POWER OF ATTORNEY



(For Executing Form ID and Forms 3, 4 and 5)



 Know all by these presents, that the undersigned hereby

constitutes and appoints each of Barry Shin, Scott Applebaum and

Joel Solomon of Trevena, Inc. (the "Company"), signing individually,

the undersigned's true and lawful attorneys-in-fact and agents to:



 (1) Prepare, execute in the undersigned's name and on the

undersigned's behalf, and submit to the the Securities and Exchange

Commission (the "SEC") Form ID and Forms 3, 4 and 5 (including

amendments thereto andjoint filing agreements in connection therewith)

in accordance with Section 16(a) of the Securities Exchange Act of 1934,

as amended (the "Exchange Act") and the rules thereunder in the

undersigned's capacity as an officer, director or beneficial owner of

more than 10% of a registered class of securities of the Company;



 (2) Do and perform any and all acts for and on behalf of the

undersigned that may be necessary or desirable to prepare and execute any

such Form ID and Forms 3, 4 or 5 (including amendments thereto and joint

filing agreements in connection therewith) and file such forms with the

SEC and any stock exchange, self-regulatory association or any similar

authority; and



 (3) Take any other action of any type whatsoever in connection

with the foregoing that, in the opinion of such attorney-in-fact, may be

of benefit to, in the best interest of, or legally required of the undersigned,

it being understood that the documents executed by the 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 the attorney-in-fact

may approve in the 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 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, and

their substitutes, 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

Exchange Act.



 This Power of Attorney shall remain in full force and effect until

the earliest to occur of (a) the undersigned is no longer required to file

Form ID or Forms 3, 4 and 5 with respect to the undersigned's holdings of

and transactions in securities issued by the Company, (b) revocation by

the undersigned in a signed writing delivered to the Company and the

foregoing attorneys-in fact or (c) as to any attorney-in-fact individually,

until such attorney-in-fact is no longer employed by the Company.



 IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney

to be executed as of the date written below.



    By:  /s/ Marvin H. Johnson, Jr.

    Name: Marvin H. Johnson, Jr.

Date: March 17, 2021  Title: Member of the Board

                                       of Directors