POWER OF ATTORNEY
          Know all by these present, that the undersigned hereby
constitutes and appoints Craig E. Hunsaker and Tyson E. Marshall
of Alphatec Holdings, Inc., and Rick L. Guerisoli and Joshua E.
Little of Dentons Durham Jones Pinegar P.C., signing singly, the
undersigned's true and lawful attorney-in-fact, with full power
and authority as hereinafter described on behalf of and in the
name, place and stead of the undersigned, to:
          (1)     prepare, execute, acknowledge, deliver, submit,
and file for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director and/or other
insider of Alphatec Holdings, Inc. or any successor entity (the
"Company"), an application for Form ID (or equivalent form)
required to generate the necessary access codes and passphrases
(whether new or replacement) to file on U.S. Securities &
Commission's Electronic Data Gathering, Analysis and Retrieval
System ("EDGAR");
          (2)     prepare, execute, acknowledge, deliver, submit,
and file for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director and/or other
insider of the Company, Forms 3, 4, and 5 or any other forms or
reports to be filed in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules promulgated
thereunder (the "Exchange Act"), and any amendments thereto;
          (3)     seek or obtain, as the undersigned's
representative and on the undersigned's behalf, information on
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 the undersigned and approves
and ratifies any such release of information;
          (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 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 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-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
submitting information on transactions and holdings 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 or any other provision 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 Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file Forms
3, 4 and 5 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. The undersigned hereby revokes any
and all powers of attorney previously executed with respect to
the matters covered herein.
          IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of 15 March 2022.
/s/ Andy Barnett