REDWOOD CITY, Calif.--(BUSINESS WIRE)--Codexis, Inc. (NASDAQ:CDXS), a developer of industrial enzymes to enable the cost-advantaged production of biofuels, bio-based chemicals and pharmaceutical intermediates, today announced that Brian Dowd has resigned as interim Chief Financial Officer, Vice President and Controller, effective June 28, 2012, in order to accept a position at a private technology company. John J. Nicols, the company’s newly appointed President and Chief Executive Officer, and the Board of Directors will continue Codexis’ ongoing search for a permanent CFO.