Theator
Palo Alto, US · Founded 2018 · Delaware corporation · 49 employees on LinkedIn · 8 known investors
Theator builds an intelligence layer for surgery that turns video from minimally invasive procedures into usable data. The product is aimed at surgical teams in the healthcare sector.
Also known as Theator Inc.
Founders & leadership
Theator was founded in 2018 by Dotan Asslemann, Tamir Wolf, and Dotan Asselmann.
Board

Investors · 8
Also in the syndicate · 3
Reported raises · per SEC filings
Form D private placements$38.2M disclosed across 3 of 4 rounds · 2021–2022
▶$22.7MraisedApr 2022 · 9 investors · Other Health CareRule 506(b)
- Kavi VyasExecutive Officer
- Gigi Levy WeissDirector
- Brad FiedlerDirector
- Dotan AsselmannDirector
- Tamir WolfExecutive Officer, Director
- Offering amount
- $30M
- Amount sold
- $22.7M
- First sale
- Apr 2022
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$58.5KraisedAug 2021 · Other Health CareRule 506(b)
- Dotan AsslemannDirector
- Gigi Levy WeissDirector
- Tamir WolfExecutive Officer, Director
- Offering amount
- $265K
- Amount sold
- $58.5K
- First sale
- Jun 2021
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$15.5MraisedAug 2021 · 10 investors · Other Health CareRule 506(b)
- Gigi Levy WeissDirector
- Dotan AsslemannExecutive Officer, Director
- Brad FiedlerDirector
- Tamir WolfExecutive Officer, Director
- Offering amount
- $15.5M
- Amount sold
- $15.5M
- Minimum investment
- $15K
- First sale
- Jan 2021
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Company profile
researched Aug 2026Theator is a Palo Alto, California-based company developing what it calls Surgical Intelligence: a platform that makes routine video capture and analysis of operations a standard part of surgical care. The platform records surgical video data and applies artificial intelligence and computer vision to automatically analyze each operation, surfacing key information embedded within a procedure in a format intended for use by surgeons and hospital systems.
The stated purpose of the analysis is to help surgeons and health systems identify the causes of variability in patient outcomes and reduce it, while also addressing procedure costs and operating-room efficiency. The company describes work toward real-time surgical decision support. As of July 2022 its surgical video and data library contained more than 30,000 hours of video, with nearly a billion frames analyzed. Theator works with surgeons, hospitals, professional societies and research institutions, and initially focused on minimally invasive procedures before expanding into urology in 2022.
Business model
Theator supplies its Surgical Intelligence Platform to operating rooms, hospitals and healthcare systems, and works with surgical societies and research institutions as partners and collaborators.
Traction
By July 2022 the company reported a surgical video library of over 30,000 hours with nearly a billion frames analyzed, an expansion into urology earlier that year, a collaboration with Mayo Clinic and a partnership with the Canadian Association of General Surgeons.
Latest developments
In July 2022 Theator announced a $24 million extension of its Series A round, led by Insight Partners, bringing the round to $39.5 million and total funding to $42.5 million, with proceeds directed at commercial expansion and rollout of the platform across North America.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Positions itself as the creator of the Surgical Intelligence category; named in December 2021 to CB Insights' Digital Health 150 list of the 150 most innovative digital health startups.
Technology
The platform institutionalizes routine capture of surgical video data and applies AI and computer vision to automatically analyze operations, generating actionable insights on surgical quality, safety and efficiency. The company states it is working toward real-time surgical decision support.
Go-to-market
Commercial rollout of the platform in operating rooms and healthcare systems across North America, supported by collaborations with medical institutions such as Mayo Clinic and partnerships with surgical societies including the Canadian Association of General Surgeons.
Surgeons, hospitals and healthcare systems, together with surgical professional societies and research institutions.
Geography
Headquartered in Palo Alto, California, with commercial expansion focused on North America.
History
Theator announced an initial $15.5 million Series A round in February 2021 and extended that round with an additional $24 million announced in July 2022. Between those rounds it collaborated with Mayo Clinic, partnered with the Canadian Association of General Surgeons and expanded its platform into urology.
Compiled by commissioned research from 4 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Competitors · 2
by search overlapCompanies competing with Theator for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 5
launches, deals, and filingsTheator announced a $24 million extension of its Series A round, led by Insight Partners with participation from Blumberg Capital, Mayo Clinic, NFX, StageOne Ventures, iAngels, Neil Hunt, iCON and Ariel Cohen, bringing the round to $39.5 million and total funding to $42.5 million.
$24M source ↗
Theator reported collaborating with Mayo Clinic following its initial Series A round.
Theator partnered with the Canadian Association of General Surgeons (CAGS).
Theator expanded its platform into urology in 2022, cited as part of its commercial traction.
Theator was named to CB Insights' Digital Health 150 list of the 150 most innovative digital health startups in the world.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structure▸Research sources · 4
primary sources listed
- Theator Extends Series A Funding with Additional $24M for a Total of $39.5Mprnewswire.com · web
4 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Theator do?
- Theator develops a Surgical Intelligence Platform that uses AI and computer vision to capture and analyze surgical video.
- Who founded Theator?
- Theator was founded by Dotan Asslemann, Tamir Wolf, Dotan Asselmann in 2018.
- Who are Theator's investors?
- Theator's investors include Blumberg Capital, Insight Partners, NFX, KdT Ventures, StageOne Ventures.
- How much funding has Theator raised?
- Theator has disclosed $38.2M raised across 3 of its 4 known rounds.
- Where is Theator headquartered?
- Theator is headquartered in Palo Alto, US.





