Biotech pharma

Adventris Pharmaceuticals

Website

Adventris makes cancer vaccines. Our platform solves the problem of targeting poorly immunogenic oncogenes. Our first "off-the-shelf" vaccine targets KRAS, the most common cancer oncogene. In the long run, we envision a world where every adult receives our pan-cancer vaccines annually – preventing the majority of cancer deaths. If you are intere

Founded 2022Origin source ↗Checked 2026-09-15

Overview

Adventris makes cancer vaccines. Our platform solves the problem of targeting poorly immunogenic oncogenes. Our first "off-the-shelf" vaccine targets KRAS, the most common cancer oncogene. In the long run, we envision a world where every adult receives our pan-cancer vaccines annually – preventing the majority of cancer deaths.

If you are interested in learning more about our approach to treat and prevent cancer, please reach out to us at contact@adventris.com

Company description As recorded 2026-11-08

Founders & team

Previously Elimivax

Company history As recorded 2026-11-08

Jen Herbach

Founder

Jen Herbach is the CEO of Adventris Pharmaceuticals. She has more than a decade of biotech industry experience bringing novel oncology drugs to market, across companies including Onyx/Amgen, InterMune/Genentech, Exelixis, and Amunix. She holds an MBA from Harvard Business School and a Masters from the University of Cambridge.

Founder profile As recorded 2026-09-15

William Collis

Founder

William Collis is a serial entrepreneur with multiple exits, most recently the data platform Genji. His research has been published in Harvard Business review and featured as a TED talk with over 1.5M views. He holds an MBA from Harvard Business School where he was named a Baker Scholar. He is lifelong friends with his co-founders Jen Herbach and Mark Yarchoan, since meeting as roommates at Amherst College.

Founder profile As recorded 2026-09-15

Mark Yarchoan

Founder

Mark Yarchoan, M.D, is an Associate Professor of Medical Oncology at Johns Hopkins. Dr. Yarchoan runs an NCI-funded laboratory focused on developing novel immunotherapies, with a focus on cancer vaccines. He has led multiple international clinical trials of immunotherapy agents including neoantigen-targeted cancer vaccines. Dr. Yarchoan has received multiple honors, including the ASCO Young Investigator Award and the ASCO Career Development Award.

Founder profile As recorded 2026-09-15
7team members reported
Source-reported As recorded 2026-09-15

Founded 2022 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedBaltimore, MD, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding year