Nov 18, 2025 · 28m · sourcery
How Marc Andreessen, Ben Horowitz, & David Ulevitch Started a16z’s American Dynamism Fund · Sourcery with Molly O'Shea
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In this episode of Sourcery, host Molly O'Shea speaks with Andreessen Horowitz General Partner David Ulevitch about the origin, growth, and investment thesis behind a16z's $660 million American Dynamism practice. Ulevitch details how shifting geopolitical realities, defense procurement reform, and AI breakthroughs are driving massive venture investment into national security, energy resilience, and critical infrastructure.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Molly holds 17.2% of the talking time here. How this is scored →
speaking balance: gold is Molly, purple is the guest (3 minute bins)
Ulevitch playfully critiques institutions like JP Morgan for deploying massive capital into the space while actively going out of their way to avoid using a16z's coined terminology.
Hardest push from Molly ▶ 21:59 Pressing on late-stage bottleneck risks for LPsO'Shea directly questions whether historical late-stage capital shortages undermine limited partner confidence and exit expectations in hardtech sectors.
Biggest teaching moment ▶ 16:19 Dissecting accounting burdens in federal R&D grantsUlevitch educates the audience on why non-dilutive government R&D grants actually cripple early-stage startups with compliance overhead compared to private venture funding.
Molly holds their own ▶ 23:51 Deploying Carta Series A data to contextualize AI shiftsO'Shea brings specific Carta venture ecosystem data regarding early-stage AI round concentration to ground the macro investment discussion.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Molly as informed peer | Guest teaching | Guest disagreement | Molly pushing back | Why |
|---|---|---|---|---|---|---|
| Welcome & Episode Agenda Overview | 3 | 3 | 1 | 0 | O'Shea sets up the roadmap and asks how Ulevitch built internal consensus for defense tech at a16z. Ulevitch walks through the narrative of splitting the Anduril Series B with Catherine Boyle and launching the practice. | |
| Investment Conviction & Supply-Demand Shifts | 3 | 5 | 1 | 0 | O'Shea queries how a software investor finds venture returns in defense. Ulevitch delivers an extensive breakdown of supply-side technological convergence and post-COVID demand-side government shifts. | |
| Fund Architecture & Building Policy in DC | 3 | 3 | 1 | 0 | O'Shea asks about structural fund design and engaging with Washington regulation. Ulevitch explains establishing dedicated policy apparatus in DC to support portfolio founders. | |
| Sponsor Break: Turing Intelligence AI Solutions | 3 | 5 | 2 | 0 | Following mid-roll ad reads, O'Shea asks how government capital interacts with venture funding. Ulevitch contrasts incumbent cost-plus R&D models with private venture-funded outcome procurement. | |
| Institutional Capital Flow & LP Exit Strategy | 4 | 4 | 1 | 1 | O'Shea asks whether the lack of late-stage liquidity worries institutional LPs. Ulevitch points to accelerating revenue growth and SpaceX as evidence that foundational infrastructure generates premier liquidity. | |
| How AI Transforms Defense, Energy & Public Safety | 4 | 5 | 1 | 0 | O'Shea cites Carta dataset metrics showing AI capturing 41 percent of Series A volume. Ulevitch provides concrete portfolio case studies across energy grids, drone autonomy, FAA routing, and public safety vision systems. |