![Shawn O'Brien](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>)
Shawn O'Brien
Chairman at
Alto Pharmaceuticals Ltd.
Net worth: 444 777 $ as of 30/05/2026
Profile
Shawn Patrick O'Brien was the founder of AltheRx, Inc., founded in 2010, where the titles held included President, Chief Executive Officer & Director from 2010 to 2013.
Current jobs include Chairman at Alto Pharmaceuticals Ltd. and Non-Executive Chairman at SFA Therapeutics, Inc. Former jobs include President, Chief Executive Officer & Director at Solstice Neurosciences, Inc. from 2004 to 2007; President, Chief Executive Officer & Director at Profectus BioSciences, Inc. from 2008 to 2010; Chief Executive Officer, Director & MD at Mayne Pharma Group Ltd. from 2022 to 2026; Chief Executive Officer & Director at Genomind, Inc.; Director at Crozer-Keystone Health System from 2008 to 2016; Director at Melanovus Oncology, Inc. from 2013 to 2014; Director at Cyrano LLC; Principal at The Upjohn Co.; President at Cipher Pharmaceuticals, Inc. from 2016 to 2017; and Vice President-Commercial Operations at AstraZeneca Pharmaceuticals LP in 2004.
Education includes undergraduate studies at the University of Western Ontario.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 19/02/2026 | 257,573 ( 0.32% ) | 444 777 $ | 30/05/2026 |
Shawn O'Brien active positions
| Companies | Position | Start |
|---|---|---|
Alto Pharmaceuticals Ltd.
 Alto Pharmaceuticals Ltd. Pharmaceuticals: MajorHealth Technology Develops, manufactures and supplies pharmaceutical products | Chairman | - |
SFA Therapeutics, Inc.
 SFA Therapeutics, Inc. Packaged SoftwareTechnology Services Operates as a platform that provides treatment services for chronic diseases | Chairman | - |
Former positions of Shawn O'Brien
| Companies | Position | End |
|---|---|---|
| MAYNE PHARMA GROUP LIMITED | Chief Executive Officer | 19/02/2026 |
| CIPHER PHARMACEUTICALS INC. | Chief Executive Officer | 10/11/2016 |
Crozer-Keystone Health System
 Crozer-Keystone Health System Medical/Nursing ServicesHealth Services Provides healthcare services | Director/Board Member | 31/05/2016 |
Melanovus Oncology, Inc.
 Melanovus Oncology, Inc. Miscellaneous Commercial ServicesCommercial Services Provides laboratory testing services | Director/Board Member | 30/11/2014 |
Altherx, Inc.
 Altherx, Inc. Miscellaneous Commercial ServicesCommercial Services Offers clinical development for overactive bladder and irritable bowel syndrome | Founder | 31/01/2013 |
Training of Shawn O'Brien
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
37
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
The Upjohn Co.
 The Upjohn Co. Pharmaceuticals: MajorHealth Technology Manufacturer of pharmaceuticals | Health Technology |
Cipher Pharmaceuticals, Inc.
 Cipher Pharmaceuticals, Inc. Pharmaceuticals: OtherHealth Technology Provides laboratory testing and medical imaging services | Health Technology |
Solstice Neurosciences, Inc.
 Solstice Neurosciences, Inc. Pharmaceuticals: MajorHealth Technology Develops, manufactures, sells and markets biopharmaceutical products | Health Technology |
University of Western Ontario
 University of Western Ontario Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Crozer-Keystone Health System
Crozer-Keystone Health System Medical/Nursing ServicesHealth Services Provides healthcare services | Health Services |
Profectus BioSciences, Inc.
 Profectus BioSciences, Inc. Pharmaceuticals: MajorHealth Technology Designs and develops preventive and therapeutic vaccines | Health Technology |
AstraZeneca Pharmaceuticals LP
 AstraZeneca Pharmaceuticals LP Pharmaceuticals: MajorHealth Technology Manufactures biopharmaceuticals | Health Technology |
Mayne Pharma Group Ltd.
 Mayne Pharma Group Ltd. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company, which develops and manufactures proprietary and generic products | Health Technology |
Altherx, Inc.
Altherx, Inc. Miscellaneous Commercial ServicesCommercial Services Offers clinical development for overactive bladder and irritable bowel syndrome | Commercial Services |
Genomind, Inc.
 Genomind, Inc. Medical/Nursing ServicesHealth Services Provides molecular diagnostics services | Health Services |
Melanovus Oncology, Inc.
Melanovus Oncology, Inc. Miscellaneous Commercial ServicesCommercial Services Provides laboratory testing services | Commercial Services |
Alto Pharmaceuticals Ltd.
Alto Pharmaceuticals Ltd. Pharmaceuticals: MajorHealth Technology Develops, manufactures and supplies pharmaceutical products | Health Technology |
SFA Therapeutics, Inc.
SFA Therapeutics, Inc. Packaged SoftwareTechnology Services Operates as a platform that provides treatment services for chronic diseases | Technology Services |
Cyrano LLC |
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