LIMITED POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS


Know all by these presents, that the undersigned hereby makes, constitutes and
appoints Paul N. Silverstein, as the undersigned's true and lawful
attorney-in-fact with full power and authority as hereinafter described to:

(1) prepare, execute and acknowledge for and on behalf of the undersigned, in
the undersigned's capacity as an officer, director and/or a beneficial owner of
more than 10 percent of common stock of Learning Tree International, Inc.(the
"Company"), Forms 3, 4, and 5 (including any amendments thereto) in accordance
with Section 16(a) of the Securities Exchange Act of 1934 and the rules
thereunder (the "Exchange Act");

(2) do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to prepare, complete and execute any such Form 3,
4, or 5, prepare, complete and execute any amendment or amendments thereto, and
timely deliver and file such form with the United States Securities and Exchange
Commission and any stock exchange or similar authority;

(3) seek or obtain, as the undersigned's representative and on the undersigned's
behalf, information regarding transactions in the Company's securities from any
third party, including brokers, employee benefit plan administrators and
trustees, and the undersigned hereby authorizes any such person to release any
such information to such attorney-in-fact and approves and ratifies any such
release of information; and

(4) 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 Limited Power of Attorney shall be in such form and
shall contain such terms and conditions as the attorney-in-fact may approve in
the attorney-in-fact's discretion.

The undersigned hereby grants to the 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 the attorney-in-fact, or the
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:  (i) this power of attorney
authorizes the attorney-in-fact to act in his discretion in preparing Forms 3, 4
and 5 on information provided to the attorney-in-fact without independent
verification of such information; (ii) the attorney-in-fact, in serving in such
capacity at the request of the undersigned, is not assuming nor relieving, nor
is the Company assuming nor relieving, any of the undersigned's responsibilities
to comply with Section 16 of the Exchange Act; (iii) neither the Company nor the
foregoing attorney-in-fact assume any liability for the undersigned's
responsibility to comply with the requirement of the Exchange Act or any
obligation or liability of the undersigned for profit disgorgement under Section
16(b) of the Exchange Act.

This Limited Power of Attorney shall remain in full force and effect until
revoked by the undersigned in a signed writing delivered to the foregoing
attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney to
be executed as of this 19th day of January, 2018.

/s/ Neil S. Subin
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Signature

Neil S. Subin
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