Cereplast, a bioplastics manufacturer, has appointed Michael Okada as its chief accounting officer, vice president and interim chief financial officer, effective immediately.

Okada assumes the position from Heather Sheehan.

He joined Cereplast in April 2011 as vice president and corporate controller.

Prior to joining the company, he served as vice president of finance and corporate controller for Mindspeed Technologies, where he was responsible for general and international accounting, SEC reporting and Sarbanes-Oxley Act compliance. He has more than 20 years of experience in accounting and finance.