![Richard Stewart](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>)
Richard Stewart
Founder at
ACHIEVE LIFE SCIENCES, INC.
Net worth: 1 M $ as of 2026-05-30
Profile
Richard Alistair Balfour Stewart was the founder of SkyePharma Plc, founded in 1995, where he was Chief Financial & Business Officer from 1995 to 1998.
He was the founder of Amarin Corp.
Plc, founded in 2000, where he was Chief Executive Officer from 2000 to 2007.
He was the founder of Zogenix International Ltd., founded in 2013, where he was Chairman & Chief Executive Officer from 2013 to 2014.
He is the founder of Ricanto Ltd., founded in 2009, where he is a Director since 2009.
He is the founder of Achieve Life Sciences, Inc., founded in 2015, where he is a Director since 2026.
Mr. Stewart is currently Chairman & Chief Executive Officer at Renown Pharmaceuticals Pvt Ltd. since 2016.
Former jobs include Chief Executive Officer at OncoGenex Pharmaceuticals, Inc. from 2017 to 2020, Chairman & Chief Executive Officer at Huxley Pharmaceuticals, Inc. in 2009, Chairman at Achieve Life Science, Inc., and Director at Avicena Group, Inc. Education includes undergraduate studies at the University of Bath.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-19 | 240,116 ( 0.23% ) | 1 M $ | 2026-05-30 |
Richard Stewart active positions
| Companies | Position | Start |
|---|---|---|
| ACHIEVE LIFE SCIENCES, INC. | Founder | 2015-04-30 |
Renown Pharmaceuticals Pvt Ltd.
 Renown Pharmaceuticals Pvt Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Chief Executive Officer | 2015-12-31 |
Ricanto Ltd.
 Ricanto Ltd. Miscellaneous Commercial ServicesCommercial Services Provides management consultancy services | Founder | 2008-12-31 |
Former positions of Richard Stewart
| Companies | Position | End |
|---|---|---|
OncoGenex Pharmaceuticals, Inc.
 OncoGenex Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes therapies that address treatment resistance in cancer patients | Chief Executive Officer | 2020-08-31 |
Zogenix International Ltd.
 Zogenix International Ltd. Pharmaceuticals: MajorHealth Technology Treats a chronic form of epilepsy | Chief Executive Officer | 2013-12-31 |
Huxley Pharmaceuticals, Inc.
 Huxley Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops biochemical products | Chief Executive Officer | 2009-09-30 |
| AMARIN CORPORATION PLC | Chief Executive Officer | 2007-12-18 |
| SKYEPHARMA PLC | Founder | 1997-12-31 |
Training of Richard Stewart
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
40
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
SkyePharma Plc
 SkyePharma Plc Pharmaceuticals: OtherHealth Technology Manufactures and develops oral and inhalation pharmaceutical products | Health Technology |
Amarin Corp. Plc
 Amarin Corp. Plc Pharmaceuticals: MajorHealth Technology Operates as biopharmaceutical company which develops and commercializes therapeutics to improve cardiovascular health | Health Technology |
Avicena Group, Inc.
 Avicena Group, Inc. Pharmaceuticals: MajorHealth Technology Develops pharmaceuticals and skin care products | Health Technology |
University of Bath
 University of Bath Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
OncoGenex Pharmaceuticals, Inc.
OncoGenex Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes therapies that address treatment resistance in cancer patients | Health Technology |
Huxley Pharmaceuticals, Inc.
Huxley Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops biochemical products | Health Technology |
Renown Pharmaceuticals Pvt Ltd.
Renown Pharmaceuticals Pvt Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Zogenix International Ltd.
Zogenix International Ltd. Pharmaceuticals: MajorHealth Technology Treats a chronic form of epilepsy | Health Technology |
Achieve Life Science, Inc.
 Achieve Life Science, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Achieve Life Sciences, Inc.
 Achieve Life Sciences, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes cytisinicline for smoking cessation and nicotine addiction | Health Technology |
Ricanto Ltd.
Ricanto Ltd. Miscellaneous Commercial ServicesCommercial Services Provides management consultancy services | Commercial Services |
- Stock Market
- Insiders
- Richard Stewart
Choose MarketScreener 
