute and appoint Alan G. Priest, Alyssa Albertelli, and Melissa S. Gainor, each individually, his true and lawful attorneys and agents, with full power of substitution or resubstitution, to do any and all acts and things and to execute any and all instruments which said attorneys and agents, each individually, may deem necessary or advisable or which may be required to enable Artisan Funds, Inc. (the “Funds”), to comply with the Investment Company Act of 1940, as amended, and the Securities Act of 1933, as amended (“Acts”), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing and effectiveness of any and all registration statements and any amendments to the Funds’ registration statements on Form N-1A pursuant to said Acts, 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 Funds any and all such amendments filed with the Securities and Exchange Commission under said Acts, and any other instruments or documents related thereto, and the undersigned does hereby ratify and confirm all that said attorneys and agents, or either of them, shall do or cause to be done by virtue thereof.

Dated: January 7, 2009	/s/ Andrew A. Ziegler
	Andrew A. Ziegler