Mr. Ellwanger was appointed Chief Executive Officer of Tower Semiconductor in May 2005. In the interim, the TowerJazz management team grew a $100 million revenue, debt burdened company to $1.25 billion revenue, $200 million net profit in 2016, increasing the market cap by a factor of twenty two. The company has become the world leader in specialty analog foundry solutions with seven manufacturing and development facilities located over Israel, the United States and Japan. Previously, from 1998 to 2005, he served in various executive positions for Applied Materials Corporation, including Group Vice President, General Manager of the Applied Global Services (AGS) division from 2004 to 2005, and Group Vice President, General Manager of the CMP and Electroplating Business Group from 2002 to 2004. Mr. Ellwanger also served as Corporate Vice President, General Manager of the Metrology and Inspection Business Group from 2000 to 2002, during which he was based in Israel. From 1998 to 2000, he served as Vice President of Applied Materials' 300-mm Program Office, USA. He served as General Manager of Applied Materials' Metal CVD Division from 1997 to 1998 and from 1996 to 1997, he served as Managing Director of CVD Business Development, during which he was based in Singapore. In addition, Mr. Ellwanger held various managerial positions at Novellus Systems, Inc. from 1992 to 1996 and at Philips Semiconductors from 1980 to 1992.