![Stephen Macadam](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>)
Stephen Macadam
Chairman at
ATMUS FILTRATION TECHNOLOGIES INC.
Net worth: 5 M $ as of 31/05/2026
Profile
Stephen E.
Macadam is currently President & Chief Executive Officer at Garlock Sealing Technologies LLC.
He is Chairman at Atmus Filtration Technologies, Inc. since 2022.
He serves as Independent Director at Louisiana-Pacific Corp.
since 2019 and at Sleep Number Corp.
since 2023.
He is also Director at Purpose Built Communities.
Former positions include President & Chief Executive Officer at Altium Packaging LP from 2001 to 2005; Chief Executive Officer at BlueLinx Holdings, Inc. and BlueLinx Corp.
from 2005 to 2008; Vice Chairman at Enpro, Inc. from 2019 to 2020; Chairman at Veritiv Corp.
from 2020 to 2023; Independent Director at Westlake Chlor-Vinyls Corp.
from 2011 to 2014; Independent Director at Valvoline, Inc. from 2016 to 2023; Executive Vice President-Pulp & Paperboard at Georgia-Pacific LLC from 2000 to 2001; Partner & Principal at McKinsey & Co., Inc. from 1988 to 1998; President at Coltec Industries, Inc.; Director at SOLO Cup Co.; and Trustee at MAPI, Inc. Education includes graduate studies at Boston College, an undergraduate degree from the University of Kentucky conferred in 1982, and an MBA from Harvard Business School conferred in 1988.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 08/05/2026 | 41,095 ( 0.06% ) | 3 M $ | 31/05/2026 | |
| 12/05/2026 | 38,588 ( 0.05% ) | 2 M $ | 31/05/2026 | |
| 12/06/2026 | 30,437 ( 0.13% ) | 36 220 $ | 31/05/2026 |
Stephen Macadam active positions
| Companies | Position | Start |
|---|---|---|
| LOUISIANA-PACIFIC CORPORATION | Director/Board Member | 07/02/2019 |
| ATMUS FILTRATION TECHNOLOGIES INC. | Chairman | 01/01/2022 |
| SLEEP NUMBER CORPORATION | Director/Board Member | 07/11/2023 |
Purpose Built Communities
 Purpose Built Communities Services to the Health IndustryHealth Services Provides community housing services | Director/Board Member | - |
Garlock Sealing Technologies LLC
 Garlock Sealing Technologies LLC Industrial MachineryProducer Manufacturing Manufactures and distributes seals for industrial machineries | Chief Executive Officer | - |
Former positions of Stephen Macadam
| Companies | Position | End |
|---|---|---|
| VERITIV CORPORATION | Chairman | 30/11/2023 |
| VALVOLINE INC. | Director/Board Member | 26/01/2023 |
| ENPRO INC. | Chief Executive Officer | 29/07/2019 |
| AXIALL CORP | Director/Board Member | 20/05/2014 |
| ░░░░░░░░ ░░░░░░░░ ░░░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | ░░░░░░░░░░ |
Training of Stephen Macadam
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
96
1st degree connections
20
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 20 |
|---|---|
Coltec Industries, Inc.
 Coltec Industries, Inc. Aerospace & DefenseElectronic Technology Manufactures aerospace & defense products | Electronic Technology |
Westlake Chlor-Vinyls Corp.
 Westlake Chlor-Vinyls Corp. Miscellaneous Commercial ServicesCommercial Services Provides business services at non-commercial site | Commercial Services |
Georgia-Pacific LLC
 Georgia-Pacific LLC Construction MaterialsNon-Energy Minerals Manufactures building, wood, paper and gypsum products | Non-Energy Minerals |
Louisiana-Pacific Corp.
 Louisiana-Pacific Corp. Forest ProductsNon-Energy Minerals Manufactures engineered wood building materials | Non-Energy Minerals |
Sleep Number Corp.
 Sleep Number Corp. Home FurnishingsConsumer Durables Manufactures air and specialty mattresses | Consumer Durables |
Altium Packaging LP
 Altium Packaging LP Containers/PackagingProcess Industries Manufactures and supplies plastic packaging solutions | Process Industries |
Enpro, Inc.
 Enpro, Inc. Industrial MachineryProducer Manufacturing Manufactures and sells gaskets, sealing products, optical filters, thin film coatings & wafer processing sub-systems | Producer Manufacturing |
BlueLinx Holdings, Inc.
 BlueLinx Holdings, Inc. Wholesale DistributorsDistribution Services Operates as a holding company and distributes building products | Distribution Services |
McKinsey & Co., Inc.
 McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a management consulting firm | Commercial Services |
Solo Cup Co.
 Solo Cup Co. Miscellaneous ManufacturingProducer Manufacturing Produces and markets single-use products used to serve food and beverages | Producer Manufacturing |
Garlock Sealing Technologies LLC
Garlock Sealing Technologies LLC Industrial MachineryProducer Manufacturing Manufactures and distributes seals for industrial machineries | Producer Manufacturing |
Boston College
 Boston College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Kentucky
 University of Kentucky Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
MAPI, Inc.
 MAPI, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that connects manufacturing leaders with the ideas they need to make smarter decisions | Commercial Services |
BlueLinx Corp.
 BlueLinx Corp. Wholesale DistributorsDistribution Services Distributes building products | Distribution Services |
Valvoline, Inc.
 Valvoline, Inc. Other Consumer ServicesConsumer Services Provides automotive preventive maintenance that includes oil change and vehicle repair through stores & franchising services | Consumer Services |
Purpose Built Communities
Purpose Built Communities Services to the Health IndustryHealth Services Provides community housing services | Health Services |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Veritiv Corp.
 Veritiv Corp. Containers/PackagingProcess Industries Manufactures and distributes packaging products & provides printing and facility solutions | Process Industries |
Atmus Filtration Technologies, Inc.
 Atmus Filtration Technologies, Inc. Auto Parts: OEMProducer Manufacturing Designs, manufactures and sells filtration products for commercial, agriculture, construction, mining and power generation vehicles & equipment | Producer Manufacturing |
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