LIMITED POWER OF ATTORNEY
The undersigned hereby constitutes and appoints each of
Mikkel Svane, Elena Gomez, John Geschke, Steven Chen, and Bradley C. Weber,
signing singly, and with full power of substitution, the undersigneds true and lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigneds capacity
as an officer and/or director of Zendesk, Inc., a Delaware corporation (the Company), from time to time the following
U.S. Securities and Exchange Commission (SEC) forms: (i) Form ID, including any attached documents (such as Update Passphrase Authentication), to effect the assignment of codes to the undersigned to be used in
the transmission of information to the SEC using the EDGAR System;
(ii) Form 3, Initial Statement of Beneficial Ownership of Securities, including any attached documents;
(iii) Form 4, Statement of Changes in Beneficial Ownership of Securities,
including any attached documents; (iv) Form 5, Annual Statement of Beneficial Ownership of Securities
in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended,
and the rules thereunder, including any attached documents; (v) Schedules 13D and 13G; and
(vi) amendments of each thereof, in accordance with the Securities Exchange Act of 1934, as amended,
and the rules thereunder, including any attached documents;
(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, Schedule 13D or 13G, or any amendment(s) thereto, and timely file such form(s)
with the SEC and any securities exchange, national association or similar 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 such attorney-in-facts discretion.
The undersigned hereby grants to each such attorney-in-fact, acting singly,
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-facts 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 undersigneds responsibilities to comply with Section 16
or Regulation 13D-G of the Securities Exchange Act of 1934, as amended.
The undersigned hereby agrees to indemnify the attorney-in-fact and the Company from
and against any demand, damage, loss, cost or expense arising from any false or misleading information
provided by the undersigned to the attorney-in-fact.
This Power of Attorney shall remain in full force and effect until the undersigned
is no longer required to file such forms with respect to the undersigneds 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. This Power of Attorney supersedes
any prior power of attorney in connection with the undersigneds capacity as an
officer and/or director of the Company. This Power of Attorney shall expire as to any
individual attorney-in-fact if such attorney-in-fact ceases to be an executive officer
or employee of, or serve as outside counsel to, the Company.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of October 29, 2020.
/s/ Christina Liu Ying
Christina Liu Ying