![Gadi Riesenfeld](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>)
Gadi Riesenfeld
Chief Executive Officer at
Timestamp Ltd.
Net worth: - $ as of 2026-05-30
Profile
Gadi Riesenfeld was the founder of Otic Pharma Ltd., founded in 2008, and served as Chairman from 2011 to 2012.
Dr. Riesenfeld is currently Chairman & Chief Executive Officer at Timestamp Ltd. since 2017.
Former jobs include President & Managing Director at Kamapharm Ltd. from 1990 to 1991, Independent Director at NurExone Biologic, Inc. from 2023 to 2026, President & Managing Director at Galisar Ltd. from 1986 to 1988, President & Chief Operating Officer at W World Corp.
from 1992 to 2005, and President at W World Corp.
from 1992 to 2006.
Education includes a doctorate from The Hebrew University of Jerusalem.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-04-18 | 0 ( -.--% ) | - $ | 2026-05-30 |
Gadi Riesenfeld active positions
| Companies | Position | Start |
|---|---|---|
Timestamp Ltd. | Chief Executive Officer | 2016-12-31 |
Former positions of Gadi Riesenfeld
| Companies | Position | End |
|---|---|---|
| NUREXONE BIOLOGIC INC. | Director/Board Member | 2026-01-29 |
Otic Pharma Ltd.
 Otic Pharma Ltd. Pharmaceuticals: MajorHealth Technology Develops and manufactures pharmaceutical products for ear indications | Founder | 2011-12-31 |
| W WORL | President | 2005-12-31 |
| W WORL | President | 2005-10-31 |
Kamapharm Ltd. | Chief Executive Officer | 1991-04-30 |
Training of Gadi Riesenfeld
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
15
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
W World Corp.
 W World Corp. Pharmaceuticals: MajorHealth Technology Develops specialty pharmaceutical products | Health Technology |
The Hebrew University of Jerusalem
 The Hebrew University of Jerusalem Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Otic Pharma Ltd.
Otic Pharma Ltd. Pharmaceuticals: MajorHealth Technology Develops and manufactures pharmaceutical products for ear indications | Health Technology |
Kamapharm Ltd. | |
Galisar Ltd. | |
Timestamp Ltd. | |
NurExone Biologic, Inc.
 NurExone Biologic, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company which develops an off the shelf, non-invasive and revolutionary treatment for the reduction in the harmful results of spinal cord injury | Health Technology |
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