Exhibit 24


      	The undersigned hereby constitutes and appoints John J. Kerin, Robert H. Kennis and Martin E. Louie,and each of them,
his true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director, and/or
	person who holds more than 10% of the stock of Marcus & Millichap, Inc. (the "Company"), Forms 3, Forms 4 and Forms 5
	in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules

(2)	do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete
	and execute any such Forms 3, Forms 4 or Forms 5 and timely file any such forms with the United States Securities and Exchange Commission
	and any other authority; and

(3)	take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of
	benefit to,in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such
	attorney-in-fact on behalf of the undersigned, pursuant to this Power of Attorney shall be in such form and shall contain such terms and
	conditions as such attorney-in-fact may approve in his discretion.

     	The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and
thing whatsoever requisite, necessary or proper to be done in the exercise of any of the rights and powers herein granted,
as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or his substitute or substitutes, shall lawfully do or cause to be done pursuant
to this power of attorney.

	The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Exchange Act.

	This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, Forms 4, and
Forms 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned
in a signed writing delivered to the attorneys-in-fact.

	The undersigned has caused this Power of Attorney to be executed as of this 22nd day of October, 2013.

/s/ George T. Shaheen
George T. Shaheen
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