C

Costanoa Ventures

Early-stage investments in AI and security

National Security / Deep Tech Investor

Full-Time
No salary listed
Mid
San Francisco, CA, USA
In Person
Finance & BankingVenture Capital

About the job

Requirements
  • Defense technology or deep technology operating experience at early-stage or growth-stage companies.
  • Experience in startups, big technology companies, consulting, banking, or early-stage investing.
  • Firsthand understanding of defense end users, procurement, and mission requirements is especially encouraged for veterans.
Responsibilities
  • Source and build founder relationships through outbound efforts, research into emerging areas, and early identification of founders.
  • Lead diligence and market work, including customer calls, expert interviews, market maps, competitive research, financial modeling, and investment memos.
  • Support portfolio companies with hiring, go-to-market activities, and strategy.
  • Build investment theses, host gatherings, improve firm systems, and challenge existing ways of thinking.
  • Work across the firm while concentrating time and attention on national security and deep technology.

About the company

Costanoa Ventures is a venture-capital firm that funds early-stage startups in Applied AI, AI Infrastructure, Cybersecurity, National Security, and Fintech. It invests from formation through Series A, and uses its $2.3 billion in assets under management to support a small number of companies more deeply with hands-on guidance and operational help during the critical early growth phase. Compared with many investors, Costanoa focuses on a narrower set of sectors and takes a boutique approach—making fewer investments so it can provide more expertise and active support when it matters most. The firm’s goal is to help founders build companies that have a lasting impact and scale successfully from the earliest stages.

Company Size

11-50

Company Stage

N/A

Total Funding

$4.3B

Headquarters

Palo Alto, California

Founded

2012

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Simplify Jobs

Simplify's Take

What believers are saying

  • Costanoa led Sela’s September 22, 2026 round after $1B-plus monthly mortgage originations.
  • It led Smack’s $61 million Series B on August 18, 2026.
  • Onos Health raised $17 million with Costanoa backing Aetna deployments and payer expansion.

What critics are saying

  • Early-stage concentration leaves Costanoa exposed when one thesis misses or exits slip.
  • Defense and cybersecurity portfolios depend on slow procurement; Smack and Vannevar need government adoption.
  • Competitive seed funds crowd AI and fintech; missing breakout follow-ons damages ownership.

What makes Costanoa Ventures unique

  • Costanoa leads Seed and Series A, staying boutique by design on July 2026.
  • Its partner network spans applied AI, cybersecurity, national security, fintech, and AI infrastructure.
  • Joe Sullivan joined July 30, 2026, deepening cybersecurity sourcing and judgment.

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Company News

PR Newswire
Sep 22nd, 2026
Sela's AI Agents Help Originate $1B+ in Loans per Month, Company Raises $21M

/PRNewswire/ -- Sela, the market-leading voice AI system for mortgage sales, today announced a total of $21 million in funding across Seed and Series A, led by...

HIT Consultant
Aug 26th, 2026
Onos Health raises $17M to unlock unstructured behavioural health data for US payers

Onos Health, a behavioural health clinical intelligence platform for health plans and payers, has raised $17 million in Series A funding led by Costanoa. CVS Health Ventures and Flare Capital Partners also participated. The company's software uses natural language processing to scan unstructured therapy notes and assessments, helping insurers evaluate whether care aligns with clinical guidelines. More than 70% of behavioural health quality signals are trapped in non-standardised documentation that legacy payer systems cannot interpret. Onos reports a 35% improvement in clinical standard adherence, a 75% increase in clinical review efficiency, and more than 6% reduction in behavioural programme costs within 12 months across major health plan deployments. The platform is currently used by Aetna and three of the nation's six largest health plans. The funding will expand deployment across commercial insurers, Medicare Advantage plans, and Medicaid programmes.

GlobeNewswire
Aug 20th, 2026
Muon Space Closes $250 Million Series C to Scale Space Infrastructure

Muon Space closed a $250M Series C led by Eclipse Capital and joined by Google & Salesforce Ventures to scale constellation production....

PR Newswire
Aug 18th, 2026
/C O R R E C T I O N - Smack Technologies/.

/C O R R E C T I O N - Smack Technologies/. Aug 18, 2026, 08:08 ET In the news release, Smack Raises $61 Million Series B to Bring Intelligent Autonomy to the Tactical Edge, issued 18-Aug-2026 by Smack Technologies over PR Newswire, we are advised by the company that an edit was made. The complete, corrected release follows: Smack Raises $61 Million Series B to Bring Intelligent Autonomy to the Tactical Edge. Smack is scaling the domain-specific AI that allows America's warfighters to achieve Decision Dominance across the Joint Force. AUSTIN, Texas, Aug. 18, 2026 /PRNewswire/ - Smack Technologies, the first frontier AI lab for national security, today announced it has raised a $61 million Series B financing round led by Costanoa Ventures and First In, with participation from Point72 Ventures, Geodesic Capital, Nomi Capital, Felicis, Scribble Ventures, Fortitude Ventures, Bloomberg Beta, and Palumni VC. The round brings Smack's total capital raised to over $90 million as they rapidly expand their Decision Dominance platforms across the Joint Force. The new funding will enable Smack to build the proprietary hardware necessary to deploy Alpha, its tactical AI platform, directly to the edge. While Smack's Omega platform supports strategic planning at the command level, Alpha extends those decision-making capabilities to warfighters operating in comms and compute constrained environments. Unlike commercial LLMs, Smack's AI is purpose-built to reason through the physics, resource constraints, and operational complexity of warfare. Smack will also use the new funding to rapidly increase model scope across domains and warfighting functions, and to recruit top AI research and engineering talent. "The next peer-level conflict won't be won by the side with the most sensors and effectors. It will be won by the side with Decision Dominance, the side that can turn information and capabilities into action the fastest," said Andy Markoff, CEO and co-founder of Smack Technologies. "The DoW needs the entire decision-making process to become more autonomous while still making the correct decisions in an increasingly complex battlespace. Getting this right means putting humans in the process where they are ethically and strategically valuable - and removing humans from the part where they're not." But right now, the defense industry is pursuing autonomy that only targets the platform: how independently a drone can navigate, how many vehicles one operator can control, or whether a swarm can coordinate against a target. These are real engineering problems, but they don't answer the military question that decides a campaign: can a distributed force act coherently toward its objective, while comms degrade in a DDIL environment, resources are running out, and the adversary adapts in real time. Autonomy has to be solved at the level of the campaign, not the platform. This is Intelligent Autonomy: campaign-level decision-making at the speed of the fight, decentralized to the edge. Together, Smack's Omega and Alpha platforms put Intelligent Autonomy in the field. Omega supports campaign-level reasoning at the command level, while Alpha pushes that same reasoning to warfighters and autonomous systems at the tactical edge. The result is an AI reasoning layer across echelons and warfighting functions. This is how Smack delivers Decision Dominance to the Department of War, and how America and her allies will win the next peer-level conflict. "The nature of warfare doesn't change, but its velocity absolutely does. Warfighters today may have better situational awareness, but what they need is decision-making support at machine speed," said Arthur Karell, General Partner at First In. "Smack is leading the production of fight-tonight AI decision-making models, and we couldn't be prouder to support its highly experienced team of operators and researchers as they deploy these advanced models downrange." "You can't simply fine-tune a commercial large language model, call it defense tech and expect to win a peer-level fight," said Greg Sands, Founder & Managing Partner at Costanoa. "That requires both a detailed understanding of sensors and effectors and the hard-earned, tacit knowledge that lives in the heads of people who've made decisions under fire. It also requires the right model for the mission, which is more likely to be small and physics-based than large and language-based. Smack is the first team we've seen build the training environment to capture that expertise and turn it into models that work everywhere the fight happens - from the command center to the tactical edge, including in low-compute, disconnected environments where cloud-dependent systems simply can't operate." About Smack Technologies Smack Technologies is the first frontier AI lab built for national security, delivering Decision Dominance to the Joint Force. Co-founded in 2024 by MARSOC veterans, Smack is building domain-specific AI models for the singular purpose of deterring - or winning if necessary - the next peer-level conflict. The company's products, Omega and Alpha, are designed to cut across decision-making silos within the DoW, enabling campaign planning in minutes and plan updates in seconds across all time horizons for the United States, its allies, and partners. Smack is hiring world-class AI engineers and researchers and continues to build its team of leaders from all branches of the military and defense. Visit https://smacktechnologies.com/careers to join the fight. Correction: The investor list in the first paragraph was updated SOURCE Smack Technologies

WTVB
Aug 17th, 2026
Pentagon pressure to move AI faster drives Smack’s new funding round, CEO says

By Mike Stone WASHINGTON, Aug 17 (Reuters) - Smack Technologies, a defense-technology startup building artificial intelligence decision-making tools for the military, is raising funding to speed production of its flagship product and make wearable AI h...