# AMKOR TECHNOLOGY

AMKOR TECHNOLOGY is an Asset Manager based in Tempe, United States.

## Overview

- **Organization type:** Asset Manager
- **Headquarters:** Tempe, United States
- **Region:** North America
- **Address:** Tempe, AZ, United States
- **Founded:** 1968
- **Assets under management:** Undisclosed
- **Website:** amkor.com
- **LinkedIn:** https://www.linkedin.com/company/amkor-technology

## Regulatory record

- **Reports private funds:** No

## About

The Kim family established Amkor Technology in 1968, originally operating from South Korea before moving its headquarters to the United States and listing on Nasdaq in 1998. Founder James Kim, a pioneer in the outsourced semiconductor assembly and test industry, recognized early that chip designers would increasingly separate fabrication from packaging. Today his children, Susan Kim as Executive Vice Chairman and John Kim as a former executive, remain central to governance alongside professional CEO Giel Rutten, who assumed the role in 2018. Amkor does not deploy capital as a financial investor; its deployment is industrial capex directed into advanced packaging facilities that directly serve the semiconductor supply chain. The firm operates roughly 20 production sites across Asia and Southern Europe, with flagship factories in South Korea, China, Japan, the Philippines, Malaysia, Taiwan, and Portugal. Its advanced packaging technologies — including wafer-level packaging, flip-chip, and system-in-package — are embedded in flagship devices from Apple, automotive chips from Texas Instruments, and data-center processors from AMD. Amkor's capital allocation strategy targets multi-hundred-million-dollar facility buildouts, most recently a planned $2 billion advanced packaging and test facility in Peoria, Arizona. Amkor employs approximately 30,000 people globally and generated nearly $7.1 billion in revenue in 2023. Its scale is industrial, not financial, though the Kim family's controlling stake represents one of the larger technology fortunes held through a publicly traded vehicle. The family philanthropy operates through the James & Agnes Kim Foundation, which supports educational and community initiatives. In late 2023, Amkor announced the selection of Peoria, Arizona for its first US advanced packaging facility, targeting production for autonomous vehicle and high-performance computing chips (per the firm, November 2023). Amkor's structural differentiator lies in its permanence as a family-controlled public company in an industry dominated by founder-led or fully diffuse enterprises. The Kim family maintains significant equity and board control through a dual-class structure, insulating long-term facility investments from activist pressure. Combined with its strategy of colocating packaging plants adjacent to customer foundries in Asia, Amkor occupies a position that would take decades and billions to replicate — a genuine moat built on physical infrastructure and trade-secret process technology rather than software algorithms.

## Sectors

- Industrial Tech

## People

- Giel Rutten — President and Chief Executive Officer
- James Kim — Executive Chairman of the Board
- Susan Kim — Executive Vice Chairman

## Questions

### Who controls Amkor Technology?

The Kim family controls Amkor Technology through a dual-class share structure. Founder James Kim serves as Executive Chairman, and his daughter Susan Kim serves as Executive Vice Chairman. Day-to-day operations are led by President and CEO Giel Rutten, who has held the role since 2018.

### How does Amkor fit into the semiconductor supply chain?

Amkor is an outsourced semiconductor assembly and test provider — it takes silicon wafers from foundries like TSMC and Samsung, packages them into finished chips, and tests them before shipment. Its customers include fabless chip designers (Apple, Qualcomm, AMD, Nvidia), integrated device manufacturers (Intel, Texas Instruments), and automotive suppliers. Amkor does not design or fabricate chips; it sits in the final manufacturing step between foundry and end product.

### Where are Amkor's production facilities located?

Amkor operates manufacturing facilities in South Korea, China, Japan, the Philippines, Malaysia, Taiwan, and Portugal. In 2023, the firm announced plans to build its first US advanced packaging facility in Peoria, Arizona, targeting automotive and high-performance computing chip production.

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Last updated: 2026-06-03T20:00:00.000Z

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