US Growth Lead

US Growth Lead Location(s): Washington, D.C.; New York City About Twin Prime Twin Prime is an AI lab built for reasoning in the physical world, especially in national security settings. Founded by researchers and engineers from leading frontier model companies and quant funds, we build architectures that reason across complex sensor modalities in real time. We are headquartered in New York City and are currently expanding our footprint in the EU by way of Athens, Greece. The Role We are looking for a US Growth Lead to serve as our primary ambassador and trusted advisor to the United States defense and intelligence communities. In this role, you will leverage your deep networks and operational experience to initiate high-level conversations, shape programmatic requirements, and align our frontier AI capabilities with mission-critical government needs. This is a high-trust, relationship-driven role that requires exceptional credibility within the national security ecosystem. You will partner with executive leadership to hone and execute our existing go-to-market strategy. Operating as the strategic tip of the spear, you will open doors and build the foundational trust required for our sales and capture teams to execute and scale high-value defense contracts. Responsibilities Partner with executive leadership to hone and execute Twin Prime’s US defense go-to-market strategy, identifying and prioritizing high-impact opportunities across the DoW, IC, and broader national security ecosystem. Build and sustain substantive relationships with senior public officials, military leaders, and policy stakeholders (e.g., SASC, NSC, IC) to position Twin Prime as a trusted technology partner. Act as the strategic door-opener: educate mission owners on our capabilities, shape future programmatic requirements, and pave the way for our sales and capture teams to close deals. Translate complex AI capabilities, technical constraints, and cyber risks into practical operational relevance across the technical spectrum of defense leaders. Partner closely with internal engineering, product, and policy teams to ensure our product roadmap continually aligns with the evolving strategic priorities of the national security community. Serve as a voice of the US defense customer internally, anticipating mission requirements and strategic shifts in the defense landscape. Requirements 10+ years of experience operating within the US national security community (e.g., Active Duty Military, National Security Council, Intelligence Community, or Senate Armed Services Committee). Clearability (active TS/SCI preferred). Demonstrated track record of navigating the national security landscape, shaping acquisition and/or operational priorities, and building consensus among senior defense leaders. Exceptional executive presence and the ability to engage credibly with senior public officials and flag officers as a trusted advisor on emerging technology. Deep understanding of how the USG identifies capability gaps and formulates requirements, with the ability to strategically position novel technologies within those frameworks. Comfort operating independently in a fast-paced startup environment. Nice to Haves Previous experience in a senior growth or government affairs role at a high-growth defense technology or frontier AI company. Deep familiarity with the AI evaluation, safety, and regulatory frameworks emerging within the US federal government.