POWER OF ATTORNEY
Know all by these presents, that the undersigned hereby constitutes and
appoints each of Chris W. Trester and Yujin Yi of Gibson, Dunn & Crutcher LLP,
with full power of substitution, 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 the Securities Exchange Act of 1934 or any rule
or regulation of the SEC;
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 such
Form ID and file such form with the SEC and any stock exchange or
similar authority; and
3. execute for and on behalf of the undersigned, Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934
and the rules thereunder and Schedules 13D and 13G in accordance
with Section 13 of the Securities Exchange Act of 1934 and the rules
thereunder;
4. 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
Form 3, 4, or 5 or Schedules 13D or 13G, complete and execute any
amendment or amendments thereto, and timely file such form with the
SEC and any securities 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 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 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 the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
any of the undersigned's responsibilities to comply with the Securities Exchange
Act of 1934 or any rule or regulation of the SEC.
This Power of Attorney shall remain in full force and effect until the
(a) the undersigned is no longer required to file Forms 3, 4, and 5 or Schedules
13D or 13G with respect to the undersigned's holdings or (b) revocation 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 23 day of October, 2020.
Fairmount Healthcare Fund GP LLC
Fairmount Healthcare Fund II GP LLC
By: /s/ Tomas Kiselak
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Name: Tomas Kiselak
Title: Managing Member
