![Steven Harr](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>)
Steven Harr
Founder at
SANA BIOTECHNOLOGY, INC.
Net worth: 31 M $ as of 2026-06-29
Profile
Steven D. Harr founded Sana Biotechnology, Inc. and JW Therapeutics (Shanghai) Co., Ltd. Dr. Harr occupies the position of President, Chief Executive Officer & Director at Sana Biotechnology, Inc. and Treasurer & Director at X-Body, Inc. He is also on the board of JW Biotechnology (Shanghai) Co. Ltd. and Repertoire Immune Medicines, Inc. In the past he occupied the position of Research Analyst at Morgan Stanley & Co. LLC, Chief Financial Officer & Head-Development at Juno Therapeutics, Inc. and Director at JW Therapeutics (Shanghai) Co., Ltd. Dr. Harr received an undergraduate degree from College of the Holy Cross (Massachusetts) and a doctorate from The Johns Hopkins University School of Medicine.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-29 | 8,960,751 ( 3.46% ) | 31 M $ | 2026-06-29 |
Steven Harr active positions
| Companies | Position | Start |
|---|---|---|
| SANA BIOTECHNOLOGY, INC. | Founder | 2018-07-12 |
JW Biotechnology (Shanghai) Co. Ltd. | Director/Board Member | - |
X-Body, Inc.
 X-Body, Inc. BiotechnologyHealth Technology Provides biotechnological research services | Director/Board Member | - |
Repertoire Immune Medicines, Inc.
 Repertoire Immune Medicines, Inc. Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biotechnology company that engages in immune medicines to prevent, treat and cure cancer | Director/Board Member | 2020-02-29 |
Cobalt Biomedicine, Inc.
 Cobalt Biomedicine, Inc. Pharmaceuticals: MajorHealth Technology Engages in developing therapeutic based drugs | President | - |
Former positions of Steven Harr
| Companies | Position | End |
|---|---|---|
| LOXO ONCOLOGY INC | Director/Board Member | 2019-02-14 |
JW Therapeutics (Shanghai) Co., Ltd.
 JW Therapeutics (Shanghai) Co., Ltd. BiotechnologyHealth Technology Develops cell-based immunotherapies to treat cancer | Founder | 2018-09-24 |
| JUNO THERAPEUTICS INC | Director of Finance/CFO | 2018-02-28 |
Morgan Stanley & Co. LLC
 Morgan Stanley & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Chief Executive Officer | 2014-03-31 |
| ░░ ░░░░░░░░ ░░░░░░░░░░░░ ░░░ ░░░ | ░░░░░░░ | - |
Training of Steven Harr
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
86
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
X-Body, Inc.
X-Body, Inc. BiotechnologyHealth Technology Provides biotechnological research services | Health Technology |
Morgan Stanley & Co. LLC
Morgan Stanley & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
College of the Holy Cross (Massachusetts)
 College of the Holy Cross (Massachusetts) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Loxo Oncology, Inc.
 Loxo Oncology, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that develops medicine for cancer treatment | Health Technology |
The Johns Hopkins University School of Medicine
 The Johns Hopkins University School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Juno Therapeutics, Inc.
 Juno Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical company to treat cancer, HIV and cardiovascular diseases | Health Technology |
JW Biotechnology (Shanghai) Co. Ltd. | |
JW Therapeutics (Shanghai) Co., Ltd.
JW Therapeutics (Shanghai) Co., Ltd. BiotechnologyHealth Technology Develops cell-based immunotherapies to treat cancer | Health Technology |
JW (Cayman) Therapeutics Co. Ltd.
 JW (Cayman) Therapeutics Co. Ltd. BiotechnologyHealth Technology Operates as biotechnology company that develops and manufactures cell immunotherapy products | Health Technology |
Sana Biotechnology, Inc.
 Sana Biotechnology, Inc. BiotechnologyHealth Technology Operates as a biotechnological company which creates and delivers engineered cells as medicine for patients | Health Technology |
Cobalt Biomedicine, Inc.
Cobalt Biomedicine, Inc. Pharmaceuticals: MajorHealth Technology Engages in developing therapeutic based drugs | Health Technology |
Repertoire Immune Medicines, Inc.
Repertoire Immune Medicines, Inc. Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biotechnology company that engages in immune medicines to prevent, treat and cure cancer | Health Technology |
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