![David Duncan](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 Duncan
Director/Board Member at
FIRST WESTERN FINANCIAL, INC.
Net worth: 1 M $ as of 31/05/2026
Profile
David R.
Duncan is Chairman, CEO & Managing Partner at Twomey Cellars since 2002.
He is Chairman at St. Helena Hospital Foundation.
He serves as Chairman of Napa Valley Vintners Association since 2014.
He is Executive Chairman at Silver Oak Cellars since 2002.
He is Co-Chairman of Auction Napa Valley since 2014.
He is Director at Bioincept LLC.
He is Independent Director at First Western Financial, Inc. since 2011.
Former roles include Chief Executive Officer & Director at Duncan Oil, Inc., Chairman & Member at Young Presidents Organization, Inc. (Northern California), and Director at Terra Midstream LLC.
Education includes undergraduate studies at the University of Notre Dame and an MBA from the University of Denver.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 03/06/2026 | 44,652 ( 0.46% ) | 1 M $ | 31/05/2026 |
David Duncan active positions
| Companies | Position | Start |
|---|---|---|
| FIRST WESTERN FINANCIAL, INC. | Director/Board Member | 01/01/2011 |
Silver Oak Cellars
 Silver Oak Cellars Beverages: AlcoholicConsumer Non-Durables Operates as a wine maker | Chairman | 01/01/2002 |
Twomey Cellars
 Twomey Cellars Beverages: AlcoholicConsumer Non-Durables Produces and sells wine through online | Chief Executive Officer | 01/01/2002 |
St. Helena Hospital Foundation
 St. Helena Hospital Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit acute care hospital | Chairman | - |
Napa Valley Vintners Association
 Napa Valley Vintners Association Miscellaneous Commercial ServicesCommercial Services Operates nonprofit trade association for wine producers | Chairman | 01/01/2014 |
Auction Napa Valley
 Auction Napa Valley Miscellaneous Commercial ServicesCommercial Services Engages in raising of funds | Chairman | 01/01/2014 |
Bioincept LLC
 Bioincept LLC Miscellaneous Commercial ServicesCommercial Services Provides pre-implantation factor technologies | Director/Board Member | - |
Former positions of David Duncan
| Companies | Position | End |
|---|---|---|
Duncan Oil, Inc.
 Duncan Oil, Inc. Wholesale DistributorsDistribution Services Distributes petroleum products and provides residential heating oil and propane delivery, fuel center construction and equipment maintenance services | Chief Executive Officer | - |
Young Presidents Organization, Inc. (Northern California) | Chairman | - |
| ░░░░░ ░░░░░░░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of David Duncan
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
28
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
University of Notre Dame
 University of Notre Dame Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Bioincept LLC
Bioincept LLC Miscellaneous Commercial ServicesCommercial Services Provides pre-implantation factor technologies | Commercial Services |
Terra Midstream LLC
 Terra Midstream LLC Oil & Gas ProductionEnergy Minerals Provides natural gas and midstream services | Energy Minerals |
University of Denver
 University of Denver Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
St. Helena Hospital Foundation
St. Helena Hospital Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit acute care hospital | Commercial Services |
First Western Financial, Inc.
 First Western Financial, Inc. Investment ManagersFinance Operates as a holding company with interests in private banking and investment management services | Finance |
Napa Valley Vintners Association
Napa Valley Vintners Association Miscellaneous Commercial ServicesCommercial Services Operates nonprofit trade association for wine producers | Commercial Services |
Duncan Oil, Inc.
Duncan Oil, Inc. Wholesale DistributorsDistribution Services Distributes petroleum products and provides residential heating oil and propane delivery, fuel center construction and equipment maintenance services | Distribution Services |
Silver Oak Cellars
Silver Oak Cellars Beverages: AlcoholicConsumer Non-Durables Operates as a wine maker | Consumer Non-Durables |
Young Presidents Organization, Inc. (Northern California) | |
Twomey Cellars
Twomey Cellars Beverages: AlcoholicConsumer Non-Durables Produces and sells wine through online | Consumer Non-Durables |
Auction Napa Valley
Auction Napa Valley Miscellaneous Commercial ServicesCommercial Services Engages in raising of funds | Commercial Services |
- Stock Market
- Insiders
- David Duncan
