Radionetics
San Diego, US · Founded 2021 · 49 employees on LinkedIn · 3 known investors
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Radionetics develops small molecule radiopharmaceuticals targeting GPCRs for cancer therapy and diagnosis, using a precision medicine approach that combines radioisotopes with potent, selective ligands. The company is headquartered in San Diego, California, and focuses on theranostic applications in oncology.
Founders & leadership
Radionetics was founded in 2021 by Brett Ewald.


Investors · 3
How we know: 5AM Ventures's portfolio page · funding news · Not right? Tell us
How we know: funding news · Not right? Tell us
How we know: funding news · Not right? Tell us
Founder mafia
3 people who came through Radionetics went on to found or lead other companies.
In the news
Frequently asked questions
- What does Radionetics do?
- Radionetics develops small molecule radiopharmaceuticals targeting GPCRs for cancer therapy and diagnosis, using a precision medicine approach that combines radioisotopes with potent, selective ligands. The company is headquartered in San Diego, California, and focuses on theranostic applications in oncology.
- Who founded Radionetics?
- Radionetics was founded by Brett Ewald in 2021.
- Who are Radionetics's investors?
- Radionetics's investors include 5AM Ventures, Frazier Life Sciences, DCVC Bio.
- Where is Radionetics headquartered?
- Radionetics is headquartered in San Diego, US.





