POWER OF ATTORNEY
Know all by these presents, that the undersigned hereby constitutes and appoints
Gustav Bahn, and with full power of substitution, as the undersigned's true and lawful
attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer and/or director of Steadfast Apartment REIT, Inc., a Maryland corporation (the
"Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act
of 1934 and the rules thereunder;
(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 Form 3, 4, or 5, complete
and execute any amendment or amendments thereto, and timely file such form with the U.S.
Securities and Exchange Commission (the "SEC") and any stock exchange or similar authority; and
(3) take any other action of any type whatsoever in connection with the foregoing
which, in the opinion of any 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 any 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 any such attorney-in-fact's discretion.
The undersigned hereby grants to 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 such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done
by virtue of this power of attorney and the rights and powers herein granted. The undersigned
acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request
of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the undersigned is
no longer required to file Forms 3, 4, and 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 foregoing attorney-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed
as of this 31st day of August, 2020.
/s/ David Miller
Name: David Miller