![Mary Ellet](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>)
Mary Ellet
Director/Board Member at
GEVO, INC.
Net worth: 247 047 $ as of 2026-05-30
Profile
Mary Kathryn Ellet is currently Chief Executive Officer at Etch, Inc. and Independent Director at Gevo, Inc., both positions starting in 2024.
Former roles include Vice President-Oilfield Solutions at SI Group, Inc. from 2018 to 2020, and President-Hydrogen Energy & Mobility at Air Liquide North America LLC.
Education includes undergraduate studies at Michigan Technological University and graduate studies at the University of Houston.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
GEVO, INC. 0.05% | 2026-05-26 | 132,821 ( 0.05% ) | 247 047 $ | 2026-05-30 |
Mary Ellet active positions
| Companies | Position | Start |
|---|---|---|
| GEVO, INC. | Director/Board Member | 2024-01-01 |
Etch, Inc.
 Etch, Inc. Electric UtilitiesUtilities Engages in hydro electric power generation | Chief Executive Officer | 2024-11-13 |
Former positions of Mary Ellet
| Companies | Position | End |
|---|---|---|
SI Group, Inc.
 SI Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides workplace safety and health training services | Corporate Officer/Principal | 2020-05-31 |
Air Liquide North America LLC | Corporate Officer/Principal | - |
Training of Mary Ellet
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
13
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Gevo, Inc.
 Gevo, Inc. Chemicals: SpecialtyProcess Industries Engages in the development and commercialization of alternatives to petroleum-based products | Process Industries |
SI Group, Inc.
SI Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides workplace safety and health training services | Commercial Services |
Michigan Technological University
 Michigan Technological University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Houston
 University of Houston Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Air Liquide North America LLC | |
Etch, Inc.
Etch, Inc. Electric UtilitiesUtilities Engages in hydro electric power generation | Utilities |
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