![John Leaman](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>)
John Leaman
Director/Board Member at
TRAWS PHARMA, INC.
Net worth: 5 925 $ as of 2026-05-30
Profile
John Harold Leaman is currently an Independent Director at Traws Pharma, Inc. since 2025 and Chief Financial Officer at Cellarity Inc. Formerly, Dr. Leaman was Head-Corporate Development at InfaCare Pharmaceutical Corp.
in 2017, Secretary, Chief Financial & Business Officer at IPI Legacy Liquidation Co. from 2019 to 2023, Chief Financial Officer & Head-Corporate Strategy at Selecta Biosciences, Inc. from 2017 to 2019, Associate Principal at McKinsey & Co., Inc., Chief Financial Officer at Aevi Genomic Medicine, Inc. from 2014 to 2016, and Principal at Devon Park Bioventures.
Education includes undergraduate degrees from Elizabethtown College and Oriel College, an MBA from The Wharton School of the University of Pennsylvania, and a doctorate from Perelman School of Medicine.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TRAWS PHARMA, INC. 0.03% | 2026-03-07 | 4,058 ( 0.03% ) | 5 925 $ | 2026-05-30 |
John Leaman active positions
| Companies | Position | Start |
|---|---|---|
| TRAWS PHARMA, INC. | Director/Board Member | 2025-09-30 |
Cellarity Inc.
 Cellarity Inc. Packaged SoftwareTechnology Services Develops AI-driven platform for drug delivery | Director of Finance/CFO | - |
Former positions of John Leaman
| Companies | Position | End |
|---|---|---|
| IPI LEGACY LIQUIDATION CO | Director of Finance/CFO | 2023-03-09 |
| CARTESIAN THERAPEUTICS, INC. | Director of Finance/CFO | 2019-03-30 |
InfaCare Pharmaceutical Corp.
 InfaCare Pharmaceutical Corp. BiotechnologyHealth Technology Develops and commercializes proprietary pharmaceuticals for the neonatal and pediatric patient population | Corporate Officer/Principal | 2017-08-31 |
| AEVI GENOMIC MEDICINE, INC. | Director of Finance/CFO | 2016-02-08 |
McKinsey & Co., Inc.
 McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a management consulting firm | Corporate Officer/Principal | - |
Training of John Leaman
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
21
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Traws Pharma, Inc.
 Traws Pharma, Inc. BiotechnologyHealth Technology Discovers and develops products for patients with cancer | Health Technology |
InfaCare Pharmaceutical Corp.
InfaCare Pharmaceutical Corp. BiotechnologyHealth Technology Develops and commercializes proprietary pharmaceuticals for the neonatal and pediatric patient population | Health Technology |
Impel Pharmaceuticals, Inc.
 Impel Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a late-stage biopharmaceutical company focused on developing transformative therapies for central nervous system disorders | Health Technology |
Selecta Biosciences, Inc.
 Selecta Biosciences, Inc. BiotechnologyHealth Technology Develops targeted immunotherapies and vaccines to treat and prevent diseases | Health Technology |
McKinsey & Co., Inc.
McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a management consulting firm | Commercial Services |
Elizabethtown College
 Elizabethtown College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Aevi Genomic Medicine, Inc.
 Aevi Genomic Medicine, Inc. Pharmaceuticals: MajorHealth Technology Engages in development and commercialization of treatments for auto-immune pediatric disease | Health Technology |
Devon Park Bioventures
 Devon Park Bioventures Investment ManagersFinance Devon Park Bioventures invests in companies located in the United States. The firm focuses on a broad range of sectors and industries. It provides financing for early stage capital requirements. | Finance |
Oriel College
 Oriel College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Perelman School of Medicine
 Perelman School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Cellarity Inc.
Cellarity Inc. Packaged SoftwareTechnology Services Develops AI-driven platform for drug delivery | Technology Services |
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