![Aleksandra Rizo](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>)
Aleksandra Rizo
Director/Board Member at
SYNDAX PHARMACEUTICALS, INC.
Net worth: 546 500 $ as of 2026-06-29
Profile
Aleksandra Rizo is currently President, Chief Executive Officer & Director at Vividion Therapeutics, Inc. since 2023 and Independent Director at Syndax Pharmaceuticals, Inc. starting in 2024.
Former positions include Chief Medical Officer & Executive Vice President at Geron Corp.
from 2019 to 2022, Executive Director-Strategy & Clinical Leader at Celgene Corp.
from 2018 to 2019, and Senior Director & Team Leader Compound Development at Janssen Research & Development LLC from 2014 to 2018.
Education includes doctorates from the University of Groningen, the University of Tokyo, and Saints Cyril & Methodius University of Skopje.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-29 | 25,000 ( 0.03% ) | 546 500 $ | 2026-06-29 |
Aleksandra Rizo active positions
| Companies | Position | Start |
|---|---|---|
| SYNDAX PHARMACEUTICALS, INC. | Director/Board Member | 2024-05-13 |
Vividion Therapeutics, Inc.
 Vividion Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology research company which develops precision therapeutics for cancers and immune disorders | Chief Executive Officer | 2023-01-23 |
Former positions of Aleksandra Rizo
| Companies | Position | End |
|---|---|---|
| GERON CORPORATION | Chief Tech/Sci/R&D Officer | 2022-07-07 |
| CELGENE | Corporate Officer/Principal | 2018-12-31 |
Janssen Research & Development LLC
 Janssen Research & Development LLC Miscellaneous Commercial ServicesCommercial Services Provides research and development medicines and solutions to other medical needs | Corporate Officer/Principal | 2018-02-28 |
Training of Aleksandra Rizo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
69
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Celgene Corp.
 Celgene Corp. BiotechnologyHealth Technology Develops cancer and immunology drugs | Health Technology |
Geron Corp.
 Geron Corp. BiotechnologyHealth Technology Discovers and develops therapeutic products for cancer | Health Technology |
Syndax Pharmaceuticals, Inc.
 Syndax Pharmaceuticals, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biopharmaceutical company | Health Technology |
University of Groningen
 University of Groningen Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Tokyo
 University of Tokyo Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Janssen Research & Development LLC
Janssen Research & Development LLC Miscellaneous Commercial ServicesCommercial Services Provides research and development medicines and solutions to other medical needs | Commercial Services |
Saints Cyril & Methodius University of Skopje
 Saints Cyril & Methodius University of Skopje Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Vividion Therapeutics, Inc.
Vividion Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology research company which develops precision therapeutics for cancers and immune disorders | Health Technology |
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