![James O'Leary](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>)
James O'Leary
Chief Executive Officer at
DMC GLOBAL INC.
Net worth: 8 M $ as of 2026-05-30
Profile
Mr. James O'Leary is an Executive Chairman, President & CEO at DMC Global, Inc., an Independent Director at Builders FirstSource, Inc. and a Chairman at Kinematics LLC.
He is on the Board of Directors at ProSource LLC, Builders FirstSource, Inc., Sentient Science Corp.
and Superwinch LLC.
Mr. O'Leary was previously employed as an Executive Chairman & Chief Executive Officer by Wireco Worldgroup, Inc., an Independent Director by BMC Stock Holdings, Inc., a Chairman.
President & Chief Executive Officer by Kaydon Corp., a Chief Financial Officer & Executive Vice President by Beazer Homes USA, Inc., a Chairman & Chief Executive Officer by LCA Group, Inc., an Independent Director by Mortgage Contracting Services LLC, a Chief Financial Officer & Executive Vice President by Rexnord-Zurn Holdings, Inc., an Advisor by SKF AB, and a Chief Executive Officer & Director by Wildcat (Dutch) BV.
He also served on the board at Building Materials Holding Corp.
and The Ann Arbor YMCA. He received his undergraduate degree from Pace University and an MBA from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-31 | 91,231 ( 0.08% ) | 7 M $ | 2026-05-30 | |
DMC GLOBAL INC. 0.94% | 2026-03-18 | 191,392 ( 0.94% ) | 1 M $ | 2026-05-30 |
James O'Leary active positions
| Companies | Position | Start |
|---|---|---|
| BUILDERS FIRSTSOURCE, INC. | Director/Board Member | 2020-12-31 |
| DMC GLOBAL INC. | Chief Executive Officer | 2024-11-28 |
Superwinch LLC
 Superwinch LLC Trucks/Construction/Farm MachineryProducer Manufacturing Provides electric and hydraulic winches | Director/Board Member | - |
Kinematics LLC
 Kinematics LLC Industrial MachineryProducer Manufacturing Manufactures hourglass slewing drives, slewing rings, double-enveloping worm gear sets and right-angle rotators | Chairman | 2014-12-31 |
Sentient Science Corp.
 Sentient Science Corp. Packaged SoftwareTechnology Services Provides digital twin technology solutions to predict short and long-term failure rates for mechanical systems | Director/Board Member | - |
ProSource LLC
 ProSource LLC Wholesale DistributorsDistribution Services Wholesales plumbing and building materials | Director/Board Member | 2021-12-31 |
Former positions of James O'Leary
| Companies | Position | End |
|---|---|---|
| BMC STOCK HOLDINGS, INC. | Director/Board Member | 2020-12-31 |
Wireco Worldgroup, Inc.
 Wireco Worldgroup, Inc. Metal FabricationProducer Manufacturing Manufactures and distributes wire & synthetic rope | Chief Executive Officer | 2019-06-30 |
| SKF AB | Corporate Officer/Principal | 2013-12-31 |
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Training of James O'Leary
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
50
1st degree connections
19
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 19 |
|---|---|
Beazer Homes USA, Inc.
 Beazer Homes USA, Inc. HomebuildingConsumer Durables Constructs single-family homes and planned communities | Consumer Durables |
DMC Global, Inc.
 DMC Global, Inc. Oilfield Services/EquipmentIndustrial Services Operates as a holding company with interest in designs, manufactures and distributes products utilized by the oil and gas industry & produces explosion-welded clad metal plates | Industrial Services |
Kaydon Corp.
 Kaydon Corp. Metal FabricationProducer Manufacturing Designs, manufactures and sells slewing ring bearings | Producer Manufacturing |
Building Materials Holding Corp.
 Building Materials Holding Corp. Wholesale DistributorsDistribution Services Supplies building materials and provides construction services | Distribution Services |
LCA Group, Inc.
 LCA Group, Inc. Electrical ProductsProducer Manufacturing Manufactures a complete line of indoor and outdoor lighting for the commercial, institutional, and residential markets | Producer Manufacturing |
Rexnord-Zurn Holdings, Inc.
 Rexnord-Zurn Holdings, Inc. Building ProductsProducer Manufacturing Manufactures and distributes bath and plumbing products | Producer Manufacturing |
SKF AB
 SKF AB Metal FabricationProducer Manufacturing Manufactures bearings and seals | Producer Manufacturing |
Builders FirstSource, Inc.
 Builders FirstSource, Inc. Home Improvement ChainsRetail Trade Manufactures and distributes building products and services | Retail Trade |
Wireco Worldgroup, Inc.
Wireco Worldgroup, Inc. Metal FabricationProducer Manufacturing Manufactures and distributes wire & synthetic rope | Producer Manufacturing |
Pace University
 Pace University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Mortgage Contracting Services LLC
 Mortgage Contracting Services LLC Miscellaneous Commercial ServicesCommercial Services Provides property inspection, preservation, maintenance and renovation services | Commercial Services |
ProSource LLC
ProSource LLC Wholesale DistributorsDistribution Services Wholesales plumbing and building materials | Distribution Services |
Superwinch LLC
Superwinch LLC Trucks/Construction/Farm MachineryProducer Manufacturing Provides electric and hydraulic winches | Producer Manufacturing |
The Ann Arbor YMCA
 The Ann Arbor YMCA Miscellaneous Commercial ServicesCommercial Services Operates youth association for development, healthy living and social responsibility | Commercial Services |
Kinematics LLC
Kinematics LLC Industrial MachineryProducer Manufacturing Manufactures hourglass slewing drives, slewing rings, double-enveloping worm gear sets and right-angle rotators | Producer Manufacturing |
Wildcat (Dutch) BV
 Wildcat (Dutch) BV Metal FabricationProducer Manufacturing Operates as a holding company with interests in manufactures carbon wire and wire rope products | Producer Manufacturing |
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 |
Sentient Science Corp.
Sentient Science Corp. Packaged SoftwareTechnology Services Provides digital twin technology solutions to predict short and long-term failure rates for mechanical systems | Technology Services |
BMC Stock Holdings, Inc.
 BMC Stock Holdings, Inc. Wholesale DistributorsDistribution Services Distributes building materials | Distribution Services |
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