EMERYVILLE, Calif. (AP) -- Amyris Chief Financial Officer Steve Mills is stepping down from the post for personal reasons.
The renewable chemicals and fuels company said Friday that Paulo Diniz, president of Amyris Brasil, will serve as interim CFO. Diniz has served as president of the Brazilian subsidiary since early 2011.
Diniz will start serving in the interim role by Dec. 15 and Mills will shift to an adviser.
Amyris Inc. said that it has started a search for a permanent CFO.
Amyris shares finished at $2.67 on Thursday. Its shares are down 14 percent so far this year.