![John Snisarenko](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>)
John Snisarenko
Chairman at
ZENTEK LTD.
Net worth: 190 180 $ as of 2026-05-30
Profile
John Snisarenko is currently Chairman at Zentek Ltd. starting in 2025 and Independent Director at Cytophage Technologies Ltd. starting in 2024.
Former positions include Director at The Foundation Fighting Blindness, Inc.; Independent Director at Alimera Sciences, Inc. from 2019 to 2024; Vice President-Sales & Marketing at Genentech, Inc. from 2007 to 2017; Vice President & General Manager-Ophthalmology at Novadaq Technologies, Inc. from 1996 to 2007; VP-Sales & Marketing-Ophthalmics Unit at Ciba Vision Corp.; Group Vice President-Ophthalmology Business Unit at Takeda Pharmaceuticals U.S.A., Inc. from 2017 to 2019; Vice President at Novartis Pharmaceuticals Canada, Inc. from 1996 to 2006; Group VP & Head-Ophthalmology Franchise at Novartis Pharmaceuticals Corp.
in 2019; Chief Commercial Officer at Oyster Point Pharma, Inc. from 2019 to 2022; and Vice President & Head-Business Unit at Novartis Ophthalmics, Inc. in 2019.
Education includes undergraduate and MBAistration degrees from McGill University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ZENTEK LTD. 0.3% | 2026-05-26 | 320,000 ( 0.3% ) | 190 080 $ | 2026-05-30 |
| 2025-06-09 | 25,000 ( 0.04% ) | 100 $ | 2026-05-30 |
John Snisarenko active positions
| Companies | Position | Start |
|---|---|---|
| ZENTEK LTD. | Chairman | 2025-09-24 |
| CYTOPHAGE TECHNOLOGIES LTD. | Director/Board Member | 2024-05-22 |
Former positions of John Snisarenko
| Companies | Position | End |
|---|---|---|
| ALIMERA SCIENCES, INC. | Director/Board Member | 2024-09-15 |
| OYSR POIN | Corporate Officer/Principal | 2022-06-30 |
Novartis Ophthalmics, Inc.
 Novartis Ophthalmics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceuticals, eye care and generic drugs | Corporate Officer/Principal | 2019-08-31 |
Novartis Pharmaceuticals Corp.
 Novartis Pharmaceuticals Corp. Pharmaceuticals: MajorHealth Technology Manufactures medicines and provides healthcare solutions | Corporate Officer/Principal | 2019-08-31 |
Takeda Pharmaceuticals U.S.A., Inc.
 Takeda Pharmaceuticals U.S.A., Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceuticals | Corporate Officer/Principal | 2019-05-31 |
Training of John Snisarenko
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
59
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
Genentech, Inc.
 Genentech, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops medicines for cancer peoples | Health Technology |
Alimera Sciences, Inc.
 Alimera Sciences, Inc. BiotechnologyHealth Technology Operates as a biotechnology company which develops, manufactures and commercializes therapeutics for ophthalmology, rheumatology, nephrology, neurology & pulmonology problems | Health Technology |
Novadaq Technologies, Inc.
 Novadaq Technologies, Inc. Medical SpecialtiesHealth Technology Develops and manufactures real-time fluorescence imaging products | Health Technology |
Zentek Ltd.
 Zentek Ltd. Other Metals/MineralsNon-Energy Minerals Engages in exploring mining projects and mineral deposits | Non-Energy Minerals |
Ciba Vision Corp.
 Ciba Vision Corp. Electronic ComponentsElectronic Technology Manufactures eyeglasses, contact lenses and lens care products | Electronic Technology |
McGill University
 McGill University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Novartis Pharmaceuticals Corp.
Novartis Pharmaceuticals Corp. Pharmaceuticals: MajorHealth Technology Manufactures medicines and provides healthcare solutions | Health Technology |
The Foundation Fighting Blindness, Inc.
 The Foundation Fighting Blindness, Inc. Miscellaneous Commercial ServicesCommercial Services Provides preventions, treatments and cures for people affected by retinitis pigmentosa, macular degeneration and usher syndrome | Commercial Services |
Takeda Pharmaceuticals U.S.A., Inc.
Takeda Pharmaceuticals U.S.A., Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceuticals | Health Technology |
Novartis Pharmaceuticals Canada, Inc.
 Novartis Pharmaceuticals Canada, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Novartis Ophthalmics, Inc.
Novartis Ophthalmics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceuticals, eye care and generic drugs | Health Technology |
Oyster Point Pharma, Inc.
 Oyster Point Pharma, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a clinical stage biopharmaceutical company that develops and commercializes pharmaceutical therapies to treat ocular surface diseases | Commercial Services |
Cytophage Technologies Ltd.
 Cytophage Technologies Ltd. Financial ConglomeratesFinance Produces bacteriophages for bacterial infections and diseases | Finance |
- Stock Market
- Insiders
- John Snisarenko
