LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

The undersigned makes, constitutes and appoints
each of Jonathon M. Singer and Emil D. Koller as the undersigned's
true and lawful attorney-in-fact, with full power and authority as
described below on behalf of and in the name, place and stead of the
undersigned to: (1) prepare, execute, acknowledge, deliver and file
Forms 3, 4 and 5 (including any amendments to such Forms) with respect
to the securities of RTI Surgical Holdings, Inc., a Delaware corporation
(the "Company"), with the United States Securities and Exchange Commission,
any national securities exchanges and the Company, as considered necessary
or advisable under Section 16(a) of the Securities Exchange Act of 1934 and
the rules and regulations promulgated thereunder, as amended from time to
time (the "Exchange Act");(2) 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
authorizes any such person to release any such information to the
undersigned and approves and ratifies any such release of information;
and (3) perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for and on behalf of the
undersigned in connection with the above. The undersigned acknowledges
that: (1) this Limited Power of Attorney authorizes, but does not require,
such attorney-in-fact to act in his or her discretion on
information provided to such attorney-in-fact without independent verification
of such informatidon; (2) any documents prepared and/or executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Limited
Power of Attorney will be in such form and will contain such information and
disclosure as such attorney-in-fact, in his or her discretion, deems necessary
or desirable; (3) neither the Company nor such attorney-in-fact assumes:
(i) any liability for the undersigned's responsibility to comply with the
requirement of the Exchange Act, (ii) any liability of the undersigned for
any failure to comply with such requirements, or (iii) any obligation or
liability of the undersigned for profit disgorgement under Section 16(b) of
the Exchange Act; and (4) this Limited Power of Attorney does not relieve the
undersigned from responsibility for compliance with the undersigned's
obligations under the Exchange Act, including without limitation the
reporting requirements under Section 16 of the Exchange Act. The undersigned
gives and grants the above attorneys-in-fact full power and authority to
do and perform all and every act and thing whatsoever requisite, necessary
or appropriate to be done in and about the above matters as fully to all
intents and purposes as the undersigned might or could do if present,
ratifying all that such attorney-in-fact of, for and on behalf of the
undersigned, shall lawfully do or cause to be done by virtue of this
Limited Power of Attorney. This Limited Power of Attorney shall remain
in full force and effect until revoked by the undersigned in a signed
writing delivered to such attorney-in-fact or until the undersigned is no
longer required to file Forms 3, 4, and 5 with regards to the undersigned's
ownership of, or transaction in the Company's securities.

IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 8th day of March, 2019.


/s/ Jonathon M. Singer
Signature

Jonathon M. Singer
Print Name