Templeton is credited by the company with helping define and implement a strategy that is focused on semiconductors for signal processing.

[8] During a 2015 speaker series at the University of Texas at Austin McCombs School of Business, Templeton discussed his workplace mandate to create an environment where employees feel engaged in work, and participate in community projects, including local STEM programs funded by TI.

[12] In January 2023, Texas Instruments announced Templeton will step down on April 1, to be replaced by its chief operating officer Haviv Ilan.

[13] Templeton is a member of the Business Roundtable,[14] and serves on the board of directors of the Semiconductor Industry Association (SIA).

[14] Templeton married Mary Haanen, whom he met while both were students at Union College;[15] they live in Parker, Texas with their three children.