Exhibit 24

                               POWER OF ATTORNEY

          KNOW ALL BY THESE PRESENTS, that the undersigned hereby makes,
constitutes and appoints Noah Kindler and Murray Grainger, acting singly and
with full power of substitution or revocation, the undersigned's true and lawful
attorneys-in-fact, each with full power and authority as hereinafter described
on behalf of and in the name, place and stead of the undersigned to:

   (i)    execute for and on behalf of the undersigned, in the undersigned's
capacity as a director, director nominee, officer or beneficial owner of common
stock of Juniper II Corp., a Delaware corporation (the "Company"), any Schedule
13D or Schedule 13G, and any amendments, supplements or exhibits thereto
(including any joint filing agreements) required to be filed by the undersigned
under Section 13 of the Securities Exchange Act of 1934, as amended, and the
rules promulgated thereunder (the "Exchange Act"), and any Forms 3, 4, and 5 and
any amendments, supplements or exhibits thereto required to be filed by the
undersigned under Section 16(a) of the Exchange Act;

   (ii)   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 schedules
or forms and timely file such forms with the United States Securities and
Exchange Commission and any applicable stock exchange; and

   (iii)  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 such attorneys-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 each 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, or any liability for the
failure to comply with, Section 13 and/or Section 16 of the Exchange Act.

          This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file reports or schedules under Section 13
or Section 16 of the Exchange Act with respect to the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 2nd day of November, 2021.


                                        By: /s/ Andrew Teich
                                           ------------------------------
                                        Name: Andrew Teich