![Douglas Dietrich](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Douglas Dietrich
Chief Executive Officer at
MINERALS TECHNOLOGIES INC.
Net worth: 14 M $ as of 30/05/2026
Profile
Douglas T.
Dietrich is Chairman & Chief Executive Officer at Minerals Technologies, Inc. since 2021 and has been with the company since 2007.
Mr. Dietrich is Chairman & Chief Executive Officer at Colloid Environmental Technologies Co. LLC.
Mr. Dietrich is Chairman-Penn Cultural Heritage Center at the University of Pennsylvania Museum of Archaeology & Anthropology.
Mr. Dietrich is Director at AMCOL International Corp.
since 2014.
Mr. Dietrich is Independent Director at Kennametal, Inc. starting in 2025.
Mr. Dietrich is a Member at Penn Museum.
Mr. Dietrich was Vice President-Wheel Products at Arconic, Inc. from 2006 to 2007.
Mr. Dietrich completed undergraduate studies at the University of Michigan in 1991.
Mr. Dietrich earned an MBA from The Wharton School of the University of Pennsylvania in 2000.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 13/05/2026 | 180,708 ( 0.58% ) | 14 M $ | 30/05/2026 | |
| 25/05/2026 | 816 ( 0% ) | 26 765 $ | 30/05/2026 |
Douglas Dietrich active positions
| Companies | Position | Start |
|---|---|---|
| MINERALS TECHNOLOGIES INC. | Chief Executive Officer | 05/09/2016 |
| AMCOL INTERNATIONAL CORPORATION | Director/Board Member | 08/05/2014 |
| KENNAMETAL INC. | Director/Board Member | 31/01/2025 |
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 | - |
Penn Museum | Corporate Officer/Principal | - |
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 | 31/12/2006 |
Training of Douglas Dietrich
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
91
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
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 | |
Penn Museum |
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