![John Klock](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 Klock
Founder at
QT Imaging, Inc.
Net worth: 4 M $ as of 2026-06-29
Profile
John C.
Klock was the founder of BioMarin Pharmaceutical, Inc., founded in 1997, where the title held was President.
Dr. Klock is the founder of QT Imaging, Inc., founded in 2011, holding the titles of Chief Executive & Medical Officer, Director.
Dr. Klock is also the founder of Glycomed, Inc...
Dr. Klock is currently Director at QT Imaging Holdings, Inc. since 2024.
Formerly, Dr. Klock was Chief Medical Officer at TechniScan, Inc. Dr. Klock completed undergraduate education at Tulane University (Louisiana).
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
6.98% | 2026-06-15 | 961,255 ( 6.98% ) | 4 M $ | 2026-06-29 |
John Klock active positions
| Companies | Position | Start |
|---|---|---|
QT Imaging, Inc.
 QT Imaging, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in research, development and commercialization of an automated breast imaging system for ultrasound images | Founder | 2010-12-31 |
Former positions of John Klock
| Companies | Position | End |
|---|---|---|
| BIOMARIN PHARMACEUTICAL INC. | Founder | - |
Glycomed, Inc.
 Glycomed, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops pharmaceuticals based on complex carbohydrates | Founder | - |
| TECHNISCAN, INC. | Chief Tech/Sci/R&D Officer | - |
Training of John Klock
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
20
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Glycomed, Inc.
Glycomed, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops pharmaceuticals based on complex carbohydrates | Health Technology |
BioMarin Pharmaceutical, Inc.
 BioMarin Pharmaceutical, Inc. BiotechnologyHealth Technology Discovers, develops and commercializes innovative pharmaceuticals for serious diseases & medical conditions | Health Technology |
QT Imaging, Inc.
QT Imaging, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in research, development and commercialization of an automated breast imaging system for ultrasound images | Commercial Services |
Tulane University (Louisiana)
 Tulane University (Louisiana) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
TechniScan, Inc.
 TechniScan, Inc. Engineering & ConstructionIndustrial Services Develops medical imaging systems | Industrial Services |
- Stock Market
- Insiders
- John Klock
