Patrick Eugene Haggerty was an American engineer and businessman. He was a co-founder and former president and chairman of Texas Instruments, Incorporated (TI). Under his leadership, the company grew from a small Texas oil exploration company into a global leader in the semiconductor industry. During his tenure, TI invested in transistors when their commercial value was still much in question, created the first silicon transistor, the first commercial transistor radio, the first integrated circuit, and helped develop and produce the first single chip microprocessor.

Texas Instruments Incorporated (TI) is an American semiconductor company headquartered in Dallas, Texas that designs and manufactures semiconductors and various integrated circuits. It is one of the top 10 semiconductor companies worldwide based on sales volume. The company's focus is on developing analog chips and embedded processors, which account for more than 80% of its revenue. TI also produces TI digital light processing technology and education technology products including calculators, microcontrollers, and multi-core processors. The company holds 45,000 patents worldwide as of 2016.