LIMITED POWER OF ATTORNEY
The undersigned hereby constitutes and appoints Michael Lester,
Ryan Pardo and Dayna Mudge, and each of them individually, with full
power of substitution, as the undersigned's true and lawful attorney-in-
fact to:
(1) prepare, execute in the undersigned's name and on the
undersigned's behalf, and submit to the U.S. Securities and
Exchange Commission (the "SEC") a Form ID, including amendments
thereto, and any other documents necessary or appropriate to
obtain codes and passwords enabling the undersigned to make
electronic filings with the SEC of reports required by Section
16(a) of the Securities Exchange Act of 1934, as amended, or any
rule or regulation of the SEC;
(2) execute for and on behalf of the undersigned, in the
undersigned's capacity as officer and/or director of LifeStance
Health Group, Inc. (the "Company"), Forms 3, 4, 5 and any
Schedules 13D or 13G in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended, and the rules
thereunder;
(3) do and perform any and all acts for and on behalf of the
undersigned that may be necessary or desirable to complete and
execute any such Form 3, 4, or 5 or Schedule 13D or 13G,
complete and execute any amendment or amendments thereto, and
timely file such form with the SEC and any stock exchange or
similar authority; and
(4) take any other action of any type whatsoever in connection with
the foregoing that, in the opinion of each 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 each 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 each
such attorney-in-fact may approve in each 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 or revocation, hereby ratifying and
confirming all that each such attorney-in-fact, or 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 each foregoing
attorney-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 16 of the
Securities Exchange Act of 1934, as amended.
This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, 5, and
any Schedules 13D or 13G 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 each
foregoing attorney-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 26th day of May, 2021.
/s/ Robert Bessler
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Name: Robert Bessler
