![Philippe Weigerstorfer](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>)
Philippe Weigerstorfer
Director/Board Member at
SONOMA PHARMACEUTICALS, INC.
Net worth: - $ as of 2026-06-29
Profile
Philippe Weigerstorfer is Chairman at Onycho Pharma Pte Ltd. since 2020 and Independent Director at Sonoma Pharmaceuticals, Inc. since 2018.
Former roles include Executive Chairman at Galencia AB from 2000 to 2016, Managing Director at Vifor Pharma Asia Pacific Pte Ltd. from 2011 to 2017, Head-Corporate Development Division at Corden Pharma Fribourg SA from 1999 to 2011, Head-Corporate Marketing & Dermatology at Novartis AG from 1996 to 1999, Director at Aspreva Pharmaceuticals Corp., Head-Dermatology & Cardiovascular at Sandoz Pharmaceuticals AG.
Education includes undergraduate studies at the University of Basel.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-07-08 | 0 ( -.--% ) | - $ | 2026-06-29 |
Philippe Weigerstorfer active positions
| Companies | Position | Start |
|---|---|---|
| SONOMA PHARMACEUTICALS, INC. | Director/Board Member | 2018-09-18 |
Onycho Pharma Pte Ltd. | Chairman | 2019-12-31 |
Former positions of Philippe Weigerstorfer
| Companies | Position | End |
|---|---|---|
Vifor Pharma Asia Pacific Pte Ltd.
 Vifor Pharma Asia Pacific Pte Ltd. Pharmaceuticals: MajorHealth Technology Manufactures iron, kidney and cardio renal medicines | Chief Executive Officer | 2016-12-31 |
Galencia AB | Chairman | 2015-12-31 |
| VIFOR PHARMA | Corporate Officer/Principal | 2011-06-30 |
| NOVARTIS AG | Corporate Officer/Principal | 1998-12-31 |
Sandoz Pharmaceuticals AG
 Sandoz Pharmaceuticals AG BiotechnologyHealth Technology Develops and produces biopharmaceuticals | Corporate Officer/Principal | - |
Training of Philippe Weigerstorfer
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
23
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Sonoma Pharmaceuticals, Inc.
 Sonoma Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops, manufactures and sells stabilized hypochlorous acid | Health Technology |
Aspreva Pharmaceuticals Corp.
 Aspreva Pharmaceuticals Corp. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Novartis AG
 Novartis AG Pharmaceuticals: MajorHealth Technology Manufactures and markets health care and nutritional products | Health Technology |
Vifor Pharma AG
 Vifor Pharma AG Pharmaceuticals: MajorHealth Technology Develops and markets pharmaceutical products and provides logistical & database services | Health Technology |
University of Basel
 University of Basel Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sandoz Pharmaceuticals AG
Sandoz Pharmaceuticals AG BiotechnologyHealth Technology Develops and produces biopharmaceuticals | Health Technology |
Onycho Pharma Pte Ltd. | |
Vifor Pharma Asia Pacific Pte Ltd.
Vifor Pharma Asia Pacific Pte Ltd. Pharmaceuticals: MajorHealth Technology Manufactures iron, kidney and cardio renal medicines | Health Technology |
Galencia AB |
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