Jonathan Leff
Director/Board Member at MELINTA THERAPEUTICS, INC.
Net worth: - $ as of 2024-04-29
Network origin in Jonathan Leff first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
Biotechnology Innovation Organization
 Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Biotechnology Innovation Organization is the world's biotechnology organization, providing advocacy, business development and communications services for more than 1,200 members worldwide. BIO members are involved in the research and development of innovative healthcare, agricultural, industrial and environmental biotechnology technologies. Corporate members range from entrepreneurial companies developing a first product to Fortune 100 multinationals. also represent state and regional biotech associations, service providers to the industry and academic centers.
220
| Non-Profit Organization | Miscellaneous Commercial Services | 220 |
Deerfield Management Co. LP (Private Equity)
 Deerfield Management Co. LP (Private Equity) Investment ManagersFinance Deerfield Management Co. LP (Private Equity) (Deerfield) is a private equity subsidiary of Deerfield Management Co. LP founded in 1994. The firm is headquartered in the New York.
69
| Subsidiary | Investment Managers | 69 |
| Subsidiary | Biotechnology | 65 | |
ZymoGenetics, Inc.
 ZymoGenetics, Inc. Pharmaceuticals: MajorHealth Technology ZymoGenetics, Inc. develops protein based drugs. It focuses on the discovery, development, manufacture, and commercialization of therapeutic proteins for the treatment of human diseases, including homeostasis, inflammatory and autoimmune diseases, cancer, and viral infections. The company was founded by Earl W. Davie, Benjamin D. Hall and Michael Smith in 1981 and is headquartered in Seattle, WA.
38
| Extinct | Pharmaceuticals: Major | 38 |
Allos Therapeutics, Inc.
 Allos Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Allos Therapeutics, Inc. is a biopharmaceutical company committed to the development and commercialization of innovative anti-cancer therapeutics. It focuses on the development and commercialization FOLOTYN a pralatrexate injection. FOLOTYN is a folate analogue metabolic inhibitor designed to accumulate preferentially in cancer cells. It targets the inhibition of dihydrofolate reductase, or DHFR, an enzyme critical in the folate pathway, thereby interfering with DNA and RNA synthesis and triggering cancer cell death. Allos Therapeutics is also developing FOLOTYN in other hematologic malignancies and solid tumors. The company was founded on September 1, 1992 and is headquartered in Westminster, CO.
36
| Subsidiary | Pharmaceuticals: Major | 36 |
Warburg Pincus & Company US LLC
 Warburg Pincus & Company US LLC Investment ManagersFinance Warburg Pincus & Company US LLC engages in the provision of investment services. The company is headquartered in New York, NY.
36
| Holding Company | Investment Managers | 36 |
Altus Pharmaceuticals, Inc.
 Altus Pharmaceuticals, Inc. BiotechnologyHealth Technology Altus Pharmaceuticals, Inc. develops therapeutic products for gastrointestinal and metabolic diseases. Its principal activity is protein crystallization which is used to develop therapeutic products for gastrointestinal and metabolic diseases. The company was founded in October 1992 and is headquartered in Waltham, MA.
23
| Extinct | Biotechnology | 23 |
Columbia University Medical Center
21
| College/University | Other Consumer Services | 21 |
Neurogen Corp.
 Neurogen Corp. Pharmaceuticals: MajorHealth Technology Neurogen Corp. operated as a drug discovery and development company. The company was headquartered in Branford, CT.
19
| Extinct | Pharmaceuticals: Major | 19 |
18
| Extinct | Biotechnology | 18 |
| Extinct | Pharmaceuticals: Major | 18 | |
Transkaryotic Therapies, Inc.
 Transkaryotic Therapies, Inc. Miscellaneous Commercial ServicesCommercial Services Transkaryotic Therapies, Inc. (TKT) was a biopharmaceutical company with a major focus on developing products for the treatment of rare diseases. The company is used to markets one product, Replagal™, for the treatment of Fabry disease in the European Union and other countries, and was developing products for Hunter syndrome and Gaucher disease. The company was located in Cambridge, MA.
18
| Extinct | Miscellaneous Commercial Services | 18 |
ARS Subsidiary, Inc.
 ARS Subsidiary, Inc. Pharmaceuticals: MajorHealth Technology ARS Pharmaceuticals, Inc. develops epinephrine nasal sprays for treatment of severe allergic reactions to food, medication, and insect bites. The company was founded by Richard E. Lowenthal, Sarina Tanimoto and Robert Bell and is headquartered in San Diego, CA.
17
| Subsidiary | Pharmaceuticals: Major | 17 |
16
| Extinct | Pharmaceuticals: Major | 16 |
| Public Company | Biotechnology | 16 | |
| Private Company | Pharmaceuticals: Major | 15 | |
14
| Public Company | Biotechnology | 14 |
| Public Company | Pharmaceuticals: Major | 14 | |
Talon Therapeutics, Inc.
 Talon Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Talon Therapeutics, Inc. is a biopharmaceutical company, which is engaged in the developing and commercializing new and differentiated cancer therapies. The firm is developing the Marqibo for the treatment of acute lymphoblastic leukemia and other blood cancers including lymphoma. Its Menadione topical lotion is a compound which is developed for the prevention and treatment of skin toxicity associated with epidermal growth factor receptor inhibitors. The company was founded by Mark J. Ahn in 2002 and is headquartered in San Mateo, CA.
12
| Subsidiary | Pharmaceuticals: Major | 12 |
Friends of Cancer Research
 Friends of Cancer Research Miscellaneous Commercial ServicesCommercial Services Friends of Cancer Research operates an organization focused on healthcare development. The non-profit company is based in Arlington, VA. The company was founded by Ellen V. Sigal.
11
| Non-Profit Organization | Miscellaneous Commercial Services | 11 |
Reagan-udall Foundation
10
| Non-Profit Organization | 10 | |
Jaguar Gene Therapy LLC
 Jaguar Gene Therapy LLC Medical/Nursing ServicesHealth Services Jaguar Gene Therapy LLC is a company that aims to accelerate breakthroughs in gene therapy for patients suffering from severe genetic diseases. The company is based in Lake Forest, IL. The company's unrelenting commitment is to advocate boldly and care fiercely for patients and families. The company works together to confront the challenges of treating complex diseases and are advancing their initial pipeline that targets diseases with significant unmet need in sizeable patient populations. Joseph Nolan has been the CEO of the company since 2020.
10
| Holding Company | Medical/Nursing Services | 10 |
| Public Company | Pharmaceuticals: Major | 8 | |
Spinal Muscular Atrophy Foundation
 Spinal Muscular Atrophy Foundation Miscellaneous Commercial ServicesCommercial Services The Spinal Muscular Atrophy Foundation is a non-profit organization based in New York, NY. The foundation's mission is to accelerate the development of treatments for spinal muscular atrophy (SMA). SMA is a genetic disease that affects the nervous system and causes muscle weakness and atrophy. The foundation provides patient resources and information on the latest updates in research, treatment, and funding for SMA. The non-profit company was founded by Dinakar Singh.
7
| Non-Profit Organization | Miscellaneous Commercial Services | 7 |
Chondrial Therapeutics Holdings LLC
 Chondrial Therapeutics Holdings LLC Miscellaneous Commercial ServicesCommercial Services Chondrial Therapeutics Holdings LLC engages in operation of a biotechnology firm. The company was founded in 2016 and is headquartered in Bala Cynwyd, PA.
6
| Subsidiary | Miscellaneous Commercial Services | 6 |
| Extinct | Biotechnology | 6 | |
Dracen Pharmaceuticals, Inc.
 Dracen Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Dracen Pharmaceuticals, Inc. develops immuno-metabolism drugs. The company was founded by Barbara Slusher, Jonathan D. Powell, Pavel Majer, and Rana Rais and is headquartered in New York, NY.
6
| Holding Company | Pharmaceuticals: Major | 6 |
Adaptive Phage Therapeutics, Inc.
 Adaptive Phage Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Adaptive Phage Therapeutics, Inc. provides therapeutic response to the global rise of multi-drug resistant (MDR) pathogenic bacteria. The company was founded by Gregory L. Merril and Carl R. Merril and is headquartered in Bethesda, MD.
6
| Subsidiary | Miscellaneous Commercial Services | 6 |
Nivalis Therapeutics, Inc.
 Nivalis Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Nivalis Therapeutics, Inc. is a clinical stage pharmaceutical company, which engages in discovery, development, and commercialization of product for patients with cystic fibrosis. Its product includes N91115, a small molecule that addresses a defect in the cystic fibrosis transmembrane conductance regulator. The company was founded in 2008 and is headquartered in Boulder, CO.
5
| Extinct | Pharmaceuticals: Major | 5 |
Chondrial Therapeutics, Inc.
 Chondrial Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Chondrial Therapeutics, Inc. operates as a biotechnology company which focuses on the treatment of rare mitochondrial diseases. Its compound is CTI-1601, which the company is developing as a potential treatment for Friedreich’s Ataxia. The company was founded by Steven R. Plump and Mark R. Payne and is headquartered in Bala Cynwyd, PA.
4
| Subsidiary | Pharmaceuticals: Major | 4 |
GANIC Pharmaceuticals, Inc.
 GANIC Pharmaceuticals, Inc. Drugstore ChainsRetail Trade GANIC Pharmaceuticals develops and markets pharmaceutical products. The firm is focused on building fully-integrated pharmaceuticals enterprise focused on certain specialty areas. The company was founded in 2008 and is headquartered in Bridgewater, NJ.
4
| Extinct | Drugstore Chains | 4 |
| Public Company | Pharmaceuticals: Major | 1 | |
Alita Pharmaceuticals, Inc.
 Alita Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Alita Pharmaceuticals, Inc. develops, manufactures and distributes urologic and female healthcare products. It offers product testing, research and development services. The company was founded by Carole S. Ben-Maimon and Warburg Pincus in September 2006 and is headquartered in Radnor, PA.
1
| Private Company | Pharmaceuticals: Major | 1 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Jonathan Leff via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| The Wharton School of the University of Pennsylvania | College/University | Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin Undergraduate Degree Masters Business Admin | |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA. | College/University | Masters Business Admin Undergraduate Degree Doctorate Degree Corporate Officer/Principal Undergraduate Degree | |
| Harvard Business School | College/University | Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin | |
Onyx Pharmaceuticals, Inc.
 Onyx Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Onyx Pharmaceuticals, Inc. operates as a biopharmaceutical company. It engages in developing innovative therapies that target the molecular mechanisms that cause cancer. The company was founded by Frank McCormick in February 1992 and is headquartered in Thousand Oaks, CA. | Pharmaceuticals: Major | President Chief Operating Officer Chief Tech/Sci/R&D Officer Director/Board Member Chief Operating Officer | |
| AMGEN INC. | Pharmaceuticals: Major | Chief Operating Officer Corporate Officer/Principal Chief Tech/Sci/R&D Officer Corporate Officer/Principal Chief Operating Officer | |
Genentech, Inc.
 Genentech, Inc. BiotechnologyHealth Technology Genentech, Inc. develops, manufactures and markets pharmaceutical products for life-threatening medical conditions. It studies various areas including oncology, immunology, neuroscience, ophthalmic diseases, microbial pathogenesis, metabolic diseases, cardiovascular diseases, and opportunistic areas. The company was founded by Herb W. Boyer and Robert A. Swanson in 1976 and is headquartered in South San Francisco, CA. | Biotechnology | Sales & Marketing General Counsel Chief Tech/Sci/R&D Officer Corporate Officer/Principal | |
| SEAGEN INC. | Pharmaceuticals: Major | Director/Board Member Chief Executive Officer Director/Board Member Chief Tech/Sci/R&D Officer | |
| University of Pennsylvania | College/University | Undergraduate Degree Doctorate Degree Undergraduate Degree Undergraduate Degree | |
Duke University
 Duke University Other Consumer ServicesConsumer Services Duke University is an academic university that offers undergraduate, graduate and professional programs. It also has publications and research services. The university was founded in 1838 and is headquartered in Durham, NC. | College/University | Undergraduate Degree Corporate Officer/Principal Corporate Officer/Principal Undergraduate Degree | |
| PORTOLA PHARMACEUTICALS, INC. | Pharmaceuticals: Major | Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
| Rutgers State University of New Jersey | College/University | Graduate Degree Undergraduate Degree Doctorate Degree Undergraduate Degree | |
| Yale University | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree | |
| NOVARTIS AG | Pharmaceuticals: Major | Corporate Officer/Principal Corporate Officer/Principal Corporate Officer/Principal | |
| New York University | College/University | Graduate Degree Masters Business Admin Undergraduate Degree | |
| REGULUS THERAPEUTICS INC. | Pharmaceuticals: Major | Director/Board Member Chairman Director/Board Member | |
| JAZZ PHARMACEUTICALS PLC | Pharmaceuticals: Major | Director/Board Member President Sales & Marketing | |
| HYPERION THERAPEUTICS INC | Pharmaceuticals: Major | Chairman Sales & Marketing Director/Board Member | |
| EDGEWISE THERAPEUTICS, INC. | Biotechnology | Director of Finance/CFO Founder Director/Board Member | |
| BRISTOL-MYERS SQUIBB COMPANY | Pharmaceuticals: Major | Corporate Officer/Principal Corporate Officer/Principal Sales & Marketing | |
| STRUCTURE THERAPEUTICS INC. | Miscellaneous Commercial Services | Director/Board Member Chairman Director/Board Member | |
The Biotechnology Institute
 The Biotechnology Institute Miscellaneous Commercial ServicesCommercial Services The Biotechnology Institute is a non-profit organization, which engages in designing and managing programs about biotechnology research. Its programs include BioGENEius Challenges, leadership awards, and Adopt-A-School. The company was founded in 1998 and is headquartered in Washington, DC. | Miscellaneous Commercial Services | Director/Board Member Director/Board Member Director/Board Member | |
| TOBIRA THERAPEUTICS INC | Pharmaceuticals: Major | Director/Board Member Chief Executive Officer Chief Executive Officer | |
| MIRATI THERAPEUTICS | Biotechnology | Director/Board Member Director/Board Member Director/Board Member | |
University of Washington
 University of Washington Other Consumer ServicesConsumer Services University of Washington functions as a College/University. The company is headquartered in Seattle, WA. | College/University | Corporate Officer/Principal Corporate Officer/Principal Undergraduate Degree | |
| BIOGEN INC. | Pharmaceuticals: Major | Corporate Officer/Principal Corporate Officer/Principal Chief Tech/Sci/R&D Officer | |
| Stanford University | College/University | Doctorate Degree Corporate Officer/Principal Graduate Degree | |
| ELI LILLY AND COMPANY | Pharmaceuticals: Major | Corporate Officer/Principal Chief Operating Officer Chief Tech/Sci/R&D Officer | |
Schering-Plough Corp.
 Schering-Plough Corp. Pharmaceuticals: MajorHealth Technology Schering Plough Corp. manufactures and sells pharmaceuticals, consumer and animal health care products. The firm discovers, develops, manufactures and markets advanced drug therapies. The company is headquartered in Kenilworth, NJ. | Pharmaceuticals: Major | Corporate Officer/Principal Sales & Marketing | |
| Georgetown University | College/University | Director/Board Member Undergraduate Degree | |
| SYNTHORX, INC. | Biotechnology | Director/Board Member Director/Board Member | |
| Harvard Medical School | College/University | Corporate Officer/Principal Corporate Officer/Principal | |
Novo Nordisk, Inc.
 Novo Nordisk, Inc. BiotechnologyHealth Technology Novo Nordisk, Inc. operates diabetes care company. It offers biopharmaceuticals, chronic weight management, human growth hormone therapy and hemophilla management services. The firm also provides rare bleeding disorders, growth hormone related disorders, and women's health. The company was founded in 1982 and is headquartered in Plainsboro, NJ. | Biotechnology | Corporate Officer/Principal Chief Tech/Sci/R&D Officer | |
Research, Inc.
 Research, Inc. Building ProductsProducer Manufacturing Research, Inc. designs, manufactures and sells heating and associated control systems. Its products include ChamberIR, TestIR, StripIR, SimulateIR, Phaser, PanelIR,. LampIR Quartz, Hi-TempIR, StripIR and CoolIR. The company was founded on September 18, 1951 and is headquartered in Eden Prairie, MN. | Building Products | Corporate Officer/Principal Chief Tech/Sci/R&D Officer | |
University of Minnesota
 University of Minnesota Other Consumer ServicesConsumer Services Digi-Key Corp. distributes electronic components. It also distributes semiconductors, discrete, electromechanical parts. Its products include audio products, batteries, cable assemblies, capacitors, computer & video accessories, connectors, crystals & oscillators, discrete semiconductor products and many more. The company was founded by Ronald A. Stordahl in 1972 and is headquartered in Thief River Falls, MN. | College/University | Doctorate Degree Doctorate Degree | |
| EXELIXIS, INC. | Pharmaceuticals: Major | Corporate Officer/Principal Director/Board Member | |
| ACHILLION PHARMACEUTICALS, INC. | Pharmaceuticals: Major | Director/Board Member Chief Executive Officer | |
| INCYTE CORPORATION | Pharmaceuticals: Major | President Director/Board Member | |
Warburg Pincus LLC
 Warburg Pincus LLC Investment ManagersFinance Warburg Pincus LLC (Warburg Pincus) is a private equity subsidiary of Warburg Pincus & Company US LLC founded in 1966. The firm is headquartered in New York. | Investment Managers | Private Equity Investor Private Equity Investor | |
Millennium Pharmaceuticals, Inc.
 Millennium Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Millennium Pharmaceuticals, Inc. operates as a biopharmaceutical company. Its products include Ninlaro and Velcade. The company was founded in 1993 and is headquartered in Cambridge, MA. | Pharmaceuticals: Major | Corporate Officer/Principal Corporate Officer/Principal | |
Jazz Pharmaceuticals, Inc.
 Jazz Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Jazz Pharmaceuticals, Inc. develops and markets pharmaceutical products. Its medical products include xyrem, erwinaze, vyxeos, and kidrolas. The company was founded by Bruce C. Cozadd in 2003 and is headquartered in Palo Alto, CA. | Pharmaceuticals: Major | Director/Board Member President | |
| NOVO NORDISK A/S | Pharmaceuticals: Major | General Counsel Chief Tech/Sci/R&D Officer | |
| Massachusetts Institute of Technology | College/University | Doctorate Degree Graduate Degree | |
Anadys Pharmaceuticals, Inc.
 Anadys Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Anadys Pharmaceuticals, Inc. develops and manufactures novel small molecule medicines. It engages in developing novel medicines in the areas of hepatitis C and oncology. The firm develops ANA598, a direct-acting antiviral for the treatment of hepatitis C. The company was founded by Stelios B. Papadopoulos and Kleanthis G. Xanthopoulos in 1992 and is headquartered in Little Falls, NJ. | Pharmaceuticals: Major | Chairman Director/Board Member | |
Marcadia Biotech, Inc.
 Marcadia Biotech, Inc. Pharmaceuticals: MajorHealth Technology Marcadia Biotech, Inc. develops therapeutic products for diabetes and obesity. It is a biopharmaceutical company focuses on developing a broad portfolio of drug candidates for treatment of diabetes and obesity. The company was founded in 2005 and is headquartered in Carmel, IN. | Pharmaceuticals: Major | Director/Board Member Director/Board Member |
Statistics
International
| United States | 45 |
| Ireland | 3 |
| Switzerland | 2 |
| United Kingdom | 2 |
| Canada | 2 |
Sectoral
| Health Technology | 32 |
| Consumer Services | 14 |
| Commercial Services | 4 |
| Finance | 3 |
| Producer Manufacturing | 2 |
Operational
| Director/Board Member | 800 |
| Independent Dir/Board Member | 269 |
| Corporate Officer/Principal | 247 |
| Chairman | 201 |
| Chief Executive Officer | 140 |
Most connected contacts
| Insiders | |
|---|---|
| Patrick Heron | 42 |
| Mark McClellan | 41 |
| Peter Thompson | 39 |
| Brenton Saunders | 38 |
| John Maraganore | 37 |
| John Mack | 33 |
| Stephen J. Hoffman | 33 |
| William Ringo | 32 |
| Peter Kolchinsky | 32 |
| David Gill | 32 |
| Russell Greig | 31 |
| Ted Love | 31 |
| Harry Penner | 31 |
| Robert Spiegel | 30 |
| Frank Holler | 29 |
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