![David Bradley](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>)
David Bradley
Director/Board Member at
ECOVYST INC.
Net worth: 2 M $ as of 2026-07-30
Profile
David A. Bradley is currently Chairman, President & Chief Executive Officer at SI Group, Inc. since 2019.
He is President, Chief Executive Officer & Director at Chemical Specialists & Development LLC.
He serves as Chief Executive Officer at Schenectady International Group, Inc. He holds the position of Chairman at Nexeo Plaschem (Shanghai) Co., Ltd. He is Director at Nexeo Solutions Plastics UK Ltd. Since 2022, he is an Independent Director at Ecovyst, Inc. He is also Director at Huizenga Digital Assets LLC.
Formerly, Mr. Bradley was President & Chief Executive Officer at Nexeo Solutions Holdings LLC and President, Chief Executive Officer & Director at Nexeo Solutions LLC.
From 2011 to 2019, he was President, Chief Executive Officer & Director at Nexeo Solutions, Inc. Between 2004 and 2011, he was Chief Operating Officer at Elastomers Holdings LLC, Kraton Polymers LLC, Kraton Corp., Kraton Polymers U.S.
LLC, and K.P.
Global Holdings CV.
From 1994 to 2004, he was Manager-Lexan Manufacturing at GE Plastics.
Mr. Bradley completed undergraduate studies at the University of Louisville.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ECOVYST INC 0.12% | 2026-04-12 | 127,999 ( 0.12% ) | 2 M $ | 2026-07-30 |
David Bradley active positions
| Companies | Position | Start |
|---|---|---|
| ECOVYST INC. | Director/Board Member | 2022-04-26 |
Chemical Specialists & Development LLC
 Chemical Specialists & Development LLC Industrial SpecialtiesProcess Industries Distributes and provides specialty chemicals and lubricants | Chief Executive Officer | - |
Schenectady International Group, Inc.
 Schenectady International Group, Inc. Chemicals: Major DiversifiedProcess Industries Manufactures and wholesales chemical products | Chief Executive Officer | - |
SI Group, Inc.
 SI Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides workplace safety and health training services | Chief Executive Officer | 2019-03-17 |
Nexeo Solutions Plastics UK Ltd.
 Nexeo Solutions Plastics UK Ltd. Wholesale DistributorsDistribution Services Wholesales chemical products | Director/Board Member | 2011-03-29 |
Nexeo Plaschem (Shanghai) Co., Ltd.
 Nexeo Plaschem (Shanghai) Co., Ltd. Wholesale DistributorsDistribution Services Distributes of chemicals, composite raw materials, and plastics | Chairman | - |
Huizenga Digital Assets LLC | Director/Board Member | - |
Former positions of David Bradley
| Companies | Position | End |
|---|---|---|
| NEXEO SOLUTIONS INC | Chief Executive Officer | 2019-01-31 |
Kraton Polymers LLC
 Kraton Polymers LLC Chemicals: SpecialtyProcess Industries Produces styrenic block polymers | Chief Operating Officer | 2010-12-31 |
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Training of David Bradley
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
73
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
Elastomers Holdings LLC
 Elastomers Holdings LLC Chemicals: SpecialtyProcess Industries Manufactures and markets styrenic block copolymers | Process Industries |
Kraton Polymers LLC
Kraton Polymers LLC Chemicals: SpecialtyProcess Industries Produces styrenic block polymers | Process Industries |
Kraton Corp.
 Kraton Corp. Chemicals: SpecialtyProcess Industries Produces specialty polymers and high-value bio-based chemicals | Process Industries |
Nexeo Solutions, Inc.
 Nexeo Solutions, Inc. Chemicals: SpecialtyProcess Industries Distributes chemicals and plastics | Process Industries |
SI Group, Inc.
SI Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides workplace safety and health training services | Commercial Services |
GE Plastics
 GE Plastics Chemicals: SpecialtyProcess Industries Provides engineering thermoplastic material solutions | Process Industries |
University of Louisville
 University of Louisville Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Chemical Specialists & Development LLC
Chemical Specialists & Development LLC Industrial SpecialtiesProcess Industries Distributes and provides specialty chemicals and lubricants | Process Industries |
Nexeo Solutions LLC
 Nexeo Solutions LLC Wholesale DistributorsDistribution Services Distributes chemicals products | Distribution Services |
Nexeo Solutions Holdings LLC
 Nexeo Solutions Holdings LLC Wholesale DistributorsDistribution Services Operates as a holding company with interests in the distribution of chemicals, composite raw materials, and plastics | Distribution Services |
K.P. Global Holdings CV
 K.P. Global Holdings CV Chemicals: SpecialtyProcess Industries Part of DL Holdings Co., Ltd., K.P. Global Holdings CV is a Dutch company. | Process Industries |
Nexeo Solutions Plastics UK Ltd.
Nexeo Solutions Plastics UK Ltd. Wholesale DistributorsDistribution Services Wholesales chemical products | Distribution Services |
Nexeo Plaschem (Shanghai) Co., Ltd.
Nexeo Plaschem (Shanghai) Co., Ltd. Wholesale DistributorsDistribution Services Distributes of chemicals, composite raw materials, and plastics | Distribution Services |
Kraton Polymers U.S. LLC
 Kraton Polymers U.S. LLC Chemicals: Major DiversifiedProcess Industries Manufactures chemicals and adhesives | Process Industries |
Ecovyst, Inc.
 Ecovyst, Inc. Chemicals: SpecialtyProcess Industries Manufactures catalysts, specialty materials and chemicals | Process Industries |
Schenectady International Group, Inc.
Schenectady International Group, Inc. Chemicals: Major DiversifiedProcess Industries Manufactures and wholesales chemical products | Process Industries |
Huizenga Digital Assets LLC |
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