Alpha Tau Medical

Alpha Tau is a clinical-stage oncology company developing a novel alpha-radiation cancer therapy, Alpha DaRT, for solid tumors.

Health Tech & Life Sciences
Active
Mature Jerusalem, Israel Founded 2016
Website ↗
Last updated 2026-08-12
Total raised
$478.9M
Last: B Round 2020-06
Stage
Mature
Founded
2016
Headcount
51
HQ
Jerusalem, Israel
Sector
Health Tech & Life Sciences

About

Alpha Tau Medical is an Israeli medical device company focused on the research, development, and commercialization of its Diffusing Alpha-emitters Radiation Therapy (Alpha DaRT) for treating solid cancers. The technology, developed at Tel Aviv University, delivers a highly potent and conformal radiotherapy treatment using alpha-emitting atoms directly inserted into tumors. Alpha DaRT aims to destroy cancer cells while sparing surrounding healthy tissue, with applications across various cancer indications such as skin, head and neck, pancreatic, lung, prostate, and brain tumors.

Funding history · 7 rounds · $478.9M total

2026-06
PIPE $20.0M
★ Tolmar InternationalTolmar
2025-04
PIPE $36.9M
★ Oramed Pharmaceuticals
2023-08
PIPE Undisclosed
★ Deep Insight
2021-07
PIPE $367.0M
★ Yozma Investment Co.★ Healthcare Capital Corp.OurCrowdAlan PatricofMedison GroupRegah VenturesSir Ronald CohenGrand Decade Developments
2020-06
B Round $26.0M
★ OurCrowd★ Shavit Capital★ Medison Ventures★ Happiness CapitalUpWestAleph VCSignalFireCurtis LEEClark LandryCiti VenturesEvan WilliamsMichael BirchOliver ThylmannBattery VenturesCatapult CapitalHillsven CapitalRecursive VenturesNorwest Venture PartnersTribeca Venture Partners
2018-09
A Round $29.0M
★ Gary Leibler★ Shavit CapitalOurCrowdAleph VCSignalFireOWL CapitalOurCrowd.comAlan PatricofCiti VenturesBlue CollectiveSir Ronald CohenMedison VenturesBattery VenturesCatapult CapitalHillsven CapitalPrimetime PartnersRecursive VenturesNorwest Venture PartnersTribeca Venture PartnersBdmi Bertelsmann Digital Media Investments
2017-06
Seed Undisclosed

Q&A

What is Alpha Tau Medical's primary focus?
Alpha Tau Medical is a clinical-stage oncology company developing Alpha DaRT, a novel alpha-radiation cancer therapy for solid tumors.
When was Alpha Tau Medical founded?
Alpha Tau Medical was founded in January 2016.
Where is Alpha Tau Medical headquartered?
Alpha Tau Medical is headquartered in Jerusalem, Israel.
What is the employee count for Alpha Tau Medical?
Alpha Tau Medical has 51–200 employees.
What was the amount raised in Alpha Tau Medical's B Round in June 2020?
In June 2020, Alpha Tau Medical raised $26,000,000 in a B Round, with participation from.
What was the amount raised in Alpha Tau Medical's Public Offering in April 2023?
In April 2023, Alpha Tau Medical raised $181,100,000 through a Public Offering.
What was the amount raised in Alpha Tau Medical's Public Offering in April 2025?
In April 2025, Alpha Tau Medical raised $36,848,400.02 through a Public Offering.
What recent positive data did Alpha Tau Medical report?
In July 2026, Alpha Tau Medical reported positive data for its Alpha DaRT® therapy in head and neck cancer.
Who are the founders of Alpha Tau Medical?
The founders of Alpha Tau Medical are Prof. Itzhak Kelson, Prof. Yona Keisari, and Uzi Sofer.

Team · 27

Uzi Sofer
Founder · CEO & Chairman
Itzhak Kelson
Founder · Inventor
Yona Keisari
Founder · Chief Scientific Officer & Member of Scientific Advisory board
Robert Den
Chief Medical Officer
Raphi Levy
Chief Financial Officer
Ronen Segal
Chief Technology Officer
Amnon Gat
Chief Operations Officer
David M. Milch
Independent Director
Michael Avruch
Director
Aron Popovtzer
Member of Scientific Advisory Board
Michael J. Zelefsky
Member of Scientific Advisory Board
Alan Adler
Independent Director
Ruth Alon
Independent Director
Stephen M. Hahn
Member of Scientific Advisory Board
Maya Racine-Netser
Independent Director
Nadav Kidron
Director
Uzi Sofer
CEO & Chairman
Nadav Kidron
Director
Maya Netser
Director
Dr. David M. Milch
Director
Ruth Alon
Director
Alan Adler
Director
Morry Blumenfeld
Director
Michael Avruch
Director
Prof. Michael J. Zelefsky
Chief Medical Consultant
Prof. Aron Popovtzer
Medical Consultant
Dr. Stephen Hahn
Medical Consultant

Sectors & technology

Primary sector
Health Tech & Life Sciences
Target customers
Business model
B2B

Tags

medical-deviceoncologycancer-treatmentradiotherapyhealth-tech
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

External links

Websitealphatau.com
Wikidatawikidata.org/wiki/Q140045900

Identifiers & details

Legal nameAlpha Tau Medical Ltd.
Founded2016-1
Employees (exact)51
Wikidata QIDQ140045900

Radar intelligence

Patents

EPO43

Web history (Wayback)

Domainalphatau.com

Wikidata

QIDQ140045900

Certificate / subdomain footprint

Subdomains17

Israeli Companies Registrar (רשם החברות / ICA)

Registrar # (ח.פ.)515344539
Statusפעילה
Corp typeישראלית חברה ציבורית
Incorporated2015-11-23
Purposeלעסוק בכל עיסוק חוקי
Liabilityמוגבלת
In violation (unfiled)no
Last annual report2024
Active charges / liens0
Registry events1 — people (1)
Registered addressקרית מדע 5 ירושלים

Recent registry events

DateEvent
2026-05-03עדכון דירקטורים-הוספת דירקטור