POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Stephen S. Yoder, President and Chief Executive
Officer of Pieris Pharmaceuticals, Inc. (the "Company"), Allan Reine,
Chief Financial Officer of the Company, Ahmed Mousa, General Counsel and
Secretary of the Company, and Marc D. Mantell, Brian J. Shea, Christina
Bailey, Amanda Mei, Anne T. Leland, Brenda L. Meyette and Jacquelyn
Cannata of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., signing
singly, with full power of  substitution, the undersigned's true and
lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, forms and
authentication documents for EDGAR Filing Access;
(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 and authentication documents;
(3)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer, director and/or 10% shareholder
of the Company, Forms 3, 4 and 5 in accordance with Section 16(a) of
the Securities Exchange Act of 1934 and the rules thereunder;
(4)	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 and timely file such form with the United States
Securities and Exchange Commission and any stock exchange or similar
authority; and
(5)	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 interests 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 such attorney-
in-fact's 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 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 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 Securities
Exchange Act of 1934, as amended.

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
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed on August 29, 2019.

/s/ Hitto Kaufmann, Ph.D.
Hitto Kaufmann, Ph.D.