Build -1 → 0
Get on the ground floor with the founding team of a pre-seed or seed-stage startup.
Guanlan Dai (prev Site Lead / Dir of Eng at Kong) just announced a $20M seed for Runta where he’s building an execution layer to control what AI agents can do as they run. He’s hiring technical staff members in SF - apply here!
Nick Warner just raised a $100M seed for cybersecurity AI startup Neo. He’s hiring a Director of Demand Generation; a Director of Motion, Video, & Interactive Storytelling; a Product Marketing Manager; and many more roles. Apply here!
Conversational AI x healthcare startup Prosper AI is hiring a Strategic Partnerships Lead for up to $250K in NYC. You'll operate as a hybrid of strategic operator and relationship-builder, moving fluidly between negotiating a portfolio-wide agreement one day and accelerating an EHR integration the next, with visibility across leadership, sales, product, engineering, and customer teams. Apply here!
Simon Mo recently raised a $150M seed for Inferact with a mission to grow vLLM and accelerate AI progress by making inference cheaper and faster. He’s hiring a Technical Staff Member, CI/CD Infrastructure in SF for up to $400K. Your job will be to advance the CI system so it scales with vLLM’s momentum and unlocks faster development for everyone. Apply here!
Russ Tedrake (prev SVP of Large Behavior Models at Toyota, with a PhD in CS from MIT) just came out of stealth with a $300M seed for Walden Robotics - on a mission to craft a future with general-purpose robots. He’s hiring dozens of roles across the board, including a Senior Product Manager focused on Robot Capabilities. This is a high-impact, high-visibility role that will help define the future for Walden and their customers. Apply here!
Shai Morag (serial founder and prev CPO at Tenable) just came out of stealth with a $60M seed for Oak to build an AI-native identity operating system. He’s hiring a Senior AI Engineer to architect and ship agentic capabilities as production-grade product features, design and build AI agents that operate across Oak's identity graph, evaluate and integrate emerging LLMs, agent frameworks, and agent infrastructure, and more. Apply here!
If you’re building something new and want to be featured in the next newsletter, fill out this form.
We’re taking a vote
If you could have any angel investor on your cap table, who would it be?
Who do you think is most likely to start a massive company, who hasn’t yet started that company?
If you left your company, what company would you join?
The survey is only live for 1 week. On Friday, we’ll publish a summary of the results here on the a16z Build newsletter. But… only people who fill out the survey will get to see all the results for the questions they answered.
Build 0 → 1
Accelerate the growth of a Series A, B, or C startup with early momentum.
Michael MacLennan is hiring an AI Researcher for his restaurant drive-thru intelligence startup, Arc. You’ll push on the modeling and methodology behind voice drive-thru conversations, including taking turns, voice activity detection, speech accuracy, order accuracy, detecting side conversations, and the rigorous experimentation needed to know if a change actually made things better. This is a research role for a product that’s live in real drive-thru lanes today. Apply here!
Jack Oswald (prev SpaceX, Tesla, Stanford, MIT) just came out of stealth with an $80M Series A for defense tech startup Singularity. He’s hiring a VP of Finance to own the entire finance function and report directly to him, as CEO. This is the senior-most finance seat in the company today, built for someone who wants to operate as a true partner to the founder - world-class, deeply integrated across the business, and an enabler of every team rather than a gatekeeper. Apply here!
Insurance AI startup FurtherAI is hiring a Social Media & Content Lead in SF to drive growth across LinkedIn, X, YouTube, and other key channels. You’ll partner directly with the Marketing Lead and founders, taking ownership of the entire social process - from planning and content creation to publishing and community engagement. Apply here!
Prev SpaceX engineers Noah Schochet and Noah McGuinness just announced a $115M raise for TerraFirma - a robotic construction company. They’re hiring a Head of Talent to take full ownership of talent acquisition at TerraFirma. You’ll own recruiting end-to-end, from defining the hiring strategy with leadership to the tactical execution of sourcing, scheduling, and closing candidates. Apply here!
Daniel Ek (prev founder of Spotify) and Hjalmar Nilsonne just raised a $700M Series C for Neko Health to scale their preventive full-body scanning clinics in the US and beyond. They’re hiring a Global Head of Facilities in NYC for up to $396K plus equity to own the full spectrum of how Neko’s spaces function and feel: hard and soft services, security, and health and safety across every market they operate in. You’ll report to the COO, set the global standard, lead a team of Regional Facilities Leaders, and build the systems that make exceptional spaces repeatable as Neko grows. Apply here!
Fluidstack just raised an $830M Series A at a $7.5B valuation (!) to build infrastructure for leading AI labs. They’re hiring hundreds of roles across SF, Austin, and NYC - including a Head of Brand & Content for up to $421K. Apply here!
Jack Dent (prev engineer at Facebook & Stripe, with two CS degrees from Harvard) just raised a $400M Series C for Chai Discovery - where the team is engineering molecules with AI. He’s hiring their first Design Engineer in SF to define how scientists interact with advanced drug design models - then build it. This is a design-and-build role where you’ll own the interaction paradigm end-to-end, from research and low-fi sketches through polished, shipped interfaces in real code. Apply here!
If you’re hiring and want to be featured in the next newsletter, fill out this form.
Build 1 → beyond
Join a growth-stage startup scaling to its next horizon.
Kong is hiring a Senior Social Media Specialist to own Kong’s voice on social. You’ll work with the Director of New Media to set strategy and tone, but you will own the channels and get to run with your own ideas. Apply here!
Cedar is hiring a Director of Commercial Strategy to help strengthen how the team evaluates, prioritizes, and scales product investments across Cedar’s portfolio. This is a high-impact role for someone who enjoys turning ambiguity into clear recommendations, building exec-ready business cases, and helping a company make sharper decisions about where to invest, scale, pause, or deprioritize. Apply here!
Mercury is hiring a Senior Software Engineer - Banking Integration Platform. You’ll play a key role as a technical leader and hands-on engineer in building seamless connections between Mercury and the outside financial world. Apply here!
Carta is hiring a Senior Enterprise Customer Success Manager in NYC. You’ll be on the team that manages Carta’s top private customers, with the most mature cap tables and complex account configurations. You’ll own the success and health of your assigned clients, become a trusted advisor, drive retention and growth, and proactively engage with customers at scale. Apply here!
OpenAI is hiring a Brand Protection Manager in SF for up to $240K to build and operate OpenAI’s global brand protection program. You’ll lead efforts to identify, prioritize, and address misuse of OpenAI’s brands across websites, social media, app stores, marketplaces, ad networks, and other ecosystems. Apply here!
Featured events
Kuba Piwnik (Director of Brand & Comms at EliseAI) is hosting two events - one in Boston (Aug 4) and another in NYC (Aug 5) - for top AEs and sales pros from hypergrowth companies. Come for food, drinks, and a short talk that takes you inside the playbook of the best-performing AEs at fast-growing startups. RSVP if you’re interested - spots are limited!
This newsletter is provided for informational purposes only, and should not be relied upon as legal, business, investment, or tax advice. Furthermore, this content is not investment advice, nor is it intended for use by any investors or prospective investors in any a16z funds. This newsletter may link to other websites or contain other information obtained from third-party sources - a16z has not independently verified nor makes any representations about the current or enduring accuracy of such information. If this content includes third-party advertisements, a16z has not reviewed such advertisements and does not endorse any advertising content or related companies contained therein. Any investments or portfolio companies mentioned, referred to, or described are not representative of all investments in vehicles managed by a16z; visit https://a16z.com/investment-list/ for a full list of investments. Other important information can be found at a16z.com/disclosures. You’re receiving this newsletter since you opted in earlier; if you would like to opt out of future newsletters you may unsubscribe immediately.
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