POWER OF ATTORNEY
       Know all by these present that the undersigned hereby constitutes
and appoints each of LISA D. EARNHARDT,
JERYL L. HILLEMAN, DAVID A. LEHMAN and MATTHEW B. HEMINGTON,
signing individually,
the undersigneds true and lawful
attorneys-in fact and agents to

(1) execute for and on behalf of the undersigned, in the undersigneds
 capacity as an officer, director or beneficial
owner of more than 10% of a registered class of
 securities of Intersect ENT Inc. (the Company)

 (a) Forms 3, 4 and 5 (including any amendments thereto) in accordance with
Section 16(a) of the
Securities Exchange Act of 1934, as amended (the Exchange Act)
 and the rules thereunder and a
b) Form ID, Uniform Application for Access Codes to File on EDGAR

 (2) do and perform any and all acts for and on behalf of the undersigned
that may be necessary or
desirable to execute such Forms 3, 4 or 5 or Form ID (including any
amendments thereto
and timely file such forms with the United States Securities and
Exchange Commission
 and any stock exchange or similar authority and

(3) take any other action of any nature whatsoever in connection with
 the foregoing
 which, in the opinion of such attorney-in-fact,
may be of benefit, 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
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 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 of the Exchange Act.


This Power of Attorney shall remain in full force and effect until
 the earliest to occur
 of (a) the
undersigned is no longer required to file Forms 3, 4 and 5 with respect
 to the undersigneds
holdings of
and transactions in securities issued by the Company,
(b) revocation by the undersigned in a signed writing delivered
 to the foregoing
attorneys-in-fact or (c)
as to any attorney-in-fact individually, until such attorney-in-fact
 is no longer
 employed by the Company
or Cooley LLP.

       IN WITNESS WHEREOF the undersigned has caused this Power of
 Attorney to be
 executed as of January 19, 2017.
/s/ Casey Tansey
Casey Tansey