Exhibit 24
POWER OF ATTORNEY

      With respect to holdings of and transactions in securities
issued by Sana Biotechnology, Inc. (the "Company"), the undersigned
hereby constitutes and appoints the individuals named on Schedule A
attached hereto and as may be amended from time to time, or any of
them signing singly, with full power of substitution and
resubstitution, to act as the undersigned's true and lawful attorney-
in-fact to:

1.	execute for and on behalf of the undersigned, Schedules 13D
and 13G in accordance with Section 13 of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and
the rules and regulations thereunder, Forms 3, 4, and 5 in
accordance with Section 16 of the Exchange Act and the rules
thereunder, and a 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 which may be necessary or desirable to complete
and execute any such Schedule 13D or 13G or Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and
timely file such schedule or form with the SEC and any stock
exchange or similar authority; and

3.	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 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 and
resubstitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or such attorneys-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 Section 13 and Section
16 of the Exchange Act.

      This Power of Attorney supersedes any power of attorney
previously executed by the undersigned regarding the purposes
outlined in the first paragraph hereof ("Prior Powers of Attorney"),
and the authority of the attorneys-in-fact named in any Prior Powers
of Attorney is hereby revoked.

      This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Schedule 13D and
13G and Forms 3, 4, and 5 with respect to the undersigned's holdings
of and transactions in securities issued by the Company, unless
earlier (a) revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact or (b) superseded by a new power
of attorney regarding the purposes outlined in the first paragraph
hereof dated as of a later date.


	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of February 15, 2023.


/s/ Christian Hordo
Christian Hordo



Schedule A

Individuals Appointed as Attorney-in-Fact with Full Power of
Substitution and Resubstitution

1. Steven D. Harr
2. Nathan Hardy
3. Bernard J. Cassidy
4. Julie Shah