![Joseph Loscalzo](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>)
Joseph Loscalzo
Chairman at
IONIS PHARMACEUTICALS, INC.
Net worth: 3 M $ as of 2026-05-30
Profile
Dr. Joseph Loscalzo, MD PhD, is Advisor at Mi3 Venture Partners Management LLC. He is the Wade Professor and Chairman of the Department of Medicine, Professor of Biochemistry, and Director of the Whitaker Cardiovascular Institute at Boston University School of Medicine, as well as Physician-in-Chief at Boston Medical Center. He is a founder of NitroMed, Inc., serves on its Board of Directors and chairs its Scientific Advisory Board. In 2004, he became Editor-in-Chief of Circulation, a leading cardiology scientific journal. Dr. Loscalzo received his A.B. degree, summa cum laude, his Ph.D. in biochemistry, and his M.D. from the University of Pennsylvania. He joined the Harvard faculty and staff at Brigham and Women's Hospital in 1984. He joined the faculty of Boston University in 1994, first as Chief of Cardiology and, in 1997, Chair of Medicine. Dr. Loscalzo is the immediate past Chair of the Cardiovascular Board of the American Board of Internal Medicine and immediate past Chair of the Board of Scientific Counselors of the NHLBI. He has been a Visiting Professor at many institutions and has authored or co-authored more than 400 scientific publications and 20 books. He is also the recipient of many grants from the NIH and industry for his work in the areas of vascular biology, thrombosis, and atherosclerosis over the past twenty years.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-03 | 36,330 ( 0.02% ) | 3 M $ | 2026-05-30 | |
| 2026-04-19 | 168,750 ( 0.16% ) | 190 688 $ | 2026-05-30 |
Joseph Loscalzo active positions
| Companies | Position | Start |
|---|---|---|
| IONIS PHARMACEUTICALS, INC. | Chairman | 2021-06-01 |
| CYPHERPUNK TECHNOLOGIES INC. | Director/Board Member | 2015-12-31 |
Brigham Medical Research & Educational Foundation, Inc. | President | - |
Brigham Community Practices, Inc. | Director/Board Member | - |
Broadview Ventures, Inc.
 Broadview Ventures, Inc. Investment ManagersFinance Broadview Ventures invests in companies located across the globe, primarily in North America, Europe and Israel. The firm targets companies operating in the fields of healthcare and technology sectors. It provides financing for seed and early-stage capital requirements. The firm makes follow-on investments. | Consultant / Advisor | - |
Scipher Medicine Corp.
 Scipher Medicine Corp. Miscellaneous Commercial ServicesCommercial Services Provides RNA data analysis for the treatment of autoimmune diseases and develops AI platform | Founder | 2012-12-31 |
National Institutes of Health
 National Institutes of Health General GovernmentGovernment Engages in the improvement of health and saving lives | Corporate Officer/Principal | - |
Harvard Medical School
 Harvard Medical School Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
The Brigham & Women's Hospital, Inc.
 The Brigham & Women's Hospital, Inc. Hospital/Nursing ManagementHealth Services Provides health care services | Corporate Officer/Principal | - |
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Former positions of Joseph Loscalzo
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Training of Joseph Loscalzo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
85
1st degree connections
25
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 25 |
|---|---|
Ionis Pharmaceuticals, Inc.
 Ionis Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops antisense drugs | Health Technology |
NitroMed, Inc.
 NitroMed, Inc. Pharmaceuticals: MajorHealth Technology Develops and supplies pharmaceuticals | Health Technology |
Cardiovascular Sciences, Inc.
 Cardiovascular Sciences, Inc. Other Consumer ServicesConsumer Services Develops novel technology platform | Consumer Services |
TargAnox, Inc.
 TargAnox, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutics to prevent oxidative stress diseases | Health Technology |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Pennsylvania
 University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Boston University
 Boston University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Brigham & Women's Hospital, Inc.
The Brigham & Women's Hospital, Inc. Hospital/Nursing ManagementHealth Services Provides health care services | Health Services |
CB Health Ventures
 CB Health Ventures Investment ManagersFinance CB Health Ventures focuses on investment opportunities in healthcare services, medical information technology, biotechnology and genomics | Finance |
National Institutes of Health
National Institutes of Health General GovernmentGovernment Engages in the improvement of health and saving lives | Government |
American Heart Association, Inc.
 American Heart Association, Inc. Miscellaneous Commercial ServicesCommercial Services Operates a voluntary health organization | Commercial Services |
Brigham & Women's Faulkner Hospital, Inc.
 Brigham & Women's Faulkner Hospital, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization that Provides health care services | Commercial Services |
Boston Medical Center
 Boston Medical Center Hospital/Nursing ManagementHealth Services Provides healthcare services | Health Services |
Mass General Brigham, Inc.
 Mass General Brigham, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit integrated healthcare system | Commercial Services |
American Board of Internal Medicine
 American Board of Internal Medicine Miscellaneous Commercial ServicesCommercial Services Operates self-appointed physician evaluation organization | Commercial Services |
Excel Medical Ventures LLC
 Excel Medical Ventures LLC Investment ManagersFinance Excel Medical Ventures invests in companies located in the United States. The firm focuses on companies operating in agriculture, energy, materials, IT, defense, healthcare sectors such as healthcare IT & services, diagnostics, medical devices, and life sciences platforms. It participates in early to late stage transactions. | Finance |
National Heart, Lung & Blood Institute
 National Heart, Lung & Blood Institute General GovernmentGovernment Promotes the prevention and treatment of heart, lung and blood diseases | Government |
Broadview Ventures, Inc.
Broadview Ventures, Inc. Investment ManagersFinance Broadview Ventures invests in companies located across the globe, primarily in North America, Europe and Israel. The firm targets companies operating in the fields of healthcare and technology sectors. It provides financing for seed and early-stage capital requirements. The firm makes follow-on investments. | Finance |
Harvard Medical School
Harvard Medical School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Nivalis Therapeutics, Inc.
 Nivalis Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery and development of products for patients with cystic fibrosis | Health Technology |
Whitaker Cardiovascular Institute
 Whitaker Cardiovascular Institute The Whitaker Cardiovascular Institute is a research laboratory located in the Department of Medicine at Boston University School of Medicine. The lab focuses on studying endothelial cells and understanding vascular diseases, with a particular interest in the role of endothelial cells in the cardiovascular system. The company's research interests include understanding the molecular and cellular mechanisms that regulate vascular inflammation, endothelial dysfunction, pulmonary microvascular injury in sepsis, arterial vascular dysfunction, and atherosclerosis, developing non-invasive methods to measure in vivo vascular function, and exploring endothelial cell-targeted therapies for lung and cardiovascular diseases. The laboratory has a strong track record of research productivity and has expanded their research to cover topics such as cardiovascular physiopathology, redox biology, redOX proteomics, and optical vascular imaging. Whitaker Cardiovascular Institute is based in Boston, MA. | |
Scipher Medicine Corp.
Scipher Medicine Corp. Miscellaneous Commercial ServicesCommercial Services Provides RNA data analysis for the treatment of autoimmune diseases and develops AI platform | Commercial Services |
Leap Therapeutics, Inc.
 Leap Therapeutics, Inc. BiotechnologyHealth Technology Engages in clinical stage immuno-oncology | Health Technology |
Brigham Community Practices, Inc. | |
Brigham Medical Research & Educational Foundation, Inc. |
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