LIMITED POWER OF ATTORNEY


       The undersigned hereby constitutes and appoints each of
Karyn Smith, Mariam Sattar and Alexis Rhorer, signing singly,
and with full power of substitution, 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 Twilio
Inc. (the ?Company?), from time to time the following U.S.?
Securities and Exchange Commission (?SEC?) forms: (i) Form ID,
including any attached documents, 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) Schedule 13D 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 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-fact's 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-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 or Regulation 13D-G of the Securities Exchange Act of 1934,
as amended.  The undersigned hereby agrees to indemnify the attorneys-
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 attorneys-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 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.  This Power
of Attorney supersedes any prior power of attorney in connection with
the undersigned?s 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 of, or legal
counsel to the Company.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of March 8, 2017.

/s/ Erika Rottenberg
Erika Rottenberg