Valthos

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Valthos

Valthos

@ValthosTech

Next-generation biodefense

Katılım Eylül 2025
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Valthos
Valthos@ValthosTech·
Valthos builds next-generation biodefense. Of all AI applications, biotechnology has the highest upside and most catastrophic downside. Heroes at the frontlines of biodefense are working every day to protect the world against the worst case. But the pace of biotech is against them: more powerful methods to design biological systems, with near-universal access, open up an increasing surface area of threats. In this new world, the only way forward is to be faster. So we set out to build the tech stack for biodefense. Our team of computational biologists and software engineers applies frontier AI to identify biological threats and update medical countermeasures in real-time. We are backed by $30M from @OpenAI, @Lux_Capital, @foundersfund and others including @Definition_Cap. We are actively hiring engineers to join in the mission - if that sounds like you, get in touch.
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Valthos
Valthos@ValthosTech·
Advancing biological resilience requires partnering with people on the frontlines of both policy and technology. At Valthos, we are thrilled to continue working with OpenAI to shorten the time from threat detection to medical countermeasure response.
Valthos tweet media
OpenAI@OpenAI

@kath_mcmahon and @velvetatom are pushing biological intelligence to new places with @ValthosTech.

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Jason Kwon
Jason Kwon@jasonkwon·
One of the greatest opportunities in AI safety and security is the chance to help support the creation of new industry verticals that help maximize the benefits and minimize the risks. The technology is moving fast. One of the best ways to keep up is with more technology, more research, more startups and more entrepreneurship. An industrial ecosystem of builders, companies and solutions further democratizes AI to provide broad resilience, and ensures the US continues to lead as AI increasingly powers everything around us. As AI and biotech rapidly advance, biodefense is one of those verticals. We couldn’t be more excited to back @ValthosTech @kath_mcmahon and their team of ex-Palantir and ex-Deepmind engineers and operators, and world class computational biologists from the @broadinstitute and @arcinstitute. They are pushing the frontier of protection and defense in one of the most strategic intersections of multiple world-changing technologies, and with the team to do it. Also excited to partner with @foundersfund @Lux_Capital @Definition_Cap on this. Looking forward to more.
Valthos@ValthosTech

Valthos builds next-generation biodefense. Of all AI applications, biotechnology has the highest upside and most catastrophic downside. Heroes at the frontlines of biodefense are working every day to protect the world against the worst case. But the pace of biotech is against them: more powerful methods to design biological systems, with near-universal access, open up an increasing surface area of threats. In this new world, the only way forward is to be faster. So we set out to build the tech stack for biodefense. Our team of computational biologists and software engineers applies frontier AI to identify biological threats and update medical countermeasures in real-time. We are backed by $30M from @OpenAI, @Lux_Capital, @foundersfund and others including @Definition_Cap. We are actively hiring engineers to join in the mission - if that sounds like you, get in touch.

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Tess van Stekelenburg
Tess van Stekelenburg@velvetatom·
Spent three years looking for a team in Biodefense to invest in. But never found one. So we built it ourselves. Valthos builds next-generation biodefense. As AI and biotech rapidly advance, we're approaching near-universal access to tools with the potential to cure humanity or make biological weapons. We have a short period of time to ensure that our capabilities to protect advance faster than the threats we face. At Valthos, we apply frontier methods to identify threats and compress the time from a biological sequence to validated medical countermeasures. Excited to share more with you all soon. Grateful to start Valthos with $30M in backing from @OpenAI @Lux_Capital @foundersfund, and many others incl. @Definition_Cap @topology_vc We are actively hiring - if you know engineers interested in solving this mission, reach out contact@valthos.com.
Valthos@ValthosTech

Valthos builds next-generation biodefense. Of all AI applications, biotechnology has the highest upside and most catastrophic downside. Heroes at the frontlines of biodefense are working every day to protect the world against the worst case. But the pace of biotech is against them: more powerful methods to design biological systems, with near-universal access, open up an increasing surface area of threats. In this new world, the only way forward is to be faster. So we set out to build the tech stack for biodefense. Our team of computational biologists and software engineers applies frontier AI to identify biological threats and update medical countermeasures in real-time. We are backed by $30M from @OpenAI, @Lux_Capital, @foundersfund and others including @Definition_Cap. We are actively hiring engineers to join in the mission - if that sounds like you, get in touch.

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Victor M.
Victor M.@vict_or_mao·
If you work within AI x Bio, if you have pre-/post-training experience for LLMs, if you like distributed infrastructure/deployment, if you appreciate scaling compute and algorithms, or if this just sounds interesting - please reach out! My inbox is wide open. (2/2)
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Joshua Achiam
Joshua Achiam@jachiam0·
Building capacity for biodefense is critical; this is the kind of thing that makes me proud to be at OpenAI.
Jason Kwon@jasonkwon

One of the greatest opportunities in AI safety and security is the chance to help support the creation of new industry verticals that help maximize the benefits and minimize the risks. The technology is moving fast. One of the best ways to keep up is with more technology, more research, more startups and more entrepreneurship. An industrial ecosystem of builders, companies and solutions further democratizes AI to provide broad resilience, and ensures the US continues to lead as AI increasingly powers everything around us. As AI and biotech rapidly advance, biodefense is one of those verticals. We couldn’t be more excited to back @ValthosTech @kath_mcmahon and their team of ex-Palantir and ex-Deepmind engineers and operators, and world class computational biologists from the @broadinstitute and @arcinstitute. They are pushing the frontier of protection and defense in one of the most strategic intersections of multiple world-changing technologies, and with the team to do it. Also excited to partner with @foundersfund @Lux_Capital @Definition_Cap on this. Looking forward to more.

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Kathleen McMahon
Kathleen McMahon@kath_mcmahon·
I’ll be on @tbpn at 4:05 ET / 1:05 PT to chat about @ValthosTech and what we’re building for American biodefense! 🇺🇸🇺🇸
TBPN@tbpn

Gm. On today’s show: – @esaagar (Breaking Points) – @jordanschneider (ChinaTalk) – @ChaseLochmiller (Crusoe) – @TuckerDordevic (Oureon) – @kath_mcmahon (Valthos) – @Dion2730 (NVIDIA) – @burkaygur (Fal) – @glennsolomon (Notable Capital) – @asciidiego (Krea) – @venturetwins (a16z)

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