Semiconductors — also known as microchips — are the brains behind everything essential to modern life — smartphones, computers, cars, the internet, GPS and artificial intelligence. And one of the brains behind Taiwan Semiconductor Manufacturing Company ’s Arizona operations is Rose Castanares, president of TSMC Arizona.

“Our customers design and sell the chips; we manufacture them,” Castanares says. “That means they trust us with their crown jewels — their intellectual property. There is a great deal of trust and collaboration between TSMC and our customers, which is unique in the industry. Most semiconductor companies design, manufacture and sell. TSMC strictly focuses on manufacturing.”

TSMC’s focus on manufacturing led the company to Arizona, where the company’s $165 billion investm

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