![Karen Twitchell](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>)
Karen Twitchell
Director/Board Member at
Kraton Polymers LLC
Net worth: 591 660 $ as of 2026-07-30
Profile
Karen A. Twitchell is currently Director at Kraton Polymers LLC since 2009.
Independent Director at Calumet Specialty Products Partners LP and Calumet GP LLC since 2022.
Director at HMTX Industries LLC.
Lead Independent Director at Calumet, Inc. since 2024.
Treasurer & Vice President at Equistar Chemicals LP.
Formerly Chairman at Trecora LLC from 2019 to 2022.
Independent Director at CMC Materials KMG Corp.
from 2010 to 2018.
Director and Independent Director at Kraton Corp.
from 2009 to 2022.
Treasurer & Vice President at Kaiser Aluminum Corp.
from 1998 to 2000.
Treasurer & Vice President at Southdown, Inc. from 1989 to 1996.
Treasurer & Vice President at Lyondell Chemical Co. and LyondellBasell Industries, Inc. from 2001 to 2009.
Chief Financial Officer & Executive Vice President at Landmark Aviation, Inc. from 2010 to 2013 and at Landmark FBO LLC.
Education includes undergraduate degree from Wellesley College and MBA from Harvard Business School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
0.02% | 2026-07-08 | 13,389 ( 0.02% ) | 591 660 $ | 2026-07-30 |
Karen Twitchell active positions
| Companies | Position | Start |
|---|---|---|
Equistar Chemicals LP
 Equistar Chemicals LP Chemicals: SpecialtyProcess Industries Manufactures ethylene, propylene and polyethylene products | Treasurer | - |
Kraton Polymers LLC
 Kraton Polymers LLC Chemicals: SpecialtyProcess Industries Produces styrenic block polymers | Director/Board Member | 2009-12-02 |
Calumet GP LLC
 Calumet GP LLC Financial ConglomeratesFinance Provides investment services | Director/Board Member | 2022-08-01 |
Calumet Specialty Products Partners LP
 Calumet Specialty Products Partners LP Oil Refining/MarketingEnergy Minerals Produces specialty hydrocarbon and fuel products | Director/Board Member | 2022-08-01 |
HMTX Industries LLC
 HMTX Industries LLC Forest ProductsNon-Energy Minerals Manufactures luxury vinyl tile (LVT | Director/Board Member | - |
Former positions of Karen Twitchell
| Companies | Position | End |
|---|---|---|
| TRECORA RESOURCES | Chairman | 2022-06-26 |
| KRATON CORPORATION | Director/Board Member | 2022-03-14 |
| KMG CHEMICALS, INC. | Director/Board Member | 2018-11-14 |
Landmark Aviation, Inc.
 Landmark Aviation, Inc. Other Consumer ServicesConsumer Services Provides aircraft services to aviation industry | Director of Finance/CFO | 2012-12-31 |
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Training of Karen Twitchell
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
63
1st degree connections
16
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 16 |
|---|---|
Trecora Resources
 Trecora Resources Chemicals: SpecialtyProcess Industries Manufactures hydrocarbons, waxes and additives | Process Industries |
Kaiser Aluminum Corp.
 Kaiser Aluminum Corp. AluminumNon-Energy Minerals Produces and supplies aluminum products | Non-Energy Minerals |
Southdown, Inc.
 Southdown, Inc. Construction MaterialsNon-Energy Minerals Manufactures cement and ready-mix concrete | Non-Energy Minerals |
CMC Materials KMG Corp.
 CMC Materials KMG Corp. Chemicals: Major DiversifiedProcess Industries Manufactures and sells chemicals, solvents & acids to semiconductor industry | Process Industries |
Lyondell Chemical Co.
 Lyondell Chemical Co. Finance/Rental/LeasingFinance Functions as a financing subsidiary/special purpose entity | Finance |
Equistar Chemicals LP
Equistar Chemicals LP Chemicals: SpecialtyProcess Industries Manufactures ethylene, propylene and polyethylene products | 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 |
Calumet Specialty Products Partners LP
Calumet Specialty Products Partners LP Oil Refining/MarketingEnergy Minerals Produces specialty hydrocarbon and fuel products | Energy Minerals |
Wellesley College
 Wellesley College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Landmark Aviation, Inc.
Landmark Aviation, Inc. Other Consumer ServicesConsumer Services Provides aircraft services to aviation industry | Consumer Services |
Landmark FBO LLC
 Landmark FBO LLC Other TransportationTransportation Provides aircraft management, charter, fueling and ground support services | Transportation |
Calumet GP LLC
Calumet GP LLC Financial ConglomeratesFinance Provides investment services | Finance |
LyondellBasell Industries, Inc.
 LyondellBasell Industries, Inc. Chemicals: SpecialtyProcess Industries Manufactures basic polymers for industries and refines crude oil into lubricating oil, diesel fuel, coke & sulfur | Process Industries |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
HMTX Industries LLC
HMTX Industries LLC Forest ProductsNon-Energy Minerals Manufactures luxury vinyl tile (LVT | Non-Energy Minerals |
- Stock Market
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- Karen Twitchell
