Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each undersigned hereby constitutes
and appoints INGRID CHIAVACCI his, her or its true and lawful attorneys-in-fact
to:
(1) execute for and on behalf of each undersigned (a "Reporting Person") any
and all reports, notices, communications and other documents (including, but not
limited to, reports on Schedule 13D, Schedule 13G, Form 13-F, Form 3, Form 4 and
Form 5) that such Reporting Person may be required to file with the United
States Securities and Exchange Commission pursuant to the Securities Act of
1933, as amended, and the Securities Exchange Act of 1934, as amended
(collectively, the "Reports") with respect to each Reporting Person's (a) status
as an officer or director of, or (b) ownership of, or transactions in,
securities of, any entity whose securities are beneficially owned (directly or
indirectly) by such Reporting Person (each, a "Company");
(2) do and perform any and all acts for and on behalf of each Reporting Person
which may be necessary or desirable to complete and execute any such Reports and
timely file such forms and schedules with the United States Securities and
Exchange Commission 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 either 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 either 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 all and every act and thing whatsoever requisite,
necessary, and 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 by virtue of
this Power of Attorney and the rights and powers herein granted. The undersigned
acknowledges that no such attorney-in-fact, in serving in such capacity at the
request of the undersigned, is hereby assuming, nor is the Company hereby
assuming, any of the undersigned's responsibilities to comply with Section 16 or
Section 13 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 or Schedules 13G/D
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.
March 14, 2017 HUMMER WINBLAD EQUITY PARTNERS VI,L.P.
By: /s/ John Hummer
Name: John Hummer
Title: Managing Member
March 14, 2017 HUMMER WINBLAD VENTURE PARTNERS VI,L.P.
By: /s/ John Hummer
Name: John Hummer
Title: Managing Member