Rutten Guillaume Marie Jean

About Rutten Guillaume Marie Jean

Giel Rutten is an international semiconductor executive best known for serving as President and Chief Executive Officer of Amkor Technology, Inc. He joined Amkor in 2014 and was appointed President, Chief Executive Officer, and Director in June 2020. In October 2025, Amkor announced that he planned to retire as CEO at the end of 2025 while remaining on the Board of Directors, underscoring his continuing role in the company’s governance. ([ir.amkor.com](https://ir.amkor.com/news-releases/news-release-details/amkor-announces-leadership-change?utm_source=openai)) At Amkor, Rutten initially served as Executive Vice President responsible for Advanced Products, a strategically important role focused on advanced packaging and test solutions. That assignment placed him at the center of one of the most technical and growth-oriented parts of the semiconductor industry. Amkor described him as an experienced business leader with deep industry knowledge and a strong understanding of the company’s operations and global market position. ([ir.amkor.com](https://ir.amkor.com/news-releases/news-release-details/amkor-technology-appoints-giel-rutten-executive-vice-president?utm_source=openai)) Before joining Amkor, he served as Chief Executive Officer of Ledzworld, an LED technology company. He also held the position of Senior Vice President and General Manager of the Home business unit at NXP, where he had broad commercial and operational responsibilities. Earlier in his career, he joined Philips Semiconductors in 1984 and held multiple management roles spanning general management, marketing, operations, and engineering across Europe, Asia, and the United States. That career path reflects long-standing experience in global technology businesses, cross-border leadership, and operational execution. ([amkor.com](https://amkor.com/leadership/giel-rutten-2/?utm_source=openai)) During his tenure at Amkor, Rutten was closely associated with the company’s emphasis on advanced packaging, high-growth end markets, and long-term strategic positioning. Amkor specifically credited him with helping sharpen the company’s focus on advanced packaging leadership and markets such as high-performance computing and AI. The company also highlighted the groundbreaking of its advanced packaging and test campus in Arizona as part of his leadership legacy, reinforcing Amkor’s commitment to strengthening U.S. semiconductor manufacturing. ([ir.amkor.com](https://ir.amkor.com/news-releases/news-release-details/amkor-technology-reports-financial-results-third-quarter-2025?utm_source=openai))