About
Douglas T. Dietrich is Chairman and Chief Executive Officer of Minerals Technologies Inc. (MTI), serving as CEO since December 2016 and Chairman since March 2021, and has held numerous senior roles there since joining in 2007, including Senior Vice President, Finance and Treasury and Chief Financial Officer. He joined Kennametal's Board in 2025 and serves on the Audit Committee.
Roles
Kennametal Inc.
Director; Audit Committee · Current role
2025–present
Minerals Technologies Inc.
Chief Executive Officer · Became CEO of MTI in December 2016.
December 2016
Minerals Technologies Inc.
Senior Vice President, Finance and Treasury and Chief Financial Officer · Held the CFO role with responsibility for the overall finance function.
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Alcoa Inc.
Leadership positions · Held positions of increasing responsibility, including President, Alcoa Latin America.
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External Roles
Minerals Technologies Inc.
Chairman of the Board
March 2021
Director Compensation
FY FY2025
Fees earned or paid in cash
$35,415
Stock (RSU) awards
$60,417
All other compensation
$70