![Ethan Nadelmann](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>)
Ethan Nadelmann
Director/Board Member at
GREEN THUMB INDUSTRIES INC.
Net worth: 551 254 $ as of 2026-05-30
Profile
Ethan Nadelmann is the founder of Open Society Foundations, founded in 1994.
Dr. Nadelmann was the founder of Drug Policy Alliance, founded in 2000, and served as Executive Director from 2000 to 2017.
Dr. Nadelmann is currently an Independent Director at Green Thumb Industries, Inc. since 2023.
Dr. Nadelmann was a Professor at Princeton University from 1987 to 1994.
Dr. Nadelmann completed undergraduate, graduate, and doctorate degrees at Harvard University and a graduate degree at the London School of Economics & Political Science.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-31 | 68,309 ( 0.04% ) | 551 254 $ | 2026-05-30 |
Ethan Nadelmann active positions
| Companies | Position | Start |
|---|---|---|
| GREEN THUMB INDUSTRIES INC. | Director/Board Member | 2023-04-26 |
Former positions of Ethan Nadelmann
| Companies | Position | End |
|---|---|---|
Drug Policy Alliance
 Drug Policy Alliance Miscellaneous Commercial ServicesCommercial Services Promotes drug policies that are grounded in science, compassion, health and human rights | Founder | 2016-12-31 |
Open Society Foundations
 Open Society Foundations Investment Trusts/Mutual FundsMiscellaneous Operates grant making foundations | Founder | 1999-12-31 |
Princeton University
 Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | 1993-12-31 |
Training of Ethan Nadelmann
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
99
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Princeton University
Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
London School of Economics & Political Science
 London School of Economics & Political Science Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Drug Policy Alliance
Drug Policy Alliance Miscellaneous Commercial ServicesCommercial Services Promotes drug policies that are grounded in science, compassion, health and human rights | Commercial Services |
Open Society Foundations
Open Society Foundations Investment Trusts/Mutual FundsMiscellaneous Operates grant making foundations | Miscellaneous |
Green Thumb Industries, Inc.
 Green Thumb Industries, Inc. Agricultural Commodities/MillingProcess Industries Provides marijuana and cannabis products for legal and medical use | Process Industries |
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