Tower Semiconductor Ltd. (TSEM)
Who runs Tower Semiconductor Ltd.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedRussell C. Ellwanger has run Tower as chief executive since May 2005 and has sat on its board since September 2016, after an earlier spell as a director from May 2005 to April 2013. He came from the equipment side of the industry: from 1998 to 2005 he held executive posts at Applied Materials, the last running its Applied Global Services group, after working at Novellus Systems from 1992 to 1996 and at Philips Semiconductors from 1980 to 1992. 123
The senior team is long-serving. Dr. Marco Racanelli, president since November 2023, earlier ran the analog business unit from December 2018 and the Newport Beach site from April 2014, and before that was vice president of technology and engineering at Jazz Semiconductor. Oren Shirazi joined in October 1998 as vice controller and has been chief financial officer since November 2004; he had been an audit manager at Ratzkovski-Fried, a firm later merged into Ernst & Young in Israel. Rafi Mor, chief operating officer since August 2014, ran TowerJazz Japan from October 2011 and started out at National Semiconductor. Dr. Avi Strum, listed as chief technology officer, has led the sensors and displays business unit since 2018 and earlier worked at TransChip and, from 1996 to 2001, at Intel. 45678910111213
Amir Elstein has chaired the board since January 2009; he spent 23 years at Intel, finally as general manager of its Israeli subsidiary. Kalman Kaufman, a director since 2005, founded KLA Instruments Israel and was a corporate vice president at Applied Materials from 1994 to 2005. Avi Hasson was chief scientist at Israel's Ministry of Economy and Industry and chairman of the Israel Innovation Authority from 2011 to 2017. The two newest directors come from chip supply chains: Sagi Ben Moshe, a director since May 2024, held senior roles at Intel, and Carolin Seward, a director since December 2024, runs custom silicon sourcing and operations at Google. In March 2026 the directors and senior managers together owned 0.50% of the shares, none of them as much as one percent. On the record this site holds, the chief executive and nine directors all filed their first insider reports with the SEC in July 2026. 1415161718192021222324
At the end of 2025 Tower counted 5,316 employees, against 5,359 a year earlier and 5,215 at the end of 2023. Most work in the fabs: 3,612 in operations and 625 in operations support; 852 work in process and product engineering, research and design, and 227 in sales, marketing, finance and administration. Japan has the most, 2,398, then the United States with 1,586 and Israel with 1,296; 36 work elsewhere in Asia and Europe. The research departments count 430 professionals, 59 of them with doctorates. Most of the staff at the Japanese fabs, and part of the staff at the Newport Beach fab, are represented by unions. 2526272829
Sources (29)
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Ellwanger Russell Craig | Chief Executive Officer | May 2026 | Aug 12, 2026 | 37 · $60.0M |
| Racanelli Marco | President | May 2026 | May 29, 2026 | none |
| Shirazi Oren | Chief Financial Officer | May 2026 | May 29, 2026 | none |
| Mor Rafy | Chief Operating Officer | May 2026 | May 29, 2026 | none |
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Chelouche Yoav | director | May 2026 | Sep 14, 2026 | 1 · $0.00 |
| Avner Iris | director | May 2026 | Jul 6, 2026 | none |
| Ben Moshe Sagi | director | May 2026 | Jul 6, 2026 | none |
| Elstein Amir | director | May 2026 | Jul 6, 2026 | none |
| Gross Dana Rebecca | director | May 2026 | Jul 6, 2026 | none |
| Hasson Avi | director | May 2026 | Jul 6, 2026 | none |
| Kaufman Kalman | director | May 2026 | Jul 6, 2026 | none |
| Seward Carolin T | director | May 2026 | Jul 6, 2026 | none |
| Vakrat Wolkin Michal | director | May 2026 | Jul 6, 2026 | none |
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.