Sientra, Inc. announced that Patrick F. Williams has been appointed Chief Financial Officer, Senior Vice President, and Treasurer, effective immediately. Mr. Williams brings with him nearly 20 years of financial management experience and public company experience. He succeeds Matthew Pigeon, who is stepping down from his role as Chief Financial Officer and Senior Vice President to pursue other opportunities.

Most recently, Mr. Williams served as Senior Vice President and Chief Financial Officer at ZELTIQ Aesthetics. Mr. Williams was at ZELTIQ for approximately four years and was responsible for executive management of the finance and investor relations functions, development of the worldwide budget and forecast, and implementation of necessary infrastructure changes to support top-line growth and operating margin expansion.