![Robert Duggan](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>)
Robert Duggan
Chief Executive Officer at
SUMMIT THERAPEUTICS INC.
Net worth: 11 414 M $ as of 2026-05-30
Profile
Robert William Duggan is a businessperson who founded Robert W. Duggan & Associates and who has been the head of 9 different companies. Presently, Mr. Duggan is Chairman for Pulse Biosciences, Inc., Executive Chairman & Chief Executive Officer for Summit Therapeutics, Inc., Executive Chairman & Chief Executive Officer at Summit Therapeutics Ltd. (a subsidiary of Summit Therapeutics, Inc.) and Chief Executive Officer of Duggan Investments Inc. Mr. Duggan is also on the board of University of California Santa Barbara Foundation, Santa Barbara Foundation, MuOx Ltd. and Human Longevity, Inc. In his past career Mr. Duggan was President of Robert W. Duggan & Associates, Chairman & Chief Executive Officer of Pharmacyclics LLC, Chairman & Chief Executive Officer for Computer Motion, Inc., Chairman of Metropolis Media, Inc. and Chairman at Communication Machinery Corp.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SUMMIT THERAPEUTICS INC 74.76% | 2026-06-03 | 580,273,655 ( 74.76% ) | 10 178 M $ | 2026-05-30 |
PULSE BIOSCIENCES, INC. 71.45% | 2026-05-10 | 49,450,345 ( 71.45% ) | 1 236 M $ | 2026-05-30 |
Robert Duggan active positions
| Companies | Position | Start |
|---|---|---|
| PULSE BIOSCIENCES, INC. | Chairman | 2017-11-01 |
| SUMMIT THERAPEUTICS INC. | Chief Executive Officer | 2020-03-31 |
Duggan Investments Inc. | Chief Executive Officer | 2014-12-31 |
Summit Therapeutics Ltd.
 Summit Therapeutics Ltd. Pharmaceuticals: MajorHealth Technology Engages in the discovery, development and commercialization of novel medicines | Chief Executive Officer | 2020-04-13 |
Santa Barbara Foundation
 Santa Barbara Foundation Miscellaneous Commercial ServicesCommercial Services Foundation | Director/Board Member | - |
Human Longevity, Inc.
 Human Longevity, Inc. BiotechnologyHealth Technology Provides genomics and cell therapy-based diagnostic and therapeutic services | Director/Board Member | - |
University of California Santa Barbara Foundation
 University of California Santa Barbara Foundation Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment | Director/Board Member | - |
Discuva Ltd.
 Discuva Ltd. Pharmaceuticals: MajorHealth Technology Develops antibiotics and drug-resistant pathogens | Director/Board Member | 2020-05-26 |
Former positions of Robert Duggan
| Companies | Position | End |
|---|---|---|
MuOx Ltd.
 MuOx Ltd. BiotechnologyHealth Technology Develops utrophin modulators and biological screening equipment | Director/Board Member | 2023-06-05 |
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Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
59
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
AM-CH, Inc.
 AM-CH, Inc. RestaurantsConsumer Services Owns and operates restaurants | Consumer Services |
Pharmacyclics LLC
 Pharmacyclics LLC Pharmaceuticals: MajorHealth Technology Manufactures drugs intended to treat cancer and atherosclerosis | Health Technology |
Computer Motion, Inc.
 Computer Motion, Inc. Medical SpecialtiesHealth Technology Develops and manufactures computer-enhanced robotic surgical systems | Health Technology |
Intuitive Surgical, Inc.
 Intuitive Surgical, Inc. Medical SpecialtiesHealth Technology Designs, manufactures and markets robotic surgical systems | Health Technology |
UNICOM Government, Inc.
 UNICOM Government, Inc. Electronics DistributorsDistribution Services Provides technology solutions and professional services to federal, state and local governments | Distribution Services |
Summit Therapeutics Ltd.
Summit Therapeutics Ltd. Pharmaceuticals: MajorHealth Technology Engages in the discovery, development and commercialization of novel medicines | Health Technology |
Pulse Biosciences, Inc.
 Pulse Biosciences, Inc. Medical SpecialtiesHealth Technology Operates as a bioelectric medicine company which develops medical devices | Health Technology |
Metropolis Media, Inc.
 Metropolis Media, Inc. Publishing: NewspapersConsumer Services Publishes newspapers | Consumer Services |
Communication Machinery Corp.
 Communication Machinery Corp. Packaged SoftwareTechnology Services Develops wireless communications network testing products and equipment | Technology Services |
University of California Santa Barbara Foundation
University of California Santa Barbara Foundation Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment | Miscellaneous |
Robert W. Duggan & Associates
 Robert W. Duggan & Associates Investment ManagersFinance Provides investment advice | Finance |
Santa Barbara Foundation
Santa Barbara Foundation Miscellaneous Commercial ServicesCommercial Services Foundation | Commercial Services |
Discuva Ltd.
Discuva Ltd. Pharmaceuticals: MajorHealth Technology Develops antibiotics and drug-resistant pathogens | Health Technology |
MuOx Ltd.
MuOx Ltd. BiotechnologyHealth Technology Develops utrophin modulators and biological screening equipment | Health Technology |
Human Longevity, Inc.
Human Longevity, Inc. BiotechnologyHealth Technology Provides genomics and cell therapy-based diagnostic and therapeutic services | Health Technology |
Duggan Investments Inc. | |
Summit Therapeutics, Inc.
 Summit Therapeutics, Inc. BiotechnologyHealth Technology Develops biopharmaceutical products | Health Technology |
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