Douglas Dietrich

Chief Executive Officer at MINERALS TECHNOLOGIES INC.

Net worth: 14 M $ as of 2026-07-30

57 year

91 connections

Non-Energy Minerals

Consumer Services

Producer Manufacturing

Profile

Douglas T.
Dietrich is currently Chairman & Chief Executive Officer at Minerals Technologies, Inc. since 2021, Chairman & Chief Executive Officer at Colloid Environmental Technologies Co. LLC, Chairman-Penn Cultural Heritage Center at the University of Pennsylvania Museum of Archaeology & Anthropology, Director at AMCOL International Corp.
since 2014, Independent Director at Kennametal, Inc. starting in 2025, and Member of the Trustees of the University of Pennsylvania.
Formerly, Mr. Dietrich was Vice President-Wheel Products at Arconic, Inc. from 2006 to 2007.
Education includes an undergraduate degree from the University of Michigan conferred in 1991 and an MBA from The Wharton School of the University of Pennsylvania conferred in 2000.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
MINERALS TECHNOLOGIES INC. 0.58%	2026-05-13	180,708 ( 0.58% )	14 M $	2026-07-30
KENNAMETAL INC. 0%	2026-08-24	816 ( 0% )	27 720 $	2026-07-30

Douglas Dietrich active positions

Companies	Position	Start
MINERALS TECHNOLOGIES INC.	Chief Executive Officer	2016-09-05
AMCOL INTERNATIONAL CORPORATION	Director/Board Member	2014-05-08
KENNAMETAL INC.	Director/Board Member	2025-01-31
University of Pennsylvania Museum of Archaeology & Anthropolog	Corporate Officer/Principal	-
Colloid Environmental Technologies Co. LLC Colloid Environmental Technologies Co. LLC Construction MaterialsNon-Energy Minerals Produces clays and polymers	Chief Executive Officer	-
Trustees of the University of Pennsylvania Trustees of the University of Pennsylvania Investment Trusts/Mutual FundsMiscellaneous Provides educational trust services	Corporate Officer/Principal	-

All active positions of Douglas Dietrich

Former positions of Douglas Dietrich

Companies	Position	End
Arconic, Inc. Arconic, Inc. AluminumNon-Energy Minerals Manufactures aluminum products, fabricated aluminum and other alloys	Corporate Officer/Principal	2006-12-31

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Training of Douglas Dietrich

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Private companies

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Connections

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Linked companies

Private companies	9
Arconic, Inc. Arconic, Inc. AluminumNon-Energy Minerals Manufactures aluminum products, fabricated aluminum and other alloys	Non-Energy Minerals
AMCOL International Corp. AMCOL International Corp. Other Metals/MineralsNon-Energy Minerals Produces and markets specialty minerals & chemicals	Non-Energy Minerals
Kennametal, Inc. Kennametal, Inc. Industrial MachineryProducer Manufacturing Manufactures cutting tools and tooling systems	Producer Manufacturing
Minerals Technologies, Inc. Minerals Technologies, Inc. Chemicals: SpecialtyProcess Industries Manufactures and supplies bentonite-based and synthetic materials for consumer oriented and industrial markets	Process Industries
Colloid Environmental Technologies Co. LLC Colloid Environmental Technologies Co. LLC Construction MaterialsNon-Energy Minerals Produces clays and polymers	Non-Energy Minerals
University of Michigan University of Michigan Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
The Wharton School of the University of Pennsylvania The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Pennsylvania Museum of Archaeology & Anthropolog
Trustees of the University of Pennsylvania Trustees of the University of Pennsylvania Investment Trusts/Mutual FundsMiscellaneous Provides educational trust services	Miscellaneous