![Jonathan Lieber](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>)
Jonathan Lieber
Director of Finance/CFO at
RALLYBIO CORPORATION
Net worth: 75 631 $ as of 2026-07-30
Profile
Jonathan I.
Lieber is currently an Independent Director at MindWalk Holdings Corp.
since 2025, an Independent Director at Decoy Therapeutics, Inc. since 2019, a Member of the Audit Committee at Atrius Health, Inc., and Chief Financial Officer & Treasurer at Rallybio Corp.
since 2023.
Former positions include Independent Director at Salarius Pharmaceuticals, Inc., Chief Financial Officer & Treasurer at Repligen Corp.
from 2012 to 2014, Vice President at Cowen & Co. LLC.
from 1998 to 2002, Chief Financial Officer & Treasurer at Xcellerex, Inc. from 2009 to 2012, Chief Financial Officer & Senior Vice President at Metamark Genetics, Inc. from 2014 to 2015, President & Chief Financial Officer at VivoSim Labs, Inc. in 2021, Chief Financial Officer, Treasurer & Senior VP at Altus Pharmaceuticals, Inc. from 2002 to 2009, Chief Financial Officer at Beacon Therapeutics (USA), Inc. from 2021 to 2022, Member of the Health Care & High Yield Group at Salomon Brothers, Inc., Chief Financial Officer at Danforth Advisors LLC in 2021, Chief Financial Officer at Checkmate Pharmaceuticals, Inc. from 2019 to 2021, and Chief Financial Officer at Histogenics Corp.
from 2015 to 2019.
Education includes undergraduate studies at Boston University and an MBA from The Leonard N Stern School of Business.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
RALLYBIO CORPORATION 0.08% | 2026-02-22 | 4,115 ( 0.08% ) | 65 552 $ | 2026-07-30 |
| 2026-07-21 | 7,807 ( 0.02% ) | 10 071 $ | 2026-07-30 | |
0% | 2026-07-19 | 2 ( 0% ) | 8 $ | 2026-07-30 |
Jonathan Lieber active positions
| Companies | Position | Start |
|---|---|---|
| RALLYBIO CORPORATION | Director of Finance/CFO | 2023-01-31 |
| MINDWALK HOLDINGS CORP. | Director/Board Member | 2025-07-06 |
Atrius Health, Inc.
 Atrius Health, Inc. Medical/Nursing ServicesHealth Services Provides primary and specialty care services | Corporate Officer/Principal | - |
Former positions of Jonathan Lieber
| Companies | Position | End |
|---|---|---|
| APPLIED GENETIC TECHNOLOGIES CORPORATION | Director of Finance/CFO | 2022-11-29 |
| VIVOSIM LABS, INC. | Director of Finance/CFO | 2021-10-05 |
Danforth Advisors LLC
 Danforth Advisors LLC Miscellaneous Commercial ServicesCommercial Services Provides strategic advisory and operational execution services for corporate, clinical & commercial sectors | Chief Executive Officer | 2021-04-06 |
| CHECKMATE PHARMACEUTICALS, INC. | Director of Finance/CFO | 2021-01-03 |
| OCUGEN, INC. | Director of Finance/CFO | 2019-08-31 |
Training of Jonathan Lieber
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
73
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
Repligen Corp.
 Repligen Corp. Pharmaceuticals: MajorHealth Technology Develops and manufactures biologic drugs | Health Technology |
Cowen & Co. LLC
 Cowen & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Xcellerex, Inc.
 Xcellerex, Inc. Pharmaceuticals: MajorHealth Technology Offers contract services for bioprocess development and manufacturing | Health Technology |
Histogenics Corp.
 Histogenics Corp. BiotechnologyHealth Technology Develops and commercializes regenerative medicine | Health Technology |
Metamark Genetics, Inc.
 Metamark Genetics, Inc. Medical/Nursing ServicesHealth Services Provides molecular diagnostics services | Health Services |
VivoSim Labs, Inc.
 VivoSim Labs, Inc. BiotechnologyHealth Technology Engages in developing and commercializing functional human tissues | Health Technology |
Boston University
 Boston University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Altus Pharmaceuticals, Inc.
 Altus Pharmaceuticals, Inc. BiotechnologyHealth Technology Develops therapeutic products for gastrointestinal and metabolic diseases | Health Technology |
Beacon Therapeutics (USA), Inc.
 Beacon Therapeutics (USA), Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical research and development company that provides gene therapy development & clinical research services | Health Technology |
Salomon Brothers, Inc.
 Salomon Brothers, Inc. Investment Banks/BrokersFinance Investment banking services | Finance |
Atrius Health, Inc.
Atrius Health, Inc. Medical/Nursing ServicesHealth Services Provides primary and specialty care services | Health Services |
Danforth Advisors LLC
Danforth Advisors LLC Miscellaneous Commercial ServicesCommercial Services Provides strategic advisory and operational execution services for corporate, clinical & commercial sectors | Commercial Services |
The Leonard N Stern School of Business
 The Leonard N Stern School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Checkmate Pharmaceuticals, Inc.
 Checkmate Pharmaceuticals, Inc. BiotechnologyHealth Technology Operates as a clinical stage biotechnology company that develop anti-cancer therapeutics | Health Technology |
ImmunoPrecise Antibodies Ltd.
 ImmunoPrecise Antibodies Ltd. BiotechnologyHealth Technology Operates as AI-driven biotherapeutic research and technology firm that develops & discovers antibodies | Health Technology |
Salarius Pharmaceuticals, Inc.
 Salarius Pharmaceuticals, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biopharmaceutical company focused on developing treatment for cancer | Health Technology |
Rallybio Corp.
 Rallybio Corp. BiotechnologyHealth Technology Operates as a clinical stage biotechnology company that engages in research, development and commercialization of therapies for patients with severe & rare diseases | Health Technology |
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