![Jonathan Rothberg](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 Rothberg
Founder at
BUTTERFLY NETWORK, INC.
Net worth: 83 M $ as of 2026-05-30
Profile
Jonathan M.
Rothberg founded CuraGen Corp.
in 1993, where he worked as Chairman & Chief Executive Officer from 1993 to 2004, RainDance Technologies, Inc. in 2004, where he worked as Chairman & Chief Executive Officer from 2004 to 2009, Ion Torrent Systems, Inc. in 2007, where he worked as Chairman, Chief Executive & Technology Officer from 2007 to 2010, and various other companies.
Dr. Rothberg also founded 4C Medical Technologies, Inc., Q-SI Operations, Inc., where he is working as Executive Chairman, 4BIONICS LLC, where he is working as Chairman, and various other companies.
Dr. Rothberg also currently works at Protein Engineering Corp, as Director, Carnegie Mellon University, as Trustee, National Academy of Engineering, as Member, and various other companies.
Dr. Rothberg also formerly worked at Life Sciences, Inc., as Chairman.
Dr. Rothberg received his undergraduate degree from Carnegie Mellon University and graduate degree and doctorate degree from Yale University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-17 | 19,937,500 ( 100% ) | 24 M $ | 2026-05-30 | |
| 2026-03-30 | 15,055,288 ( 100% ) | 23 M $ | 2026-05-30 | |
| 2026-05-17 | 13,706,678 ( 6.93% ) | 16 M $ | 2026-05-30 | |
| 2026-03-31 | 3,526,514 ( 1.5% ) | 16 M $ | 2026-05-30 | |
| 2026-05-21 | 2,007,246 ( 2.38% ) | 3 M $ | 2026-05-30 |
Jonathan Rothberg active positions
| Companies | Position | Start |
|---|---|---|
| BUTTERFLY NETWORK, INC. | Founder | 2011-01-24 |
| QUANTUM-SI INCORPORATED | Founder | 2013-06-23 |
| HYPERFINE, INC. | Founder | 2014-02-24 |
Detect, Inc. /US/
 Detect, Inc. /US/ Medical SpecialtiesHealth Technology Develops medical devices and biotechnology products | Founder | 2018-06-30 |
Protein Evolution Inc
 Protein Evolution Inc Wholesale DistributorsDistribution Services Provides plastic and textile recycling technology services | Founder | 2020-12-31 |
4BIONICS LLC | Founder | - |
Liminal Operations, Inc.
 Liminal Operations, Inc. Medical SpecialtiesHealth Technology Develops medical devices | Founder | 2017-12-31 |
Connecticut Academy of Science & Engineering
 Connecticut Academy of Science & Engineering Miscellaneous Commercial ServicesCommercial Services Provides science and technology information and advisory services | Corporate Officer/Principal | - |
4 Catalyzer Corp.
 4 Catalyzer Corp. Investment ManagersFinance 4 Catalyzer Corporation invests in companies located in the United States. The firm targets companies with operations in the fields of medicine, engineering, and machine learning. It provides financing for pre-seed, seed, and early stage capital requirements. | Founder | 2013-12-31 |
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Former positions of Jonathan Rothberg
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Training of Jonathan Rothberg
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
69
1st degree connections
25
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 25 |
|---|---|
Carnegie Mellon University
 Carnegie Mellon University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
CuraGen Corp.
 CuraGen Corp. Pharmaceuticals: MajorHealth Technology Develops protein, antibody and small molecule pharmaceutical products | Health Technology |
Life Sciences, Inc.
 Life Sciences, Inc. Medical SpecialtiesHealth Technology Manufacures and markets biotechnology products | Health Technology |
RainDance Technologies, Inc.
 RainDance Technologies, Inc. Medical SpecialtiesHealth Technology Develops and commercializes professional laboratory system | Health Technology |
Ion Torrent Systems, Inc.
 Ion Torrent Systems, Inc. SemiconductorsElectronic Technology Develops semiconductor chips for DNA sequencing systems | Electronic Technology |
Yale University
 Yale University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
454 Life Sciences Corp.
 454 Life Sciences Corp. Medical/Nursing ServicesHealth Services Provides medical testing services to determine the nucleotide sequence of whole genomes | Health Services |
ClariFI, Inc.
 ClariFI, Inc. Information Technology ServicesTechnology Services Provides software solutions and services | Technology Services |
National Academy of Engineering
 National Academy of Engineering Miscellaneous Commercial ServicesCommercial Services Operates as a professional membership organization | Commercial Services |
Connecticut Academy of Science & Engineering
Connecticut Academy of Science & Engineering Miscellaneous Commercial ServicesCommercial Services Provides science and technology information and advisory services | Commercial Services |
BFLY Operations, Inc.
 BFLY Operations, Inc. Medical SpecialtiesHealth Technology Develops medical imaging devices | Health Technology |
4 Catalyzer Corp.
4 Catalyzer Corp. Investment ManagersFinance 4 Catalyzer Corporation invests in companies located in the United States. The firm targets companies with operations in the fields of medicine, engineering, and machine learning. It provides financing for pre-seed, seed, and early stage capital requirements. | Finance |
4C Medical Technologies, Inc.
 4C Medical Technologies, Inc. Medical SpecialtiesHealth Technology Manufactures and distributes medical devices and therapies | Health Technology |
Hyperfine Research, Inc.
 Hyperfine Research, Inc. Medical SpecialtiesHealth Technology Manufactures magnetic resonance imaging devices | Health Technology |
Q-SI Operations, Inc.
 Q-SI Operations, Inc. BiotechnologyHealth Technology Develops protein sequencing technologies to decode molecules life | Health Technology |
AI Therapeutics, Inc.
 AI Therapeutics, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biopharmaceutical company | Health Technology |
Detect, Inc. /US/
Detect, Inc. /US/ Medical SpecialtiesHealth Technology Develops medical devices and biotechnology products | Health Technology |
Butterfly Network, Inc.
 Butterfly Network, Inc. Medical SpecialtiesHealth Technology Manufactures and sells medical imaging ultrasound devices | Health Technology |
identifeye HEALTH
 identifeye HEALTH Medical SpecialtiesHealth Technology Develops silicon devices, deep learning and cloud-based data management | Health Technology |
Quantum-Si, Inc.
 Quantum-Si, Inc. Packaged SoftwareTechnology Services Designs and develops single molecule detection platform, hardware and software solutions | Technology Services |
Liminal Operations, Inc.
Liminal Operations, Inc. Medical SpecialtiesHealth Technology Develops medical devices | Health Technology |
4BIONICS LLC | |
Hyperfine, Inc.
 Hyperfine, Inc. Medical SpecialtiesHealth Technology Operates as a medical device development company | Health Technology |
Hyperfine Operations, Inc. | |
Protein Evolution Inc
Protein Evolution Inc Wholesale DistributorsDistribution Services Provides plastic and textile recycling technology services | Distribution Services |
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