Last updated 2026-07-20
Total raised
—
Stage
Pre-Funding
Founded
2022
Headcount
7
HQ
Rishon Le-Zion, Israel
Sector
Health Tech & Life Sciences
Website ↗Registrar ID: 516721669 (VIVAC PHARMA LTD)
About
ViVac is an early-stage biotechnology company pioneering synthetic biology and lipid nanoparticle engineering to develop RNA-based immunotherapies that safely eradicate cancer from within. Built from two world-leading labs at the Hebrew University of Jerusalem, ViVac's platform reprograms RNA to behave like a virus — activating localized immune responses without viral replication. The company is developing RNA-based immunotherapies that safely eradicate cancer from within, with a preclinical oncology pipeline that includes programs in liver, ovarian and other solid tumors.
Headcount over time
7 employees (2026-09) · 1 point
Offices
Rishon Le-Zion, Israel · HQ / main office
Q&A
- What is ViVac's primary focus?
- ViVac is developing a nucleic acid-based vaccine platform designed to immunize against all viral proteins by mimicking actual viral infections, aiming for more robust and long-lasting immunity than traditional vaccines.
- When was ViVac founded?
- ViVac was founded in January 2023.
- Where is ViVac headquartered?
- ViVac is headquartered in Tel Aviv-Yafo, Israel.
- Who are the founders of ViVac?
- ViVac was founded by Michael Vaknin (CEO), Lior Nissim (Co-founder CSO), and Chezy Barenholtz (CTO).
- In which sector does ViVac primarily operate?
- ViVac operates primarily in the Health Tech & Life Sciences sector, with a focus on Pharma & Medical Biotechnology and Drug Delivery.
- What is ViVac's current funding stage?
- ViVac is currently in the Pre-Funding stage.
Team · 7
Lior Nissim
Founder · CSO & Co-Founder
Michael Vaknin
Founder · Co-Founder
Keren Leshem
CEO
Ron Lahav
CTO
Chezy Barenholtz
Board Member
Jean de Gunzburg
Investor
Tuomas Tenkanen
Investor
Sectors & technology
Primary sector
Health Tech & Life Sciences
Sub-sectors
Health Tech & Life SciencesPharma & Medical BiotechnologyDrug Delivery
Technologies
BiologicalsGenes
Target customers
Healthcare & Life SciencesLife SciencesPharmaceuticals
Business model
B2B
Highlights
1 PatentsVerified
Tags
drug-deliveryvaccines-developmentvaccinespharmaceuticalsimmunology
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | content.celero.io/s/0d316a30/vivac-non-confidential-jan-23/ |
|---|
Identifiers & details
| Legal name | VIVAC PHARMA LTD |
|---|---|
| Founded | 2022-12 |
| Employees (exact) | 7 |
Radar intelligence
Web history (Wayback)
| Domain | content.celero.io |
|---|
Certificate / subdomain footprint
| Subdomains | 1 |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 516721669 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 2022-12-14 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | no |
| Last annual report | 2025 |
| Active charges / liens | 0 |
| Registry events | 4 — people (3), shares_capital (1) |
| Registered address | שד נים 2 ראשון לציון |
Recent registry events
| Date | Event |
|---|---|
| 2026-06-23 | עדכון בעלי תפקידים |
| 2025-10-21 | עדכון דירקטורים-הוספת דירקטור |
| 2025-09-07 | עדכון דירקטורים-הסרת דירקטור |
| 2026-07-07 | העברת מניות |