POWER OF ATTORNEY





 KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes

and appoints Nicole Kelsey, Stephen Dobson, and Bruna Lawant, each with

power to act without the other, his or her true and lawful

attorney-in-fact to:



 (1) execute for and on behalf of the undersigned, in the undersigneds

capacity as a director and/or officer of Amyris, Inc. (the Company),

any and all Form ID filings, Forms 3, 4 and 5 reports and any amendments

thereto required to be filed by the undersigned in accordance with

Section 16(a) of the Securities Exchange Act of 1934 and the rules

and regulations thereunder with respect to transactions in Company

securities;



 (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 Form ID filings, Forms 3, 4 and 5 reports and any amendments

thereto and timely file such forms with the United States

Securities and Exchange Commission and any stock exchange or similar authority;

and



 (3) take any other action 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 in connection with the

foregoing powers.



 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, 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 any such attorney-in-fact, or such attorney-in-facts

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 such attorney-in-fact,

in serving in such capacity at the request of the undersigned,

is not assuming, nor is the Company assuming, any of the undersigneds

responsibilities to comply with Section 16 of the

Securities Exchange Act of 1934.



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

the undersigned is no longer required to file Forms 3, 4 or 5 with respect

to the undersigneds holdings of and transactions in Company securities,

unless earlier revoked by the undersigned in a signed writing

delivered to any of the foregoing attorneys-in-fact.



 IN WITNESS WHEREOF, the undersigned has caused this Power of

Attorney to be executed as of this 2nd day of June 2019.





By:  /s/ Jonathan Wolter

         (signature)



Name:  Jonathan Wolter